PubAg

Main content area

You searched for: Subject chlorophyll Remove constraint Subject: chlorophyll Subject Medicago sativa Remove constraint Subject: Medicago sativa Text Availability Citation in PubAg Remove constraint Text Availability: Citation in PubAg
Start Over

Search

66  Search Results

« Previous | 1 - 20 of 66 |
Number of results to display per page

Search Results

1. Accumulation and residue of napropamide in alfalfa (Medicago sativa) and soil involved in toxic response

Author:
Cui, Li E.; Yang, Hong
Source:
Journal of hazardous materials 2011 v.190 no.1-3 pp. 81-86
ISSN:
0304-3894
Subject:
Medicago sativa; agricultural land; alfalfa; chlorophyll; cultivars; ecosystems; genotype; growth retardation; hydrogen peroxide; napropamide; rhizosphere; roots; shoots; soil; superoxide anion; toxicity; weed control
Abstract:
... Napropamide belongs to the amide herbicide family and widely used to control weeds in farmland. Intensive use of the herbicide has resulted in widespread contamination to ecosystems. The present study demonstrated an analysis on accumulation of the toxic pesticide napropamide in six genotypes of alfalfa (Medicago sativa), along with biological parameters and its residues in soils. Soil was treated ...
DOI:
10.1016/j.jhazmat.2011.02.086

2. Accumulation of overproduced ferritin in the chloroplast provides protection against photoinhibition induced by low temperature in tobacco plants

Author:
Hegedűs, Attila; Janda, Tibor; Horvath, Gabor V.; Dudits, Denes
Source:
Journal of plant physiology 2008 v.165 no.15 pp. 1647-1651
ISSN:
0176-1617
Subject:
Medicago sativa; alfalfa; ferritin; transgenes; Nicotiana tabacum; tobacco; transgenic plants; chloroplasts; photoinhibition; reactive oxygen species; chlorophyll
Abstract:
... Wild-type tobacco plants (Nicotiana tabacum L. cv. Petit Havanna line SR1) and plants transformed with full-length alfalfa ferritin cDNA with the chloroplast transit peptide under the control of a Rubisco small subunit gene promoter (C3 and C8) were cold-treated at 0 °C with continuous light (250 μmol m-2 s-1). These transgenic plants had higher chlorophyll content and higher Fv/Fm chlorophyll-a f ...
DOI:
10.1016/j.jplph.2008.05.005
PubMed:
18602722

3. Accumulation of photosynthesis gene transcripts in response to sodium chloride by salt-tolerant alfalfa cells

Author:
Winicov, I.; Button, J.D.
Source:
Planta 1991 v.183 no.4 pp. 478-483
ISSN:
0032-0935
Subject:
Medicago sativa; cell lines; chloroplast DNA; chlorophyll; salt tolerance; gene expression; messenger RNA; plastids; salinity; culture media; sodium chloride; polypeptides; photosynthesis; genes
DOI:
10.1007/BF00194267
PubMed:
24193839

4. A High Leaf-Starch Mutant in Alfalfa Has Altered Invertase Activity

Author:
Das, Shankar B.; Bowley, Stephen R.; McKersie, Bryan D.
Source:
Crop science 1998 v.38 no.3 pp. 722-728
ISSN:
0011-183X
Subject:
necrosis; gene interaction; genes; inheritance (genetics); roots; source-sink relationships; carbohydrate metabolism; phenotype; starch; mesophyll; leaves; translocation (plant physiology); phloem; beta-fructofuranosidase; enzyme activity; isozymes; Medicago sativa; mutants; chemical constituents of plants; chlorophyll; chloroplasts
Abstract:
... A mutant phenotype isolated from alfalfa (Medicago sativa L) cv. Excalibur appeared to have dramatic changes in source-sink relations and the partitioning of carbohydrates. Leaves emerged normally, but starch accumulatedin the chloroplasts of the palisade mesophyll cells with maturity. Subsequently the cells of the palisade layer lost chlorophyll, exhibited ultrastructural symptoms of senescence, ...
DOI:
10.2135/cropsci1998.0011183X003800030018x

5. Alfalfa responses to foliar and soil applications of manganese

Author:
Heckman, J.R.; Ingerson-Mahar, J.M.; Lee, D.L.; Prostko, E.P.
Source:
Communications in soil science and plant analysis 1993 v.24 no.7/8 pp. 559-572
ISSN:
0010-3624
Subject:
manganese; manganese sulfate; nutrient deficiencies; Medicago sativa; foliar application; chlorophyll; leaves; New Jersey
DOI:
10.1080/00103629309368823

6. Alfalfa response to heat stress is modulated by microRNA156

Author:
Matthews, Craig; Arshad, Muhammad; Hannoufa, Abdelali
Source:
Physiologia plantarum 2019 v.165 no.4 pp. 830-842
ISSN:
0031-9317
Subject:
Medicago sativa; RNA interference; alfalfa; anthocyanins; antioxidants; chlorophyll; crop production; cultivars; forage; forage crops; genes; genotype; growth and development; heat; heat stress; heat tolerance; livestock feeds; plant development; plant growth; stress response; stress tolerance; temperature; transcription factors; transgenic plants; water potential
Abstract:
... Heat stress and extreme temperatures negatively affect plant development by disrupting regular cellular and biochemical functions, ultimately leading to reduced crop production. Alfalfa (Medicago sativa) is an important forage crop grown worldwide as forage for livestock feed. Limiting the effects of abiotic stress by developing alfalfa cultivars that are stress tolerant would help mitigate losses ...
DOI:
10.1111/ppl.12787

7. Alterations in photosynthetic capacity and morpho-histological features of leaf in alfalfa plants subjected to water deficit-stress in different soil types

Author:
Mickky, Bardees M.; Abbas, Muhammad A.; El-Shhaby, Omar A.
Source:
Indian journal of plant physiology 2018 v.23 no.3 pp. 426-443
ISSN:
0019-5502
Subject:
Medicago sativa; alfalfa; biomass; carotenoids; chlorophyll; chloroplasts; drought; fructose; glucose; growth and development; leaves; phloem; photosystem II; pigments; plant development; plant growth; sand; soil types; starch granules; sucrose; transmission electron microscopy; trehalose; vigor; water content; xylem vessels
Abstract:
... Water deficit can greatly influence plant growth and development. A pot trial was conducted to study the impact of various levels of water deficit on alfalfa (Medicago sativa L.) plants grown in different soil types. The results elucidated that increasing drought level and/or sand proportion in the cultivation soil reduced leaf growth vigor as indicated by declined number of leaves per plant as we ...
DOI:
10.1007/s40502-018-0383-7

8. An Approach of Improving Plant Salt Tolerance of Lucerne (Medicago sativa) Grown Under Salt Stress: Use of Bio-inoculants

Author:
Baha, Nassima; Bekki, Abdelkader
Source:
Journal of plant growth regulation 2015 v.34 no.1 pp. 169-182
ISSN:
0721-7595
Subject:
Medicago sativa; adverse effects; alfalfa; arid lands; carotenoids; chlorophyll; leaf area; leaves; pigments; plant growth-promoting rhizobacteria; potassium; proteins; salinity; salt stress; salt tolerance; shoots; sodium; sodium chloride; soil salinity; solutes; sowing; vegetative growth; water content
Abstract:
... This study was conducted to examine the effects of the combined application of rhizobial strains and plant growth-promoting rhizobacteria at different ratios on growth and salt tolerance of lucerne. Vegetative growth, relative water content, photosynthetic pigments and organic and inorganic solute contents in leaves were measured after 6 weeks of sowing. The results showed that bacterial inoculati ...
DOI:
10.1007/s00344-014-9455-8

9. A normalizált vegetációs index (NDVI) mérésének módszertani vizsgálata lucernában (Medicago sativa L.)

Author:
Vig, Róbert; Dobos, Attila; Nagy, János
Source:
Növénytermelés 2011 v.60 no.3 pp. 111-126
ISSN:
2060-8543
Subject:
Medicago sativa; alfalfa; attitudes and opinions; chlorophyll; environmental factors; humidity; models; nitrogen; normalized difference vegetation index; optical equipment; space and time; temperature
Abstract:
... Summary The chlorophyll content and level of nitrogen supply of the crop stand can also be measured indirectly with non-destructive optical instruments that make it possible to map a crop stand and to replenish nitrogen in a differentiated way. GreenSeeker Model 505 measures the relative chlorophyll content in the form of vegetation index (NDVI) which is calculated on the basis of the intensity of ...
DOI:
10.1556/Novenyterm.60.2011.3.6

10. Characterization of physiological responses of two alfalfa half-sib families with improved salt tolerance

Author:
Rokebul Anower, M.; Mott, Ivan W.; Peel, Michael D.; Wu, Yajun
Source:
Plant physiology and biochemistry 2013 v.71 pp. 103-111
ISSN:
0981-9428
Subject:
Medicago sativa; alfalfa; calcium; chlorophyll; cultivars; electrical conductivity; forage crops; homeostasis; leaves; magnesium; managers; physiological response; potassium; saline soils; salinity; salt stress; salt tolerance; shoots; sodium; soil salinity; water content
Abstract:
... Alfalfa (Medicago sativa L.) is a major forage crop worldwide that is relatively sensitive to soil salinity. Improved cultivars with high production on saline soil will benefit many producers and land managers. This study reports the characterization of physiological responses of two unrelated experimental alfalfa half-sib families, HS-A and HS-B, selected for their improved survival under saline ...
DOI:
10.1016/j.plaphy.2013.06.026
PubMed:
23911728

11. Comparative Drought Response in Eleven Diverse Alfalfa Accessions

Author:
Anower, M. R.; Boe, A.; Auger, D.; Mott, I. W.; Peel, M. D.; Xu, L.; Kanchupati, P.; Wu, Y.
Source:
Journal of agronomy and crop science 2017 v.203 no.1 pp. 1-13
ISSN:
0931-2250
Subject:
Medicago sativa; alfalfa; biomass production; chlorophyll; cultivars; drought; drought tolerance; greenhouse experimentation; leaves; rangelands; root growth; stem elongation; transpiration; water content; water stress; water supply; water use efficiency; Grand River National Grassland; South Dakota
Abstract:
... Alfalfa (Medicago sativa L.) production is negatively affected by drought stress. This is particularly true for alfalfa grown on non‐irrigated rangelands. Thus, the development of drought‐tolerant alfalfa cultivars is of great significance. A greenhouse study was conducted to evaluate 11 alfalfa accessions including several that are adapted to rangeland conditions and two commercial accessions, fo ...
DOI:
10.1111/jac.12156

12. Effect of Heat Stress on Growth and Physiological Traits of Alfalfa (<i>Medicago sativa</i> L.) and a Comprehensive Evaluation for Heat Tolerance

Author:
Wassie, Misganaw; Zhang, Weihong; Zhang, Qiang; Ji, Kang; Chen, Liang
Source:
Agronomy 2019 v.9 no.10
ISSN:
2073-4395
Subject:
Medicago sativa; alfalfa; biomass; chlorophyll; cultivars; electrolyte leakage; fluorescence; forage legumes; heat stress; heat tolerance; malondialdehyde; night temperature; photosynthesis; seedlings; sugars; thermosensitivity; water content; Gibraltar
Abstract:
... Alfalfa (Medicago sativa L.) is a valuable forage legume, but its production is largely affected by high temperature. In this study, we investigated the effect of heat stress on 15 alfalfa cultivars to identify heat-tolerant and -sensitive cultivars. Seedlings were exposed to 38/35 °C day/night temperature for 7 days and various parameters were measured. Heat stress significantly reduced the b ...
DOI:
10.3390/agronomy9100597

13. Effect of O3 and CO2 Levels on Growth, Biochemical and Nutrient Parameters of Alfalfa (Medicago Sativa)

Author:
Al-Rawahy, Salim H.; Sulaiman, Hameed; Farooq, Sardar A.; Karam, M.F.; Sherwani, Neelam
Source:
APCBEE procedia 2013 v.5 pp. 288-295
ISSN:
2212-6708
Subject:
Medicago sativa; alfalfa; carbon dioxide; chlorophyll; leaves; oxidation; ozone; photosynthesis; production functions; seedlings; trees
Abstract:
... The effects of elevated levels (40, 80 and 120 ppb) of ozone and elevated levels (350, 400 and 450 ppb) of carbon dioxide, alone and in combination, were studied on the germinated young tree seedling of Medicago sativa. Parameters related to growth, biochemical and leaf nutrient parameters were measured using standard methods. The results showed that elevated CO2 has an ameliorative effect on the ...
DOI:
10.1016/j.apcbee.2013.05.050

14. Effect of Tree-Row Mulching on Soil Characteristics as well as Growth and Development of Pear Trees

Author:
Han, X.; Li, Y. L.; Wang, L. F.; Liu, S. L.; Zhang, J. G.
Source:
Acta horticulturae 2015 no.1094 pp. 299-306
ISSN:
0567-7572
Subject:
Festuca arundinacea; Medicago sativa; Poa annua; Pyrus pyrifolia; Zea mays; air temperature; alfalfa; boron; chlorophyll; copper; corn stover; firmness; growth and development; leaf area; leaves; manganese; mulches; mulching; nutrient content; organic matter; pears; plastic film; soil depth; soil nutrients; titratable acidity; trees; water holding capacity; zinc
Abstract:
... The effect of mulching with different materials in the tree row was studied on soil physical and chemical characteristics as well as growth and development of five- to seven-year-old ‘Whangkeumbae’ (Pyrus pyrifolia) pear trees. Treatments included purple alfalfa (Medicago sativa), tall fescue (Festuca arundinacea), bluegrass (Poa annua), corn stalk (Zea mays), white or black plastic films and ...
DOI:
10.17660/ActaHortic.2015.1094.38

15. Effects of decomposing leaf litter of Leucaena leucocephala on photosynthetic traits of Cynodon dactylon and Medicago sativa

Author:
Chen, Fangqing; Liu, Kunhui; Xie, Zongqiang; Liu, Meng; Chen, Chen
Source:
New forests 2018 v.49 no.5 pp. 667-679
ISSN:
0169-4286
Subject:
Cynodon dactylon; Leucaena leucocephala; Medicago sativa; allelopathy; carbon dioxide; carotenoids; cell respiration; chlorophyll; ecological restoration; introduced species; photosynthesis; pigments; plant litter; seedlings; stomatal conductance; sugar content; China
Abstract:
... Leucaena leucocephala is an introduced species, which has been widely used in mountain ecological restoration in southwestern China. To investigate the allelopathic effects of decomposing L. leucocephala leaf litter, the photosynthetic physiology of seedlings of two recipient plants, Cynodon dactylon and Medicago sativa, were measured in this controlled study. As the amount of decomposing L. leuco ...
DOI:
10.1007/s11056-018-9651-7

16. Effects of exogenous application of abscisic acid on membrane stability, osmotic adjustment, photosynthesis and hormonal status of two lucerne (Medicago sativa L.) genotypes under high temperature stress and drought stress

Author:
An, Yuan; Zhou, Peng; Liang, Jinfeng
Source:
Crop & pasture science 2014 v.65 no.3 pp. 274-286
ISSN:
1836-0947
Subject:
Medicago sativa; abscisic acid; alfalfa; chlorophyll; drought; electrolytes; foliar application; genotype; heat stress; heat tolerance; leaf water potential; leaves; photosynthesis; physiological response; roots; soil water; stomatal conductance; temperature; water stress
Abstract:
... This study was designed to examine effects of high temperature, drought and exogenous abscisic acid (ABA) on membrane stability, osmotic adjustment, photosynthesis and the hormone status of two lucerne (alfalfa, Medicago sativa L.) genotypes contrasting in heat tolerance: Ameristand 801S (AS801) (heat-tolerant), and Aohan (heat-sensitive), The results showed that AS801 had lower electrolyte leakag ...
DOI:
10.1071/CP13162

17. Effects of PGPR microbial inoculants on the growth and soil properties of Avena sativa, Medicago sativa, and Cucumis sativus seedlings

Author:
Li, Haiyun; Qiu, Yizhi; Yao, Tuo; Ma, Yachun; Zhang, Huirong; Yang, Xiaolei
Source:
Soil & tillage research 2020 v.199 pp. 104577
ISSN:
0167-1987
Subject:
Acinetobacter calcoaceticus; Alternaria solani; Avena sativa; Bipolaris sorokiniana; Cucumis sativus; Fusarium oxysporum; Helminthosporium; Medicago sativa; Providencia rettgeri; Serratia plymuthica; alfalfa; alkaline phosphatase; beta-fructofuranosidase; biofertilizers; biological control; catalase; chlorophyll; crop yield; cucumbers; enzyme activity; indole acetic acid; nitrogen; nutrient content; oats; organic carbon; peroxidase; phosphates; phosphorus; plant growth; plant growth-promoting rhizobacteria; plant height; potassium; rhizosphere; seedlings; soil enzymes; soil properties; superoxide dismutase; surface area; urease
Abstract:
... Plant growth promoting rhizobacteria (PGPR) are an important bacterial resource for microbial fertilizers, which can promote plant growth and increase crop yields. In this study, multifunctional PGPR microbial inoculants with the ability to fix nitrogen, solubilize phosphate, secrete indole-3-acetic acid (IAA) and exhibit biological control were generated. These PGPR microbial inoculants contained ...
DOI:
10.1016/j.still.2020.104577

18. Effects of sulphur supply on the morphology of shoots and roots of alfalfa (Medicago sativa L.)

Author:
Wang, Y.F.; Wang, S.P.; Cui, X.Y.; Chen, Z.Z.; Schnug, E.; Haneklau, S.
Source:
Grass and forage science 2003 v.58 no.2 pp. 160-167
ISSN:
0142-5242
Subject:
sulfur; chlorophyll; root systems; plant nutrition; Medicago sativa; leaf area; dry matter partitioning; soil fertility; root growth; leaves; shoots; China
Abstract:
... A sulphur (S)-deficient top soil was used in a pot experiment to investigate the effect of S supply on shoot and root growth and development in alfalfa (Medicago sativa L.). The treatments consisted of three rates of addition of S: 0, 20 and 40 mg kg-1 soil and each was replicated four times. Alfalfa was harvested at 15, 30, 45, 60 and 75 d after seedling emergence. By the end of the experiment, p ...
DOI:
10.1046/j.1365-2494.2003.00366.x

19. Effects of water deficit on growth, nodulation and physiological and biochemical processes in Medicago sativa-rhizobia symbiotic association

Author:
Mouradi, Mohammed; Farissi, Mohamed; Bouizgaren, Abdelaziz; Makoudi, Bouchra; Kabbadj, Ablaa; Very, Anne-Aliénor; Sentenac, Hervé; Qaddourya, Ahmed; Ghoulam, Cherki
Source:
Arid land research and management 2016 v.30 no.2 pp. 193-208
ISSN:
1532-4990
Subject:
Medicago sativa; alfalfa; biochemical pathways; biomass; chlorophyll; drought; field capacity; fluorescence; greenhouse production; irrigation management; leaves; membrane permeability; nitrogen content; nodulation; oases; photosystem II; seedlings; stomatal conductance; water content; water stress
Abstract:
... The effects of water deficit on growth, nodulation, and several physiological and biochemical processes in six symbiotic combinations involving three Moroccan alfalfa (Medicago sativa L.) populations (Tafilalet1, Adis-Tata and Demnate2), an American Moapa variety and two rhizobial strains (RhL9 and RhL10) were studied. The experiment was conducted under greenhouse conditions. Seedlings were separa ...
DOI:
10.1080/15324982.2015.1073194

20. Endogenous NO-mediated transcripts involved in photosynthesis and carbohydrate metabolism in alfalfa (Medicago sativa L.) seedlings under drought stress

Author:
Zhao, Ying; Wei, Xiaohong; Ji, Xiangzhuo; Ma, Wenjing
Source:
Plant physiology and biochemistry 2019 v.141 pp. 456-465
ISSN:
0981-9428
Subject:
Medicago sativa; alfalfa; autotrophs; biosynthesis; carbon dioxide fixation; chlorophyll; drought; drought tolerance; forage crops; gene expression regulation; genes; nitric oxide; photosynthesis; plant development; plant growth; seedlings; sequence analysis; sugar content; transcriptome; transferases; water stress
Abstract:
... Alfalfa (Medicago sativa L.) is an important perennial legume and used as a forage crop worldwide, and has extensive resistance to various abiotic stresses. Nitric oxide (NO) plays a critical role in response to external and internal cues to regulate plant growth and development. However, endogenous NO-mediated molecular mechanisms of drought tolerance in alfalfa is poorly understood. To get a dee ...
DOI:
10.1016/j.plaphy.2019.06.023