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You searched for: Subject beans Remove constraint Subject: beans Subject term canopy Remove constraint Subject term: canopy
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1. The Bean YEN: Understanding bean yield variation on UK farms

Author:
Charlotte White; Thomas Wilkinson; Daniel Kindred; Steve Belcher; Becky Howard; Roger Vickers; Roger Sylvester‐Bradley
Source:
Annals of applied biology 2022 v.181 no.2 pp. 137-151
ISSN:
0003-4746
Subject:
Vicia faba; agronomy; beans; biomass; canopy; data collection; harvest index; ideotypes; industry; nitrogen; nutrient content; plant height; seed quality; seed weight; soil; spring; straw; weather; winter; British Isles
Abstract:
... Field beans (Vicia faba L.) are the most extensively grown grain legume in the UK but their contribution to farming and food systems could be improved if their yields were enhanced. Average on‐farm bean yields have varied between 3 and 4 t ha⁻¹ for four decades but with much variation between individual crops. A “Bean Yield Enhancement Network” (Bean YEN) was initiated in 2019, supported by indust ...
DOI:
10.1111/aab.12768

2. First Report of Curvularia intermedia Causing Leaf Blight Disease on Microstegium vimineum in China

Author:
Min Tan; Yanxia Fang; Yun Wu; Richard C. Reardon; Sheng Qiang
Source:
Plant disease 2022 v.106 no.9 pp. 2526
ISSN:
0191-2917
Subject:
Bayesian theory; Curvularia; Cynodon; Echinochloa crus-galli; Eleusine indica; Imperata cylindrica; Japan; Leptochloa chinensis; Microstegium vimineum; agricultural land; arid lands; barley; beans; biological control agents; canopy; conidia; conidiophores; corn; cotton; culture media; defoliation; disease incidence; ethanol; foliar diseases; forests; glyceraldehyde-3-phosphate dehydrogenase; grasses; greenhouses; host range; internal transcribed spacers; leaf blight; leaves; mycelium; oats; pathogenicity; pathogens; peptide elongation factors; phylogeny; polyethylene; rapeseed; rice; roadsides; shade tolerance; statistical analysis; tea; tobacco; weeds; wheat; China; India; Korean Peninsula; Nepal; Pakistan; Yangtze River
Abstract:
... Stiltgrass (Microstegium vimineum [Trin.] A. Camus) is an annual C₄ grass of Asian origin whose native range includes India, Pakistan, Nepal, China, Korea, and Japan (Cole et al. 2004). In China, it is mainly distributed south of the Yangtze River, and is an important weed in autumn-maturing dryland crops, orchards, tea gardens, and plantations. With its high shade tolerance, it also invades fores ...
DOI:
10.1094/PDIS-10-21-2289-PDN

3. Identification of vegetation under natural gas leakage by spectral index based on feature selection

Author:
Yingyang Pan; Jinbao Jiang; Ziwei Liu; Ying Du; Kangni Xiong
Source:
International journal of remote sensing 2022 v.43 no.8 pp. 3082-3105
ISSN:
1366-5901
Subject:
algorithms; beans; canopy; grasses; natural gas; reflectance; soil; vegetation; wheat
Abstract:
... The leakage of natural gas storage has a significant impact on economy, personal safety and natural environment. When the leakage is slight, the effect of direct detection is not ideal. Hyperspectral remote sensing can detect it indirectly through the spectral changes of surface vegetation. In this study, wheat, bean and grass were used as surface experimental objects to analyse the variation char ...
DOI:
10.1080/01431161.2022.2085068

4. Application of Remote Sensing Techniques to Discriminate the Effect of Different Soil Management Treatments over Rainfed Vineyards in Chianti Terroir

Author:
Àngela Puig-Sirera; Daniele Antichi; Dylan Warren Raffa; Giovanni Rallo
Source:
Remote Sensing 2021 v.13 no.4 pp. -
ISSN:
2072-4292
Subject:
Hordeum vulgare; Trifolium; Vicia faba; barley; beans; canopy; chlorophyll; computer software; conventional tillage; cover crops; ecophysiology; frequency distribution; gravel; leaf area index; limestone soils; mulches; normalized difference vegetation index; pigeons; residual effects; spring; surface temperature; unmanned aerial vehicles; vegetation; vigor; vines; water potential; water stress; Italy
Abstract:
... The work aimed to discriminate among different soil management treatments in terms of beneficial effects by high-resolution thermal and spectral vegetation imagery using an unmanned aerial vehicle and open-source GIS software. Five soil management treatments were applied in two organic vineyards (cv. Sangiovese) from Chianti Classico terroir (Tuscany, Italy) during two experimental years. The trea ...
DOI:
10.3390/rs13040716

5. Bean–soybean succession under full sun and in agroforestry systems: Impacts on radiation use efficiency, growth and yield

Author:
Jaqueline Sgarbossa; Elvis Felipe Elli; Felipe Schwerz; Claiton Nardini; Fábio Miguel Knapp; Denise Schmidt; Alessandro Dal’Col Lúcio; Braulio Otomar Caron
Source:
Journal of agronomy and crop science 2021 v.207 no.2 pp. 362-377
ISSN:
0931-2250
Subject:
agroforestry; agronomy; beans; canopy; forests; leaf area; leaf mass; microclimate; net assimilation rate; plant communities; radiation use efficiency; solar radiation; soybeans; specific leaf area; trees; understory; Brazil
Abstract:
... Simultaneous cultivation of agricultural and forest species may result in changes in plant community interactions, generating microclimatic changes within the understory and then modifying growth and yield characteristics of the intercropping systems. Thus, this study aimed to assess the radiation use efficiency, growth and yield of bean and soybean cultivated in succession under two arrangements ...
DOI:
10.1111/jac.12450

6. Humidity restriction, high night temperature and their combination, during post flowering on common bean (Phaseolus vulgaris L.) canopy and pod senescence

Author:
M.I. Cayetano-Marcial; C.B. Pena-Valdivia; A. Garcia Esteva; J.C. Jimenez Galindo; I.G. Galvan Escobedo; D. Padilla Chacon
Source:
Legume research 2021 v.44 no.6 pp. 634-640
ISSN:
0976-0571
Subject:
Phaseolus vulgaris; beans; canopy; color; cultivars; drought; field capacity; heat stress; humidity; night temperature; phenotype; research
Abstract:
... Common bean (Phaseolus vulgaris L.) grain filling is vulnerable to drought and heat stress. The objective of the study was to evaluate the effect of humidity restriction, high night temperatures and their combination in common bean. The plants were grown in pots at maximum field capacity (100% FC) until the grain filling began. Afterwards, maintained until harvest at: 1) 100% FC, 2) 50% FC at ambi ...
DOI:
10.18805/LR-592

7. Impact of Foliar Application of Zinc and Magnesium Aminochelate on Bean Physiology and Productivity in Ghana

Author:
Stephen Yeboah; James Asibuo; Patricia Oteng-Darko; Emmanuel Asamoah Adjei; Maxwell Lamptey; Eric Owusu Danquah; Boaz Waswa; Louis Butare
Source:
International journal of agronomy 2021 v.2021 pp. -
ISSN:
1687-8167
Subject:
Phaseolus vulgaris; agronomy; beans; biomass; canopy; chlorophyll; edaphic factors; experimental design; fertilizer application; fertilizers; foliar application; forests; human health; magnesium; nutrient availability; plant height; seed quality; seed yield; stomatal conductance; tropical soils; zinc; Ghana
Abstract:
... Foliar application of fertilizers can guarantee nutrient availability to beans, leading to higher yield and seed quality. Different approaches including glycine have been used to improve mineral nutrient status of plants toward safer products and improved human health. However, limited research has been undertaken to understand the response of beans to amino Zn and Mg foliar fertilizer application ...
DOI:
10.1155/2021/9766709

8. Integrating root architecture and physiological approaches for improving drought tolerance in common bean (Phaseolus vulgaris L.)

Author:
P. A. Sofi; Khalid Rehman; Musharib Gull; J. Kumari; M. Djanaguiraman; P. V. V. Prasad
Source:
Plant Physiology Reports 2021 v.26 no.1 pp. 4-22
ISSN:
2662-253X
Subject:
Phaseolus vulgaris; beans; canopy; drought; drought tolerance; heritability; leaves; microbiome; plant response; reproductive success; stress response; temperature; transpiration; water stress
Abstract:
... Grain legumes including common bean are mostly grown in rainfed production systems and invariably suffer from water stress at critical growth stages leading to significant yield reductions. Drought is one of the most importantstress limiting common bean productivity. The yield has been the primary breeding objective and has been improved by either targeting yield per se as well as yield components ...
DOI:
10.1007/s40502-021-00570-8

9. Leaf gas exchange and bean quality fluctuations over the whole canopy vertical profile of Arabic coffee cultivated under elevated CO2

Author:
Miroslava Rakocevic; Eunice R. Batista; Ricardo A. A. Pazianotto; Maria B. S. Scholz; Guilherme A. R. Souza; Eliemar Campostrini; José C. Ramalho
Source:
Functional plant biology 2021 v.48 no.5 pp. 469-482
ISSN:
1445-4408
Subject:
Coffea arabica; acclimation; beans; caffeine; canopy; cell respiration; chlorogenic acid; coffee beans; face; free air carbon dioxide enrichment; gas exchange; leaves; microclimate; photosynthesis; soil water; stomatal conductance; sugars; temperature; water shortages; water use efficiency
Abstract:
... Leaves in different positions respond differently to dynamic fluctuations in light availability, temperature and to multiple environmental stresses. The current hypothesis states that elevated atmospheric CO2 (e[CO2]) can compensate for the negative effects of water scarcity regarding leaf gas exchanges and coffee bean quality traits over the canopy vertical profile, in interactions with light and ...
DOI:
10.1071/FP20298

10. An Analysis of Soil Coring Strategies to Estimate Root Depth in Maize (Zea mays) and Common Bean (Phaseolus vulgaris)

Author:
James D. Burridge; Christopher K. Black; Eric A. Nord; Johannes A. Postma; Jagdeep S. Sidhu; Larry M. York; Jonathan P. Lynch
Source:
Plant phenomics 2020 v.2020 pp. -
ISSN:
2643-6515
Subject:
Phaseolus vulgaris; Zea mays; beans; canopy; computer simulation; corn; discriminant analysis; models; phenomics; root systems; soil; t-test
Abstract:
... A soil coring protocol was developed to cooptimize the estimation of root length distribution (RLD) by depth and detection of functionally important variation in root system architecture (RSA) of maize and bean. The functional-structural model OpenSimRoot was used to perform in silico soil coring at six locations on three different maize and bean RSA phenotypes. Results were compared to two season ...
DOI:
10.34133/2020/3252703

11. Assessment of Leaf Area Index Models Using Harmonized Landsat and Sentinel-2 Surface Reflectance Data over a Semi-Arid Irrigated Landscape

Author:
Roya Mourad; Hadi Jaafar; Martha Anderson; Feng Gao
Source:
Remote Sensing 2020 v.12 no.19 pp. -
ISSN:
2072-4292
Subject:
Brassica oleracea; Cannabis sativa; Daucus carota subsp. sativus; Landsat; Mentha; Phaseolus vulgaris; Solanum tuberosum; aboveground biomass; accuracy; algorithms; beans; cabbage; canopy; carrots; corn; exhibitions; growing season; height; irrigation; landscapes; leaf area index; mint; models; potatoes; reflectance; regression analysis; remote sensing; rowcrops; tobacco; wheat; Lebanon
Abstract:
... Leaf area index (LAI) is an essential indicator of crop development and growth. For many agricultural applications, satellite-based LAI estimates at the farm-level often require near-daily imagery at medium to high spatial resolution. The combination of data from different ongoing satellite missions, Sentinel 2 (ESA) and Landsat 8 (NASA), provides this opportunity. In this study, we evaluated the ...
DOI:
10.3390/rs12193121

12. Circadian Regulation Does Not Optimize Stomatal Behaviour

Author:
Víctor Resco de Dios; William R.L. Anderegg; Ximeng Li; David T. Tissue; Michael Bahn; Damien Landais; Alexandru Milcu; Yinan Yao; Rachael H. Nolan; Jacques Roy; Arthur Gessler
Source:
Plants 2020 v.9 no.9 pp. -
ISSN:
2223-7747
Subject:
Gossypium hirsutum; Phaseolus vulgaris; beans; canopy; circadian clocks; circadian rhythm; cotton; diurnal variation; environmental factors; metabolism; models; photosynthetically active radiation; risk; stomata; stomatal conductance; stomatal movement; temperature; vapor pressure deficit; water use efficiency
Abstract:
... The circadian clock is a molecular timer of metabolism that affects the diurnal pattern of stomatal conductance (gₛ), amongst other processes, in a broad array of plant species. The function of circadian gₛ regulation remains unknown and here, we test whether circadian regulation helps to optimize diurnal variations in stomatal conductance. We subjected bean (Phaseolus vulgaris) and cotton (Gossyp ...
DOI:
10.3390/plants9091091

13. Productivity of intercropping with maize and common bean over five cropping seasons on smallholder farms of Tanzania

Author:
Eliakira Kisetu Nassary; Frederick Baijukya; Patrick Alois Ndakidemi
Source:
European journal of agronomy 2020 v.113 pp. 125964
ISSN:
1161-0301
Subject:
Phaseolus vulgaris; Zea mays; agronomy; altitude; beans; biomass; canopy; corn; grain yield; hybrids; intercropping; leaves; vegetation cover; Tanzania
Abstract:
... Intercropping with maize (Zea mays L.) and common bean (Phaseolus vulgaris L.) is one of the widely used practices of producing food crops on smallholder farms in Sub-Saharan Africa (SSA). However, the knowledge on the options toward intensification of available practices in order to optimize systems productivity using intercrops is generally lacking. Therefore, this study evaluated the effects of ...
DOI:
10.1016/j.eja.2019.125964

14. Spectral responses and identification of surface vegetation stressed by natural gas leakage

Author:
Weiwei Ran; Jinbao Jiang; Yingyang Pan; Deshuai Yuan
Source:
International journal of remote sensing 2020 v.41 no.1 pp. 132-151
ISSN:
1366-5901
Subject:
analysis of variance; beans; canopy; corn; environmental impact; field experimentation; grasses; monitoring; natural gas; phenology; remote sensing; vegetation
Abstract:
... The leakage of natural gas from underground storages can cause economic, safety, and ecological problems. However, when the leakage is slight, the gas concentration in surface atmosphere cannot reach the threshold for direct monitoring. Hyperspectral remote sensing can indirectly detect it through the spectral changes of vegetation in the leak area. A field experiment was performed, which took bea ...
DOI:
10.1080/01431161.2019.1637960

15. Influence of plant density and growth habit of common bean on leaf area development and N accumulation

Author:
José A. Clavijo Michelangeli; Jaumer Ricaurte; Thomas R. Sinclair; Idupulapati M. Rao; Stephen E. Beebe
Source:
Journal of crop improvement 2019 v.33 no.5 pp. 620-632
ISSN:
1542-7536
Subject:
Phaseolus vulgaris; altitude; beans; canopy; crop yield; growth habit; latitude; leaf area; leaves; nitrogen; photosynthesis; plant density; solar radiation; temperature
Abstract:
... Crop yield requires leaf area to intercept solar radiation and to undertake photosynthesis, both of which depend on nitrogen (N) accumulation. Further, the amount of accumulated plant N at the beginning of seed fill serves as the reservoir for N required in synthesizing the proteins in developing seeds. For common bean (Phaseolus vulgaris L.), resolution of the basic characteristics limiting produ ...
DOI:
10.1080/15427528.2019.1644694

16. Responses of two common bean (Phaseolus vulgaris L.) genotypes to deficit irrigation

Author:
Hedayatollah Karimzadeh Soureshjani; Ahmad Nezami; Mohammad Kafi; Mahmoudreza Tadayon
Source:
Agricultural water management 2019 v.213 pp. 270-279
ISSN:
0378-3774
Subject:
Phaseolus vulgaris; antioxidants; beans; biochemistry; canopy; chlorophyll; crops; deficit irrigation; genotype; leaf area index; leaves; lipid peroxidation; phenology; photosynthetically active radiation; radiation use efficiency; seed yield; semiarid zones; stomatal conductance; temperature; water content; water resources; water stress; water use efficiency; Iran
Abstract:
... About 90% of Iran extends over arid and semi-arid areas where drought stress is inevitably suffered by crops such as common bean. Due to limitations in water resources and importance of common bean in Iran, it is essential to evaluate common bean under water-deficit condition. The objective of this study was to determine effects of deficit irrigation on the yield, physiology and biochemistry of tw ...
DOI:
10.1016/j.agwat.2018.09.038

17. Agronomical, phenological and physiological performance of common bean lines in the Amazon region of Colombia

Author:
Juan Carlos Suárez Salazar; José A. Polanía; Amara Tatiana Contreras Bastidas; Leonardo Rodríguez Suárez; Steve Beebe; Idupulapati M. Rao
Source:
Theoretical and Experimental Plant Physiology 2018 v.30 no.4 pp. 303-320
ISSN:
2197-0025
Subject:
Phaseolus vulgaris; acid soils; aluminum; beans; biomass; canopy; dry matter partitioning; early development; farmers; genotype; grain yield; grains; phenology; photosynthesis; pods; pollen; seeds; temperature; toxicity; tropics; viability; Amazonia; Colombia; Latin America; Southern Africa
Abstract:
... The common bean (Phaseolus vulgaris L.) is a major food legume cultivated by smallholder farmers in the tropics of Latin America and eastern and southern Africa. Acid soil and high temperature limit its production. Here we quantify differences in agronomical, phenological and physiological performance of common bean lines in order to identify promising lines with adaptation to acid soils and high ...
DOI:
10.1007/s40626-018-0125-2

18. Erosion Control in the Sustainable Cultivation of Maize (Zea mays L.) and Beans (Phaseolus vulgaris L.) at Two Stages of the Agricultural Cycle in Southern Guatemala

Author:
Rafael Blanco Sepúlveda; Francisco Enríquez Narváez
Source:
Sustainability 2018 v.10 no.12 pp. -
ISSN:
2071-1050
Subject:
Phaseolus vulgaris; Zea mays; beans; canopy; corn; crop production; erosion control; intensive farming; mountains; plant litter; soil erosion; sowing; surface area; sustainable agriculture; tillage; weeds; Guatemala
Abstract:
... Agricultural intensification in the mountains of Central America has increased soil vulnerability to erosion by water. This study was undertaken to analyse the erosion that affects the mixed cultivation of maize and beans at two stages of the crop development cycle (at 3 and 6 months after sowing) in southern Guatemala, together with the influence of the ground and crop canopy vegetal cover on soi ...
DOI:
10.3390/su10124654

19. Influence of potassium humate on biochemical and agronomic attributes of bean plants grown on saline soil

Author:
Sahar S. Taha; Ashraf Sh. Osman
Source:
Journal of horticultural science & biotechnology 2018 v.93 no.5 pp. 545-554
ISSN:
2380-4084
Subject:
2,2-diphenyl-1-picrylhydrazyl; Phaseolus vulgaris; anthocyanins; antioxidant activity; beans; biotechnology; canopy; carotenoids; chemical composition; chlorophyll; crop yield; cultivars; electrical conductivity; field experimentation; horticulture; leaf area; leaves; membrane permeability; nitrogen; phosphorus; plant height; potassium; proline; saline soils; salinity; salt stress; sodium; soil treatment
Abstract:
... To study the effect of soil application of potassium humate (KH) (0, 70 and 140 Kg ha⁻¹) on agronomic, biochemical attributes, and yield and its components on bean (Phaseolus vulgaris L.) cultivars ‘Bronco’ grown under two sites having different level of salinity (EC = 3.00 or 5.00 ± 0.20 dS m⁻¹). Two field trials were conducted at the Agriculture Test Station, Faculty of Agriculture, Fayoum Unive ...
DOI:
10.1080/14620316.2017.1416960

20. Resurgence of specialized shade coffee cultivation: Effects on pollination services and quality of coffee production

Author:
Sara Guiti Prado; Jaime A. Collazo; Rebecca E. Irwin
Source:
Agriculture, ecosystems & environment 2018 v.265 pp. 567-575
ISSN:
0167-8809
Subject:
Coffea arabica; Coffea canephora; beans; beverages; branches; canopy; crop production; ecosystem services; flowers; fruit set; fruits; nitrogen; open pollination; plantations; pollen; seed predation; shade; trees; Puerto Rico
Abstract:
... Since the early 2000s, there has been a resurgence in shade coffee production on the island of Puerto Rico. The newly restored specialized shade canopy consists of four native tree species, three of which are nitrogen fixers, and is intended to provide 30% shade cover once the trees are matured. Though much is known about the benefits of rustic and traditional shade plantations to coffee productio ...
DOI:
10.1016/j.agee.2018.07.002

21. Circadian rhythms regulate the environmental responses of net CO2 exchange in bean and cotton canopies

Author:
Víctor Resco de Dios; Arthur Gessler; Juan Pedro Ferrio; Josu G. Alday; Michael Bahn; Jorge del Castillo; Sébastien Devidal; Sonia García-Muñoz; Zachary Kayler; Damien Landais; Paula Martín-Gómez; Alexandru Milcu; Clément Piel; Karin Pirhofer-Walzl; Olivier Ravel; Serajis Salekin; David T. Tissue; Mark G. Tjoelker; Jordi Voltas; Jacques Roy
Source:
Agricultural and forest meteorology 2017 v.239 pp. 185-191
ISSN:
0168-1923
Subject:
beans; canopy; carbon dioxide; circadian rhythm; cotton; diurnal variation; ecosystems; environmental factors; gas exchange; photosynthesis; physiological response; shrubs; stomatal conductance; temperature; vapor pressure
Abstract:
... Studies on the dependence of the rates of ecosystem gas exchange on environmental parameters often rely on the up-scaling of leaf-level response curves (‘bottom-up’ approach), and/or the down-scaling of ecosystem fluxes (‘top-down’ approach), where one takes advantage of the natural diurnal covariation between the parameter of interest and photosynthesis rates. Partly independent from environmenta ...
DOI:
10.1016/j.agrformet.2017.03.014

22. Cover Crop Development Related to Nitrate Uptake and Cumulative Temperature

Author:
Martin Burger; Matthew R. Dumlao; Juan Wang; Barzin A. Moradi; William R. Horwath; Wendy K. Silk
Source:
Crop science 2017 v.57 no.2 pp. 971-982
ISSN:
0011-183X
Subject:
Secale cereale; Triticosecale; Triticum aestivum; Vicia faba; beans; canopy; cover crops; crop management; fibrous roots; growth models; heat sums; meteorological data; nitrates; planting; rain; silt loam soils; spring; triticale; weeds; wet season; wheat
Abstract:
... Cover crops have been shown to deplete soil nitrate and reduce nitrate leaching in Mediterranean climates. Cover crop canopy development, N uptake, and root system development were studied during three rainy seasons in Yolo silt loam and Rincon silty clay loam soils, with two cover crops with contrasting root systems and N acquisition strategies: triticale (× Triticosecale), a monocot wheat (Triti ...
DOI:
10.2135/cropsci2016.09.0741

23. Endogenous circadian rhythms in pigment composition induce changes in photochemical efficiency in plant canopies

Author:
José Ignacio García‐Plazaola; Beatriz Fernández‐Marín; Juan Pedro Ferrio; Josu G. Alday; Günter Hoch; Damien Landais; Alexandru Milcu; David T. Tissue; Jordi Voltas; Arthur Gessler; Jacques Roy; Víctor Resco de Dios
Source:
Plant, cell and environment 2017 v.40 no.7 pp. 1153-1162
ISSN:
0140-7791
Subject:
beans; canopy; carbohydrate content; chlorophyll; circadian rhythm; cotton; light harvesting complex; lutein; photochemistry; photosynthesis
Abstract:
... There is increasing evidence that the circadian clock is a significant driver of photosynthesis that becomes apparent when environmental cues are experimentally held constant. We studied whether the composition of photosynthetic pigments is under circadian regulation, and whether pigment oscillations lead to rhythmic changes in photochemical efficiency. To address these questions, we maintained ca ...
DOI:
10.1111/pce.12909

24. Night and day – Circadian regulation of night-time dark respiration and light-enhanced dark respiration in plant leaves and canopies

Author:
Arthur Gessler; Jacques Roy; Zachary Kayler; Juan Pedro Ferrio; Josu G. Alday; Michael Bahn; Jorge del Castillo; Sébastien Devidal; Sonia García-Muñoz; Damien Landais; Paula Martín-Gomez; Alexandru Milcu; Clément Piel; Karin Pirhofer-Walzl; Lucia Galiano; Marcus Schaub; Matthias Haeni; Olivier Ravel; Serajis Salekin; David T. Tissue; Mark G. Tjoelker; Jordi Voltas; Günter Hoch; Víctor Resco de Dios
Source:
Environmental and experimental botany 2017 v.137 pp. 14-25
ISSN:
0098-8472
Subject:
air; air temperature; beans; canopy; circadian rhythm; cotton; ecosystem respiration; environmental factors; humidity; leaves; metabolism; temporal variation; tricarboxylic acid cycle; vegetation
Abstract:
... The potential of the vegetation to sequester C is determined by the balance between assimilation and respiration. Respiration is under environmental and substrate-driven control, but the circadian clock might also contribute.To assess circadian control on night-time dark respiration (RD) and on light enhanced dark respiration (LEDR) – the latter providing information on the metabolic reorganizatio ...
DOI:
10.1016/j.envexpbot.2017.01.014

25. Variability of survival and yield traits in cacao (Theobroma cacao L.) clones under marginal field conditions in Ghana

Author:
A. Ofori; F. K. Padi; A. Akpertey; P. Adu-Gyamfi; M. A. Dadzie; F. M. Amoah
Source:
Journal of crop improvement 2017 v.31 no.6 pp. 847-861
ISSN:
1542-7536
Subject:
Theobroma cacao; beans; breeding; canopy; clones; crop yield; genetic background; heritability; Ghana
Abstract:
... Increasing the genetic base of current parental cacao varieties grown in West Africa with clones that are able to perform well under marginal conditions could improve cacao production. Survival and yield of 30 different cocoa clones of more recent introductions were compared with five parental clones of improved cocoa varieties under natural field conditions in Ghana. A randomized complete-block d ...
DOI:
10.1080/15427528.2017.1391914

26. Common bean canopy characteristics and N assimilation as affected by weed pressure and nitrogen rate

Author:
S. F. SABERALI; S. A. M. MODARRES-SANAVY; M. BANNAYAN; M. AGHAALIKHANI; G. HAGHAYEGH; G. HOOGENBOOM
Source:
Journal of agricultural science 2016 v.154 no.4 pp. 598-611
ISSN:
1469-5146
Subject:
Amaranthus retroflexus; Phaseolus vulgaris; beans; canopy; chlorophyll; crop-weed competition; fertilizer rates; genotype; growth habit; leaf area index; leaves; nitrogen; regression analysis; weeds
Abstract:
... Crop canopy characteristics and management factors that affect the canopy structure can influence crop competitive ability against weeds. The goal of the current study was to understand the interaction between nitrogen (N) fertilizer rate and redroot pigweed (Amaranthus retroflexus) density on common bean (Phaseolus vulgaris L.) canopy characteristics and N assimilation. Experiments were conducted ...
DOI:
10.1017/S0021859615000477

27. Distribution of Amblydromalus limonicus in northeastern Spain and diversity of phytoseiid mites (Acari: Phytoseiidae) in tomato and other vegetable crops after its introduction

Author:
Alicja Chorąży; Danuta Kropczyńska-Linkiewicz; Daniel Sas; Lucia-Adriana Escudero-Colomar
Source:
Experimental & applied acarology 2016 v.69 no.4 pp. 465-478
ISSN:
0168-8162
Subject:
Amaranthus cruentus; Chenopodium; Cynodon dactylon; Mentha; Parietaria; Phleum pratense; Phytoseiidae; acarology; beans; canopy; cucumbers; cultivars; hybrids; strawberries; tomatoes; vegetable crops; vegetation; Spain
Abstract:
... Amblydromalus limonicus (Garman and McGregor) was detected for the first time in 2011 on tomatoes of several locations of the northeastern Spain. During 2012 and 2013 samplings on tomato crop cultivars in the two provinces of Catalonia where the species was found were carried out. The goals of the study were to know the range of spread of the species in these two provinces, its abundance in tomato ...
DOI:
10.1007/s10493-016-0050-5

28. Forcing variables in simulation of transpiration of water stressed plants determined by principal component analysis

Author:
Angelica Durigon; Quirijn de Jong van Lier; Klaas Metselaar
Source:
International agrophysics 2016 v.30 no.4 pp. 431-445
ISSN:
2300-8725
Subject:
air; beans; canopy; deficit irrigation; field experimentation; humidity; irrigation rates; leaf angle; leaf conductance; mathematical models; mesophyll; model validation; prediction; principal component analysis; soil; stomata; temperature; water stress
Abstract:
... To date, measuring plant transpiration at canopy scale is laborious and its estimation by numerical modelling can be used to assess high time frequency data. When using the model by Jacobs (1994) to simulate transpiration of water stressed plants it needs to be reparametrized. We compare the importance of model variables affecting simulated transpiration of water stressed plants. A systematic lite ...
DOI:
10.1515/intag-2016-0006

29. Identification of plants responding to CO2 leakage stress using band depth and the full width at half maxima of canopy spectra

Author:
Jinbao Jiang; Michael D. Steven; Ruyan He; Yunhao Chen; Peijun Du
Source:
Energy 2016 v.100 pp. 73-81
ISSN:
0360-5442
Subject:
Vicia faba; beans; canopy; carbon dioxide; carbon sequestration; field experimentation; global warming; grasses; greenhouse gas emissions; monitoring; plant growth; remote sensing; soil; spectral analysis
Abstract:
... CCS (carbon capture and storage) is a technique that can effectively reduce CO2 emissions released into the atmosphere from industrial activities and mitigate global climate warming. However, the captured CO2 may leak from the underground storage, so a novel way of rapidly detecting points of CO2 leakage in sequestration fields is needed. A field experiment was performed at the Sutton Bonington Ca ...
DOI:
10.1016/j.energy.2016.01.032

30. Responses to shade and subsequent recovery of soya bean in maize-soya bean relay strip intercropping

Author:
Yushan Wu; Wanzhuo Gong; Feng Yang; Xiaochun Wang; Taiwen Yong; Wenyu Yang
Source:
Plant production science 2016 v.19 no.2 pp. 206-214
ISSN:
1349-1008
Subject:
beans; biomass; canopy; chlorophyll; corn; field experimentation; intercropping; leaf area; leaf mass; leaf morphology; leaves; seed weight; solar radiation; soybeans; stem elongation
Abstract:
... In relay intercropping systems, late-planted crops often grow under the shade of the canopy of early-planted tall crops and then transfer to full sunlight after the harvest of the early-planted crops. In order to know the effects of recovery growth of the late-planted soya bean in maize–soya bean relay intercropping, a field experiment was carried out to observe architectural, morphological, physi ...
DOI:
10.1080/1343943X.2015.1128095

31. Sowing Density Effect on Common Bean Leaf Area Development

Author:
Jaumer Ricaurte; Jose A. Clavijo Michelangeli; Thomas R. Sinclair; Idupulapati M. Rao; Stephen E. Beebe
Source:
Crop science 2016 v.56 no.5 pp. 2713-2721
ISSN:
0011-183X
Subject:
Phaseolus vulgaris; beans; canopy; genotype; growth and development; growth habit; leaf area; leaf development; plant architecture; temporal variation
Abstract:
... Sowing density is a major management factor that affects growth and development of grain crops by modifying the canopy light environment and interplant competition for water and nutrients. While the effects of density and plant architecture on static vegetative and reproductive growth traits have been explored previously in common bean (Phaseolus vulgaris L.), there are no reports of intensive mea ...
DOI:
10.2135/cropsci2016.01.0056

32. Improving adaptation to drought stress in small red common bean: phenotypic differences and predicted genotypic effects on grain yield, yield components and harvest index

Author:
Teshale Assefa; Jixiang Wu; Stephen E. Beebe; Idupulapati M. Rao; Daniele Marcomin; Rubyogo J. Claude
Source:
Euphytica 2015 v.203 no.3 pp. 477-489
ISSN:
0014-2336
Subject:
Phaseolus vulgaris; beans; biomass; canopy; cultivars; drought; drought tolerance; genotype; genotype-environment interaction; grain yield; harvest index; inbred lines; irrigated conditions; irrigated farming; phenotypic variation; plant breeding; pods; program planning; rain; seeds; selection criteria; soil water deficit; variance; water stress; Ethiopia
Abstract:
... Common bean (Phaseolus vulagaris L.) is mainly produced in Latin America, and Eastern and Southern Africa where seasonal rainfall is erratic and soil moisture deficit often limits its production. The objectives of this study were to identify superior advanced small red common bean lines with better grain yield under drought, and to identify plant traits that could serve as selection criteria for e ...
DOI:
10.1007/s10681-014-1242-x

33. Canopy temperature versus soil water pressure head for the prediction of crop water stress

Author:
Angelica Durigon; Quirijn de Jong van Lier
Source:
Agricultural water management 2013 v.127 pp. 1-6
ISSN:
0378-3774
Subject:
beans; canopy; deficit irrigation; models; prediction; soil water; temperature; transpiration; water stress; Brazil
Abstract:
... Plant water stress is linked to both above- and below-surface parameters; with above-surface parameters being generally easier to measure. Models utilizing above-surface parameters, such as canopy temperature to identify plant water stress, frequently employ the crop water stress index (CWSI). Alternatively, the regular usage of the transpiration reduction function (FRF), as proposed by Feddes in ...
DOI:
10.1016/j.agwat.2013.05.014

34. Comparative field performance of some agricultural crops under a canopy of Populus deltoides and Ulmus wallichiana

Author:
Tariq Hussian Masoodi; Nasir Ahmad Masoodi; Sajad Ahmad Gangoo; Shah Murtaza Mushtaq; Hillal Ahmad
Source:
Journal of forestry research 2013 v.24 no.4 pp. 783-790
ISSN:
1007-662X
Subject:
Helianthus annuus; Populus deltoides; Ulmus; agroecosystems; allelochemicals; beans; canopy; corn; crops; germination; land productivity; phenolic acids; soil; soil sampling; trees; India
Abstract:
... The performance of maize, beans and sunflower was evaluated under a canopy of Populus deltoides and Ulmus wallichiana at Faculty of Agriculture, Wadura. The germination, growth and yield of the three test crops were suppressed under both tree species. The reduction, however, decreased when the cultivation of test crops was continued for three years. The inhibition potential generally is in the ord ...
DOI:
10.1007/s11676-013-0417-y

35. Effect of irrigation on the relationships between leaf gas exchange related traits and yield in dwarf dry bean grown under Mediterranean conditions

Author:
E. Ninou; J.T. Tsialtas; C.A. Dordas; D.K. Papakosta
Source:
Agricultural water management 2013 v.116 pp. 235-241
ISSN:
0378-3774
Subject:
beans; canopy; carbon; correlation; cultivars; drought; drought tolerance; dry matter partitioning; flowering; gas exchange; irrigation rates; isotopes; leaf area index; leaves; seed yield; seeds; transpiration; water stress; water use efficiency
Abstract:
... Drought is a major yield constraint of crop productivity. Determining physiological traits involved in the response of common bean to drought stress could lead to improving drought tolerance. A two-year study (2008 and 2009) was carried out to determine the physiological traits that are associated with drought tolerance for maximum dry bean seed yield (SY), and water use efficiency (WUE) in northe ...
DOI:
10.1016/j.agwat.2012.08.002

36. Nitrogen and phosphorus in senescent leaves of field-grown common bean cultivars and their contribution to crop nutrient budget

Author:
Adelson Paulo Araújo; Bianca Del Pin; Marcelo Grandi Teixeira
Source:
Field crops research 2012 v.127 no. pp. 35-43
ISSN:
0378-4290
Subject:
cultivars; canopy; beans; seeds; stems; nitrogen; nutrients; shoots; pods; phosphorus; Phaseolus vulgaris; grain yield; grains; harvest index; field experimentation; leaves; biomass; half life; biogeochemical cycles; crops
Abstract:
... Leaf senescence and its concomitant remobilization of nutrients supplies part of seed demand, and leaf decay also contributes to nutrient cycling. However, a nutrient budget of common bean (Phaseolus vulgaris) crop that considers senescent leaves is lacking. The purpose of this study was to measure the amounts of N and P in senescent leaves of common bean cultivars and their contribution to the cr ...
DOI:
10.1016/j.fcr.2011.11.009

37. Site-specific risk factors of white mould epidemics in bean (Phaseolus vulgaris) in Tasmania, Australia

Author:
SJ Jones; DH Gent; SJ Pethybridge; FS Hay
Source:
New Zealand journal of crop and horticultural science 2012 v.40 no.3 pp. 147-159
ISSN:
1175-8783
Subject:
Sclerotinia sclerotiorum; cultivars; discriminant analysis; canopy; beans; flowering; pesticide application; air temperature; fungicides; models; pods; Phaseolus vulgaris; disease outbreaks; edaphic factors; risk factors; surveys; weather; disease incidence; Tasmania
Abstract:
... In Tasmania, Australia, if more than 5% of bean pods are affected by white mould (Sclerotinia sclerotiorum) shipments may be rejected by the processor. This standard dictates prophylactic fungicide application over flowering, although in some instances treatment may not be warranted because of low disease risk. Surveys were conducted to identify relationships among edaphic factors, weather variabl ...
DOI:
10.1080/01140671.2011.623707

38. An effective integrated crop management strategy for enhanced maize production in tropical agroecosystems prone to gray leaf spot

Author:
H.J.F. Lyimo; R.C. Pratt; Reuben S.O.W. Mnyuku
Source:
Crop protection 2012 v.41 no. pp. 57-63
ISSN:
0261-2194
Subject:
Cercospora zeae-maydis; Zea mays; agroecosystems; beans; canopy; conventional tillage; corn; crop yield; cultivars; genotype; inoculum; integrated crop management; intercropping; leaves; minimum tillage; no-tillage; rain; reduced tillage; soil; soil movement; spores
Abstract:
... Gray leaf spot is one of the most important yield-limiting diseases of maize (Zea mays L.) and it is more severe in reduced tillage cropping where over-seasoning soilborne inoculum from infected crop debris provides primary inoculum for infection of the newly planted maize. The objective of this study was to investigate the effects of intercropped beans on movement of soil surface inoculum and its ...
DOI:
10.1016/j.cropro.2012.05.003

39. Allelopathic interference of invasive Acacia dealbata Link on the physiological parameters of native understory species

Author:
Lorenzo, Paula; Palomera-Pérez, Ana; Reigosa, Manuel J.; González, Luís
Source:
Plant ecology 2011 v.212 no.3 pp. 403-412
ISSN:
1385-0237
Subject:
Acacia dealbata; Dactylis glomerata; Hedera hibernica; adverse effects; beans; biodiversity; branches; canopy; drought; electrodes; flowering; indigenous species; photosynthesis; respiratory rate; trees; understory; Spain
Abstract:
... The tree Acacia dealbata Link is an Australian woody legume that has become a serious environmental problem in Northwest Spain, where its expansion is assumed to reduce populations of native species and threaten local plant biodiversity. In order to investigate the potential involvement of allelopathic mechanisms in this process, net photosynthetic and respiration rates of four test native underst ...
DOI:
10.1007/s11258-010-9831-9

40. Canopy Management and Enzyme Impacts on Merlot, Cabernet franc, and Cabernet Sauvignon. II. Wine Composition and Quality

Author:
Di Profio, Frederick; Reynolds, Andrew G.; Kasimos, Angela
Source:
American journal of enology and viticulture 2011 v.62 no.2 pp. 152-168
ISSN:
0002-9254
Subject:
anthocyanins; beans; black pepper; canopy; color; enzymatic treatment; enzymes; ethanol; fruit wines; leaves; mushrooms; odors; pH; peas; phenol; titratable acidity; tobacco; vines; viticulture; Ontario
Abstract:
... Merlot, Cabernet franc, and Cabernet Sauvignon vines in Niagara-on-the-Lake, Ontario, were subjected to four treatments in a randomized complete block experiment: hedged control, cluster thinning at veraison (CT), basal leaf removal (BLR), and CT+BLR. Musts from each treatment replicate (CT+BLR excepted) were thereafter either left untreated or treated with one of ColorPro or Color X enzymes. In m ...
DOI:
10.5344/ajev.2010.10035

41. Influence of crop management practices on bean foliage arthropods

Author:
Pereira, J.L.; Picanço, M.C.; Pereira, E.J.G.; Silva, A.A.; Jakelaitis, A.; Pereira, R.R.; Xavier, V.M.
Source:
Bulletin of entomological research 2010 v.100 no.6 pp. 679-688
ISSN:
0007-4853
Subject:
parasitoids; beans; crop residue management; no-tillage; management systems; predators; Phaseolus vulgaris; Circulifer; crop yield; integrated pest management; Solenopsis; insect control; beneficial arthropods; leaves; insect pests; arthropod communities; crop residues; herbivores; species diversity; Empoasca; canopy; Hypogastrura; detritivores; cropping systems; growing season; Brazil
Abstract:
... Crop management practices can affect the population of phytophagous pest species and beneficial arthropods with consequences for integrated pest management. In this study, we determined the effect of no-tillage and crop residue management on the arthropod community associated with the canopy of common beans (Phaseolus vulgaris L.). Abundance and species composition of herbivorous, detritivorous, p ...
DOI:
10.1017/S0007485310000039
PubMed:
20504384

42. Irradiance, external carbon dioxide concentration and temperature influence photosynthesis in tropical cover crop legumes

Author:
V. C. Baligar; J. A. Bunce; M. K. Elson; N. K. Fageria
Source:
Tropical Grasslands 2010 v.44 no. pp. 24-32
ISSN:
0049-4763
Subject:
Arachis glabrata var. glabrata; Calopogonium mucunoides; Canavalia ensiformis; Mucuna; beans; canopy; carbon dioxide; cover crops; light intensity; photosynthesis; plantations; solar radiation; stomatal conductance; temperature; trees; understory
Abstract:
... In plantation crops, perennial tropical legumes are grown as understory plants, where they receive limited irradiance and can be subjected to elevated levels of CO2. Independent short-term effects of photosynthetic photon flux density (PPFD), external carbon dioxide concentration [CO2] and temperature on net photosynthesis (Pn), internal CO2 (Ci), stomatal conductance (Gs) and transpiration (E) we ...
Handle:
10113/58978

43. Long-term effects of management practices on water-driven soil erosion in an intense agricultural sub-watershed: monitoring and modelling

Author:
Abaci, Ozan; Papanicolaou, A.N. Thanos
Source:
Hydrological processes 2009 v.23 no.19 pp. 2818-2837
ISSN:
0885-6087
Subject:
sediment yield; beans; no-tillage; Water Erosion Prediction Project; model validation; land use; agricultural watersheds; plant residues; atmospheric precipitation; surface roughness; monitoring; corn; erosion control; land cover; shear stress; erodibility; crop rotation; hydraulic conductivity; canopy; long term effects; cover crops; streams; soil erosion; Iowa
Abstract:
... The overarching objective of this research was to provide an improved understanding of the role of land use and associated management practices on long-term water-driven soil erosion in small agricultural watersheds by coupling the established, physically based, distributed parameter Water Erosion Prediction Project (WEPP) model with long-term hydrologic, land use and soil data. A key step towards ...
DOI:
10.1002/hyp.7380

44. Development of linear models for estimation of leaflet area in common bean (Phaseolus vulgaris L.)

Author:
Ramirez-Builes, Victor H.; Porch, Timothy G.; Harmsen, Eric W.
Source:
Journal of agriculture of the University of Puerto Rico 2008 v.92 no.3-4 pp. 171-182
ISSN:
0041-994X
Subject:
Phaseolus vulgaris; beans; leaves; leaf area; measurement; canopy; cultivars; genetic variation; regression analysis; linear models; developmental stages; vegetative growth; plant reproduction; environmental factors; genotype-environment interaction; plant density; Puerto Rico
Abstract:
... Plant leaf area is an important physiological trait, and direct, non-destructive methods for estimating leaf area have been shown to be effective while allowing for repeated plant sampling. The objective of this study was to evaluate direct, non-destructive leaflet measurements as predictors of actual leaflet area (LA), to test previously developed models, and to develop genotype-specific linear m ...
Handle:
10113/31098

45. Field persistence of the entomopathogenic nematode Heterorhabditis bacteriophora in different crops

Author:
Alper Susurluk; Ralf-Udo Ehlers
Source:
BioControl 2008 v.53 no.4 pp. 627-641
ISSN:
1386-6141
Subject:
Brassica napus; Bruchus pisorum; Galleria mellonella; Heterorhabditis bacteriophora; Lupinus; Sitona lineatus; Trifolium pratense; baiting; beans; biological control; canopy; cover crops; entomopathogenic nematodes; field crops; freezing; half life; moths; nematode larvae; pastures; pathogenicity; peas; potatoes; soil; soil movement; soil sampling; spraying equipment; temperature; wheat; winter
Abstract:
... To investigate nematode establishment and persistence, dauer juveniles (DJs) of Heterorhabditis bacteriophora were applied at 50 cm⁻² in different crops in June and July with conventional spraying equipment and 420 l water ha⁻¹. Application hardly had any effects on survival and infectivity. The number of DJs reaching the soil was assessed and the establishment and persistence recorded by baiting ...
DOI:
10.1007/s10526-007-9104-2

46. The potential for increasing rubber production by matching tapping intensity to leaf area index

Author:
Righi, Ciro Abbud; Bernardes, Marcos Silveira
Source:
Agroforestry systems 2008 v.72 no.1 pp. 1-13
ISSN:
0167-4366
Subject:
Hevea brasiliensis; cultivars; leaf area index; dry matter accumulation; agroforestry; mixed cropping; Phaseolus vulgaris; beans; tree tapping; rubber; latex; canopy; crop yield; ecophysiology; Brazil
Abstract:
... Understanding resource capture can help design appropriate species combinations, planting designs and management. Leaf area index (LAI) and its longevity are the most important factors defining dry matter production and thus growth and productivity. The ecophysiological modifications and yield of rubber (Hevea spp.) in an agroforestry system (AFS) with beans (Phaseolus vulgaris L.) were studied. T ...
DOI:
10.1007/s10457-007-9092-3

47. Use of a minimally invasive method of measuring leaf stomatal conductance to examine stomatal responses to water vapor pressure difference under field conditions

Author:
Bunce, J.A.
Source:
Agricultural and forest meteorology 2006 v.139 no.3-4 pp. 335-343
ISSN:
0168-1923
Subject:
stomatal movement; temporal variation; Zea mays; beans; Glycine max; stomatal conductance; canopy; relative humidity; soybeans; corn; Phaseolus vulgaris; physical models; spatial variation; photosynthesis; measurement; water vapor; leaves; leaf conductance; Maryland
Abstract:
... Most methods of measuring the diffusive conductance to water vapor of individual plant leaves potentially change the leaf environment by enclosing part of the leaf in order to measure the rate of water vapor exchange and the driving force for that exchange. There have been questions about whether leaf to air water vapor pressure difference varies sufficiently in extensive crop canopies to be a sig ...
Handle:
10113/16877
DOI:
10.1016/j.agrformet.2006.08.011

48. Epidemiological Characteristics of Angular Leaf Spot of Bean: A Systems Analysis

Author:
Allorent, D.; Savary, S.
Source:
European journal of plant pathology 2005 v.113 no.4 pp. 329-341
ISSN:
0929-1873
Subject:
Phaeoisariopsis griseola; beans; canopy; disease models; systems analysis; fungal diseases of plants; spore dispersal; Phaseolus vulgaris; leaf spot; disease outbreaks; plant pathogenic fungi; defoliation; pathogenesis; inoculum

49. Irrigation water management using high resolution airborne remote sensing

Author:
Neale, C.M.U.; Jayanthi, H.; Wright, J.L.
Source:
Irrigation and drainage systems 2005 v.19 no.3-4 pp. 321-336
ISSN:
0168-6291
Subject:
evapotranspiration; beans; canopy; image analysis; Solanum tuberosum; Phaseolus vulgaris; potatoes; reflectance; crop coefficient; remote sensing; irrigated farming; irrigation requirement; aircraft
DOI:
10.1007/s10795-005-5195-z

50. Quantifying and Modelling the Mobilisation of Inoculum from Diseased Leaves and Infected Defoliated Tissues in Epidemics of Angular Leaf Spot of Bean

Author:
Allorent, D.; Willocquet, L.; Sartorato, A.; Savary, S.
Source:
European journal of plant pathology 2005 v.113 no.4 pp. 377-394
ISSN:
0929-1873
Subject:
beans; Phaseolus vulgaris; leaf spot; fungal diseases of plants; parents; virulence; leaves; Phaeoisariopsis griseola; simulation models; quantitative analysis; disease outbreaks; defoliation; progeny; inoculum; plant tissues; canopy; physiological transport; environmental factors; disease course

51. Selection of Rhizobium strain from Wonogiri, Central Java on the growth of soybean (Glycine max L.) on the sand sterile medium in greenhouse

Author:
SRI PURWANINGSIH
Source:
Biodiversitas 2005 v.6 no.3 pp. 168-171
ISSN:
2085-4722
Subject:
Arachis hypogaea; Glycine max; Rhizobium; Vigna radiata; beans; canopy; greenhouses; microbiology; peanuts; sand; soybeans; urea fertilizers; Indonesia
Abstract:
... An experiment on the selection of Rhizobium strain from Wonogiri, Central Java on the growth of soybean (Glycine max L.) on the sand sterile medium in green house. The aim of the experiment the selection and potency of the Rhizobium strain to increase the growth of soybean. The experiment was carried out in green house condition in Microbiology Division, Research Center for Biology-LIPI with steri ...

52. Variation in parameters related to leaf thickness in common bean (Phaseolus vulgaris L.)

Author:
White, J.W.; Montes-R., C.
Source:
Field crops research 2005 v.91 no.1 pp. 7-21
ISSN:
0378-4290
Subject:
Phaseolus vulgaris; beans; leaves; thickness; photosynthesis; light; canopy; field experimentation; weight; absorbance; chlorophyll; nitrogen content; Colombia
Abstract:
... Greater leaf thickness is usually associated with greater leaf carbon assimilation rate, but the tradeoff between thicker versus larger leaves also affects canopy structure and light interception. Many studies equate the ratio of dry leaf mass to area (leaf specific mass) with leaf thickness. This approximation has utility but ignores differences in true thickness due to variation in water or air ...
Handle:
10113/50590

53. Daily Simulation of Potential Dry Matter Production of Annual Field Crops in Tropical Environments

Author:
Ann Verdoodt; Eric Van Ranst; Liming Ye
Source:
Agronomy journal 2004 v.96 no.6 pp. 1739-1753
ISSN:
0002-1962
Subject:
Phaseolus vulgaris; agronomy; alternative crops; beans; biomass production; canopy; case studies; crop models; dry matter accumulation; land evaluation; leaf area index; leaf development; leaves; model validation; photosynthesis; solar radiation; temperature; vegetative growth; Rwanda
Abstract:
... This paper describes the modeling procedures activated when assessing potential biomass production using the Daily Crop Growth Simulator (DAICROS). Under optimal water and nutrient supply, the main physiological processes governing crop growth are photosynthesis, respiration, and leaf expansion. Simulation of the gross photosynthesis rate involves, among others, assessment of the maximum photosynt ...
DOI:
10.2134/agronj2004.1739

54. Effect of Alley Cropping on Crops and Arthropod Diversity in Duzce, Turkey

Author:
Akbulut, S.; Keten, A.; Stamps, W.T.
Source:
Journal of agronomy and crop science 2003 v.189 no.4 pp. 261-269
ISSN:
0931-2250
Subject:
Cucurbita pepo; Phaseolus vulgaris; Populus canadensis; Zea mays; alley cropping; beans; beneficial arthropods; canopy; corn; crop yield; crops; ground vegetation; growing season; habitats; herbaceous plants; netting; pitfall traps; planting; sticky traps; trees; zucchini; Turkey (country)
Abstract:
... The influence of alley cropping practices on trees, agricultural crops and arthropod diversity was studied in Duzce, Turkey. Six replications of three crops, maize (Zea mays L. var. rugosa), beans (Phaseolus vulgaris L.) and zucchini (Cucurbita pepo L.), were planted in the alleyways between rows of hybrid poplar [Populus euramericana (Dode) Guinier] in a plantation setting. Control plots included ...
DOI:
10.1046/j.1439-037X.2003.00042.x

55. Imidacloprid impact on arthropods associated with canopy of common beans

Author:
Marquini, F.; Picanco, M.C.; Guedes, R.N.C.; Ferreira, P.S.F.
Source:
Neotropical entomology 2003 v.32 no.2 pp. 335-342
ISSN:
1519-566X
Subject:
parasitoids; beans; spatial distribution; Phaseolus vulgaris; imidacloprid; Caliothrips; Thrips tabaci; predatory arthropods; temporal variation; arthropod communities; pest control; Liriomyza; adverse effects; Empoasca; canopy; phytophagous insects; grain crops; pesticide application; Frankliniella; chemical control; Bemisia; Brazil
DOI:
10.1590/S1519-566X2003000200021

56. Improving Physiological Assumptions Of Simulation Models By Using Gene-Based Approaches

Author:
Gerrit Hoogenboom; Jeffrey W. White
Source:
Agronomy journal 2003 v.95 no.1 pp. 82-89
ISSN:
0002-1962
Subject:
Phaseolus vulgaris; beans; canopy; crop models; cultivars; data collection; flowering; genes; harvest index; photoperiod; plant breeding; quantitative traits; seed yield; simulation models; temperature
Abstract:
... Application of crop models to plant breeding has been limited, in part due to the restricted capabilities of models to accurately represent genetic differences and genotype-induced crop responses. A gene-based model, GeneGro, was developed to simulate the effects of seven genes on growth and developmental processes in common bean (Phaseolus vulgaris L.) and was published in 1996. The objective of ...
DOI:
10.2134/agronj2003.8200

57. Response of arthropods associated with the canopy of common beans subjected to imidacloprid spraying

Author:
Marquini, F.; Guedes, R.N.C.; Picanco, M.C.; Regazzi, A.J.
Source:
Journal of applied entomology 2002 v.126 no.10 pp. 550-556
ISSN:
0931-2048
Subject:
temporal variation; parasitoids; insect pests; nontarget organisms; arthropod communities; canopy; beans; predatory arthropods; Phaseolus vulgaris; imidacloprid; population density; species diversity; insect control; spraying; adverse effects; Brazil
DOI:
10.1046/j.1439-0418.2002.00702.x

58. Comparison of Two Methods for Estimating Leaf Area Index on Common Bean

Author:
Waldir Cintra de Jesus; Francisco Xavier Ribeiro do Vale; Reginaldo Resende Coelho; Luiz Claúdio Costa
Source:
Agronomy journal 2001 v.93 no.5 pp. 989-991
ISSN:
0002-1962
Subject:
Phaseolus vulgaris; agronomy; beans; canopy; field experimentation; leaf area index; plant growth
Abstract:
... Measurement of leaf area index (LAI) is important in studies of plant growth. Based on this concept, the analysis of crop growth has moved from classical growth analysis to mechanistic models, via functional growth analysis. Leaf area index is a major variable in mechanistic crop growth models and in models that attempt to simulate loss caused by pathogens. A field experiment was carried out from ...
DOI:
10.2134/agronj2001.935989x

59. Bean Canopy Response to Irrigation, Nitrogen Fertiliser and Planting Density Under Temperate and Tropical Conditions

Author:
MWK Mburu; LP Simmonds; CJ Pilbeam
Source:
East African agricultural and forestry journal 1999 v.65 no.1-2 pp. 7-20
ISSN:
2313-450X
Subject:
Phaseolus vulgaris; beans; canopy; developmental stages; dry season; evaporation; experimental design; forestry; leaf area; leaf area index; leaf emergence; leaf length; nitrogen; nitrogen fertilizers; planting density; rain; summer; water stress; Kenya
Abstract:
... The effect of irrigation, nitrogen fertiliser and planting density on green leaf area index under field conditions was determined. Field experiments were carried out at Sonning (UK) in summer 1992, and two experiments at Kabete, Kenya from November 1992 to February 1993 (K1) and from February to May 1993 (K2) using beans (Phaseolus vulgaris var. Mwezi Moja). The treatments included two irrigation ...
DOI:
10.4314/eaafj.v65i1.1753

60. Sunfleck dynamics and canopy structure in a Phaseolus vulgaris L. canopy

Author:
Barradas, V.L.; Jones, H.G.; Clark, J.A.
Source:
International journal of biometeorology 1998 v.42 no.1 pp. 34-43
ISSN:
0020-7128
Subject:
Phaseolus vulgaris; beans; bioclimatology; canopy; crops; light intensity; models; soil
Abstract:
... Photosynthetic photon flux density (PPFD) fluctuations were quantified in crops of beans (Phaseolus vulgaris L.) in the field as the canopy developed between July and October. Two different methods were used to select sunflecks and shadeflecks. Four ranges of zenith angles (60-70 degrees, 50-60 degrees, 40-50 degrees and 30-40 degrees) were selected for analysing PPFD fluctuations. At the base of ...
DOI:
10.1007/s004840050081

61. Canopy Temperatures: the Usefulness and Reliability of Remote Measurements

Author:
J. L. Hatfield
Source:
Agronomy journal 1979 v.71 no.5 pp. 889-892
ISSN:
0002-1962
Subject:
Phaseolus vulgaris; Triticum turgidum subsp. durum; agronomy; beans; canopy; durum wheat; leaves; rowcrops; seasonal growth; soil; temperature; thermistors; thermometers
Abstract:
... Remote measurements of leaf temperature offer a quick means of measuring individual leaf or canopy temperatures. The spatial area measured depends on the viewing angle of the infrared thermometer. This study was designed to evaluate the measurement of leaf temperature with attached vs remote measurements for a field row crop and to determine the relationship between angular and vertical temperatur ...
DOI:
10.2134/agronj1979.00021962007100050043x