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You searched for: Keyword "net assimilation rate" Remove constraint Keyword: "net assimilation rate"
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1. Enhanced Tolerance to Cold in Common Bean Treated with Biostimulant

Author:
Vanessa do Rosário Rosa; Anna Luiza Farias dos Santos; Adinan Alves da Silva; Mariana Peduti Vicentini Sab; Flávio Barcellos Cardoso; Mario Antonio Marin; Marcelo de Almeida Silva
Source:
Gesunde Pflanzen 2021 v.73 no.1 pp. 39-50
ISSN:
0367-4223
Subject:
net assimilation rate,   etc   ; beans; carbon dioxide; chlorophyll; cold tolerance; crop damage; electron transfer; greenhouses; photochemistry; photosystem II;     Show all 10 Subjects
Abstract:
... evaluated. The application of biostimulant made bean plants more tolerant to low temperatures by maintaining CO₂ net assimilation rate (A) and increasing the activity of antioxidant enzymes. The relative chlorophyll content (SPAD index), PSII effective quantum yield of linear electron flux (ϕPSII), apparent electron transport rate (ETR) and photochemical extinction coefficient (qP) were higher in all ...
DOI:
10.1007/s10343-020-00526-2

2. Effects of Mechanically Transplanting Methods and Planting Densities on Yield and Quality of Nanjing 2728 under Rice-Crayfish Continuous Production System

Author:
Zhi Dou; Yangyang Li; Halun Guo; Linrong Chen; Junliang Jiang; Yicheng Zhou; Qiang Xu; Zhipeng Xing; Hui Gao; Hongcheng Zhang
Source:
Agronomy 2021 v.11 no.3 pp. -
ISSN:
2073-4395
Subject:
net assimilation rate,   etc   ; agronomy; amylose; dry matter accumulation; growth performance; leaf area index; panicles; photosynthesis; rice; seedlings; spikelets; China;     Show all 12 Subjects
Abstract:
... ha⁻¹. Compared with MTCS at the same stage, rice tiller dynamics of MTPS first increased and then decreased. Additionally, its dry matter accumulation per stem at jointing, heading, and maturity stages, leaf area index, photosynthetic potential, crop growth rate, and net assimilation rate were all significantly higher relative to MTCS. For each mechanical transplanting method, dry matter ...
DOI:
10.3390/agronomy11030488

3. The effect of transplant age on vegetable growth characteristic in a cylindrical paper pot system

Author:
Chan Xu; Si Hong Kim; Jae Kyung Kim; Jae Yun Heo; Ngoc Thang Vu; Ki Young Choi; Il Seop Kim; Dong Cheol Jang
Source:
Horticulture, environment and biotechnology 2021 v.62 no.3 pp. 313-323
ISSN:
2211-3452
Subject:
net assimilation rate,   etc   ; biotechnology; cabbage; cucumbers; environment; horticulture; leaf area; paper; paprika; seedlings; specific leaf area; tomatoes; vigor;     Show all 13 Subjects
Abstract:
... age, the size of CPP seedlings was smaller pre-transplant but increased to a similar level to the plug seedlings soon after transplanting. The growth curves of leaf area and dry weight of younger CPP seedlings exhibited a steeper rise trend. The seedling vigor indicators, relative growth rate (RGR), net assimilation rate (NAR), were significantly increased in younger CPP seedlings of all vegetables ...
DOI:
10.1007/s13580-020-00318-7

4. Supra-optimal daily mean temperature stimulates plant growth and carbohydrate use in tomato

Author:
Hiroko Yamaura; Keiichi Kanno; Nobuo Takano; Masahide Isozaki; Yasunaga Iwasaki
Source:
Scientia horticulturae 2021 v.276 pp. 109780
ISSN:
0304-4238
Subject:
net assimilation rate,   etc   ; air temperature; carbohydrates; dry matter accumulation; gas exchange; growth chambers; leaf area; light intensity; photosynthesis; solar radiation; tomatoes; vegetative growth;     Show all 12 Subjects
Abstract:
... by a LED source until the cumulative daily mean temperature (CT) reached 2000 °C. Plants were pinched when CT reached 1000 °C to remove the vegetative growth sink. Total dry matter was significantly lower at 30 °C than in the other treatments, although relative growth rate (RGR) increased with increasing temperature. An RGR increase at 30 °C was associated with greater net assimilation rate and leaf area ...
DOI:
10.1016/j.scienta.2020.109780

5. Paternal leakage inheritance and a fitness cost are associated with the chloroplastic psbA gene controlled metribuzin tolerance in lentil (Lens culinaris)

Author:
Larn S. McMurray; Christopher Preston; Albert Vandenberg; Isabel Munoz-Santa; Dili Mao; Kirstin E. Bett; Simon Michelmore; Jeffrey G. Paull
Source:
Euphytica 2021 v.217 no.6 pp. 103
ISSN:
0014-2336
Subject:
net assimilation rate,   etc   ; Brassica napus; Lens culinaris; canola; chloroplasts; flowering; genes; genotyping; grain yield; herbicide resistance; introgression; lentils; metribuzin; mutation; phenotype; weed control;     Show all 16 Subjects
Abstract:
... ). Field experiments with BC₁F₂ and BC₁F₃ lines confirmed this biparental inheritance pattern. Grain yield was reduced by 20–40% in metribuzin tolerant backcrossed lines compared with sensitive lines. Net assimilation rate at the onset of anthesis and plant dry weight at mid anthesis and maturity were also reduced in the tolerant lines suggesting reduced photosynthetic efficiency associated ...
DOI:
10.1007/s10681-021-02841-9

6. Determination of effective method of NPK fertilization in pea (Pisum sativum L.) cultivars grown in Pakistan

Author:
Muniza Sarfraz; Khalid Hussain; Khalid Nawaz; Ghulam Yasin; Zhide Geng; Muhammad Sajjad; Sana Parveen
Source:
Legume research 2021 v.44 no.4 pp. 431-438
ISSN:
0976-0571
Subject:
net assimilation rate,   etc   ; NPK fertilizers; Pisum sativum; antioxidants; carbohydrates; catalase; cultivars; foliar spraying; leaves; nitrogen; peas; peroxidase; phosphorus; photosynthesis; potassium; research; soil; soil treatment; Pakistan;     Show all 19 Subjects
Abstract:
... assimilation rate (NAR), photosynthetic pigments, total carbohydrate contents and soluble proteins. Antioxidant activities i.e. catalases (CAT), peroxidase (POD) and yield attributes increased significantly with NPK applications. NPK foliar application showed better result only for the higher relative growth rate (RGR) and net assimilation rate (NAR). It was noted that NPK soil applications were more ...
DOI:
10.18805/LR-570

7. Foliar application of silicon improves growth of soybean by enhancing carbon metabolism under shading conditions

Author:
Sajad Hussain; Maryam Mumtaz; Sumaira Manzoor; Li Shuxian; Irshan Ahmed; Milan Skalicky; Marian Brestic; Anshu Rastogi; Zaid Ulhassan; Iram Shafiq; Suleyman I. Allakhverdiev; Haris Khurshid; Wenyu Yang; Weiguo Liu
Source:
Plant physiology and biochemistry 2021 v.159 pp. 43-52
ISSN:
0981-9428
Subject:
net assimilation rate,   etc   ; carbon dioxide; carbon metabolism; chlorophyll; continuous cropping; foliar application; intercropping; photosynthesis; root shoot ratio; silicon; soybeans; stomatal conductance; sucrose; surface area;     Show all 14 Subjects
Abstract:
... An experiment was set up to investigate physiological responses of soybeans to silicon (Si) under normal light and shade conditions. Two soybean varieties, Nandou 12 (shade resistant), and Nan 032–4 (shade susceptible), were tested. Our results revealed that under shading, the net assimilation rate and the plant growth were significantly reduced. However, foliar application of Si under normal ...
DOI:
10.1016/j.plaphy.2020.11.053

8. Individual and Combined Effects of Booting and Flowering High-Temperature Stress on Rice Biomass Accumulation

Author:
Aqib Mahmood; Wei Wang; Iftikhar Ali; Fengxian Zhen; Raheel Osman; Bing Liu; Leilei Liu; Yan Zhu; Weixing Cao; Liang Tang
Source:
Plants 2021 v.10 no.5 pp. -
ISSN:
2223-7747
Subject:
net assimilation rate,   etc   ; biomass production; climate change; cultivars; grain yield; harvest index; heat; heat stress; heat tolerance; leaf area index; photosynthates; photosynthesis; rice; temperature;     Show all 14 Subjects
Abstract:
... showed that high temperature had a significant negative effect on mean net assimilation rate (MNAR), harvest index (HI), and grain yield per plant (YPP), and a significant positive effect under treatment T₃ on mean leaf area index (MLAI) and duration of photosynthesis (DOP), and no significant effect on biomass per plant at maturity (BPPM), except at the flowering stage. Negative linear relationships ...
DOI:
10.3390/plants10051021

9. Nitrate and ammonium differ in their impact on δ¹³C of plant metabolites and respired CO₂ from tobacco leaves

Author:
Shiva Ghiasi; Marco M. Lehmann; Franz-W. Badeck; Jaleh Ghashghaie; Robert Hänsch; Rieke Meinen; Sebastian Streb; Meike Hüdig; Michael E. Ruckle; Dániel Á. Carrera; Rolf T. W. Siegwolf; Nina Buchmann; Roland A. Werner
Source:
Isotopes in environmental and health studies 2021 v.57 no.1 pp. 11-34
ISSN:
1477-2639
Subject:
net assimilation rate,   etc   ; ammonium; biomass; carbon; carbon dioxide; gas exchange; leaves; malates; malic enzyme; metabolites; nitrate reductase; nitrates; phosphoenolpyruvate carboxylase; starch; tobacco; tricarboxylic acid cycle;     Show all 16 Subjects
Abstract:
... CO₂, and activities of key enzymes nitrate reductase, malic enzyme and phosphoenolpyruvate carboxylase. Net assimilation rate, dry biomass and concentrations of organic acids and starch decreased along the gradient. In contrast, respiration rates, concentrations of intercellular CO₂, soluble sugars and amino acids increased. As decreased, activities of all measured enzymes decreased. δ¹³C of CO ...
DOI:
10.1080/10256016.2020.1810683

10. Physiological responses of sun choke’s seedlings under different wavelength LED lighting

Author:
Thitima Seedapalee; Chaiartid Inkham; Soraya Ruamrungsri; Sanun Jogloy; Panupon Hongpakdee
Source:
Scientia horticulturae 2021 v.282 pp. 110029
ISSN:
0304-4238
Subject:
net assimilation rate,   etc   ; Helianthus tuberosus; Jerusalem artichokes; blue light; canopy; chlorophyll; fluorescence; internode length; lighting; photochemistry; photons; photosynthesis; red light; seedling growth; seedlings; solar radiation; wavelengths;     Show all 17 Subjects
Abstract:
... ⁻¹, respectively). Morphological appearances of seedlings were significantly different, The R and R + B lighting significantly reduced seedling height and internode length when compare with NL. In contrast, B light could enhance JA seedling growth by increase stem dry weight and net assimilation rate (NAR). Photosynthetic efficiency in terms of photochemical quenching (qP) of seedling were higher under B light ...
DOI:
10.1016/j.scienta.2021.110029

11. 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:
net assimilation rate,   etc   ; agroforestry; agronomy; beans; canopy; forests; leaf area; leaf mass; microclimate; plant communities; radiation use efficiency; solar radiation; soybeans; specific leaf area; trees; understory; Brazil;     Show all 17 Subjects
Abstract:
... of agroforestry and full sun. To these ends, two field experiments were conducted in Southern Brazil: bean in‐season and soybean off‐season. Absolute and relative growth rates, net assimilation rate, leaf weight ratio, leaf area ratio, specific leaf area, radiation use efficiency and yield of bean and soybean were assessed. The solar radiation flux was modified by plant arrangement and tree canopy ...
DOI:
10.1111/jac.12450

12. Biomass, chlorophyll fluorescence, and osmoregulation traits let differentiation of wild and cultivated Amaranthus under water stress

Author:
Erandi Vargas-Ortiz; Hugo Magdaleno Ramírez-Tobias; Jorge Luis González-Escobar; Ana K. Gutiérrez-García; Esaú Bojórquez-Velázquez; Eduardo Espitia-Rangel; Ana Paulina Barba de la Rosa
Source:
Journal of photochemistry and photobiology 2021 v.220 pp. 112210
ISSN:
1011-1344
Subject:
net assimilation rate,   etc   ; betacyanins; biomass; chlorophyll; domestication; drought; electron transfer; gene expression; genes; nutritive value; osmoregulation; photobiology; photochemistry; photosynthesis; proline; pyruvate carboxylase; stomatal conductance; water stress; weeds;     Show all 19 Subjects
Abstract:
... species, drought stress reduced net assimilation rate (A), transpiration rate (E), stomatal conductance (gₛ), and the expression of phosphoenol pyruvate carboxylase (PEPC). While, maximum quantum efficiency (Fᵥ/Fₘ), chlorophyll, betacyanins, and the expression of ribulose1–5, bisphosphate carboxylase/oxygenase large subunit (LSU) did not change when plants were subjected to water stress. Likewise, both ...
DOI:
10.1016/j.jphotobiol.2021.112210

13. Abiotic and biotic factors contribute to CO2 exchange variation at the hourly scale in a semiarid maize cropland

Author:
Chaoqun Li; Wenting Han; Manman Peng; Mengfei Zhang
Source:
Science of the total environment 2021 v.784 pp. 147170
ISSN:
0048-9697
Subject:
net assimilation rate,   etc   ; air; algorithms; carbon; carbon dioxide; corn; cropland; equations; global carbon budget; heat; humidity; leaf area; photosynthetically active radiation; prediction; soil temperature; soil water content;     Show all 16 Subjects
Abstract:
... Understanding the variables influencing the carbon budget in agricultural ecosystems is crucial for the prediction of future carbon dynamics. The purpose of this study was to identify the biotic and abiotic determinants of the net ecosystem CO₂ exchange (NEE) and net assimilation rate (NPP) in a semiarid maize cropland. The CO₂ exchange (NEE and NPP) was measured at different growth stages ...
DOI:
10.1016/j.scitotenv.2021.147170

14. CO2 exchange, dry matter accumulation and growth response of sorghum (Sorghum bicolor L. Moench) to terminal drought as affected by potassium and blended‐NPSBZn fertilization

Author:
Solomon Endris; Masresha Fetene; Tilahun Amede
Source:
Journal of agronomy and crop science 2021 v.207 no.3 pp. 450-464
ISSN:
0931-2250
Subject:
net assimilation rate,   etc   ; Sorghum bicolor; agronomy; carbon dioxide; drought; dry matter accumulation; fertilizers; flowering; gas exchange; grain sorghum; leaves; photosynthesis; potassium; rain; water stress; water use efficiency; Ethiopia;     Show all 17 Subjects
Abstract:
... was recorded at maturity in response to blended fertilizer and K inputs. Increasing supply of NPSBZn‐blended fertilizer was associated with declining leaf K content, increasing intercellular CO₂ concentration and water use efficiency (WUE) during anthesis. Significant variations in crop growth rates were also observed in response to K and BF inputs. At physiological maturity, net assimilation rate (NAR ...
DOI:
10.1111/jac.12469

15. Intraspecific variations in leaf traits, productivity and resource use efficiencies in the dominant species of subalpine evergreen coniferous and deciduous broad‐leaved forests along the altitudinal gradient

Author:
Kouki Hikosaka; Hiroko Kurokawa; Takahisa Arai; Sakino Takayanagi; Hiroshi O. Tanaka; Soichiro Nagano; Tohru Nakashizuka
Source:
journal of ecology 2021 v.109 no.4 pp. 1804-1818
ISSN:
0022-0477
Subject:
net assimilation rate,   etc   ; Abies mariesii; Fagus crenata; Japan; altitude; broadleaved trees; conifers; dominant species; ecological function; economics; habitats; leaves; longevity; mountains; nitrogen; radiation use efficiency; specific leaf weight;     Show all 17 Subjects
Abstract:
... ) and nitrogen concentrations were higher at higher altitudes. The net assimilation rate and light use efficiency during the growing season were greater at higher altitudes, which compensated for the shorter growing season in terms of annual productivity. In A. mariesii, the LMA was lower and the leaf life span was unchanged at higher altitudes. Productivity and resource use efficiency decreased with altitude ...
DOI:
10.1111/1365-2745.13603

16. Heat stress resistance drives coordination of emissions of suites of volatiles after severe heat stress and during recovery in five tropical crops

Author:
Chikodinaka N. Okereke; Bin Liu; Eve Kaurilind; Ülo Niinemets
Source:
Environmental and experimental botany 2021 v.184 pp. 104375
ISSN:
0098-8472
Subject:
net assimilation rate,   etc   ; biochemical pathways; deterioration; emissions; heat; heat stress; heat tolerance; heat treatment; isoprene; leaves; lipoxygenases; monoterpenoids; photosynthesis; sesquiterpenoids; stress response; stress tolerance; tropical and subtropical crops; volatile organic compounds;     Show all 18 Subjects
Abstract:
... and elicitation of stress-induced volatiles through a 48 h recovery period upon return to non-stressed conditions. Overall, heat shock application resulted in a major inhibition of net assimilation rate similarly in all species indicating cellular damage and photosynthetic decay. However, species strongly varied in photosynthetic recovery with A. hybridus recovering the most and S. aethiopicum the least. Heat ...
DOI:
10.1016/j.envexpbot.2021.104375

17. Inoculation of nitrogen fixing bacteria in conjugation with integrated nitrogen sources induced changes in phenology, growth, nitrogen assimilation and productivity of wheat crop

Author:
Imadud Din; Hamayoon Khan; Nazir Ahmad Khan; Aka Khil
Source:
Journal of the Saudi Society of Agricultural Sciences 2021 pp. -
ISSN:
1658-077X
Subject:
net assimilation rate,   etc   ; Azospirillum; Azotobacter; Pseudomonas; Rhizobium; animal manures; biofertilizers; flowering; grain yield; harvest index; leaf area; nitrogen; nitrogen content; nutrient use efficiency; phenology; pollution; regression analysis; soil minerals; urea; wheat; Pakistan;     Show all 21 Subjects
Abstract:
... various combinations of farmyard manure (FYM) and urea on days to anthesis, days to physiological maturity, leaf area duration (LAD), crop growth rate (CGR), net assimilation rate (NAR), physiological N use efficiency (PNUE), apparent N re-translocation (ANR), relative N accumulation rate (RN), N harvest index (NHI) and grain yield of wheat crop under the environmental conditions of Northern Pakistan ...
DOI:
10.1016/j.jssas.2021.05.008

18. Responses of photosynthetic characteristics and dry matter formation in waxy sorghum to row ratio configurations in waxy sorghum-soybean intercropping systems

Author:
Can Wang; Lingbo Zhou; Guobing Zhang; Jie Gao; Fangli Peng; Chunlan Zhang; Yan Xu; Liyi Zhang; Mingbo Shao
Source:
Field crops research 2021 v.263 pp. 108077
ISSN:
0378-4290
Subject:
net assimilation rate,   etc   ; Glycine max; Sorghum bicolor; canopy; chlorophyll; dry matter accumulation; field experimentation; grain sorghum; grain yield; intercropping; leaf area index; leaf chlorophyll content; microclimate; photosynthesis; photosynthetically active radiation; row spacing; sole cropping; soybeans; stomatal conductance;     Show all 19 Subjects
Abstract:
... In intercropping systems, microclimate environment, especially light environment induced by row ratio configurations, is crucial to crop productivity. However, little information is available on how waxy sorghum canopy light environment is affected by row ratio configurations in waxy sorghum-soybean intercropping systems. Hence, field experiments were conducted in 2019 and 2020 to study the respon ...
DOI:
10.1016/j.fcr.2021.108077

19. Silver-nanoparticle and abscisic acid modulate sub1A quantitative trait loci functioning towards submergence tolerance in rice (Oryza sativa L.)

Author:
Indraneel Saha; Mirza Hasanuzzaman; Debabrata Dolui; Debdas Sikdar; Subhas Chandra Debnath; Malay Kumar Adak
Source:
Environmental and experimental botany 2021 v.181 pp. 104276
ISSN:
0098-8472
Subject:
net assimilation rate,   etc   ; NAD(P)H oxidase (H2O2-forming); NADP (coenzyme); Oryza sativa; abscisic acid; alcohol dehydrogenase; anaerobiosis; beta-fructofuranosidase; chlorophyll; ethylene; flavonoids; flooding tolerance; genotype; hydrogen peroxide; lycopene; nanosilver; phenolic compounds; phosphorylase; proline; quantitative trait loci; rice; seedlings; starch; submergence; sucrose synthase; water content;     Show all 26 Subjects
Abstract:
... for 5 days. sub1A QTL regulatory APETALA2/ETHYLENE RESPONSE FACTOR (AP2/ERF) expression was mitigated for both genotypes under submergence; however, retrieved with Ag-NP(+) and ABA(+) variably. ABA(+) had recorded affirmative responses than Ag-NP(+) in net assimilation rate, relative growth rate, chlorophyll content, and metal accumulation under stress. cv. Swarna Sub1 under submergence had better ...
DOI:
10.1016/j.envexpbot.2020.104276

20. Blessed Thistle Growth, Essential Oil Content, Yield and Composition as Influenced by Plant Density and Nitrogen Fertilizer

Author:
Mehdi Ghiasy-Oskoee; Majid AghaAlikhani; Fatemeh Sefidkon; Ali Mokhtassi-Bidgoli; Mahdi Ayyari
Source:
Journal of essential oil-bearing plants 2020 v.23 no.2 pp. 276-291
ISSN:
0976-5026
Subject:
net assimilation rate,   etc   ; Centaurea benedicta; essential oils; leaf area; lipid content; nitrogen fertilizers; plant density; plant height;     Show all 8 Subjects
Abstract:
... growth rate), LAR (leaf area ratio), NAR (net assimilation rate), as growth variables along with blessed thistle essential oil content, yield and compositions in two growing seasons. A three replicated factorial combination of plant densities (5, 10, 15, 20 and 25 plants m⁻²) and N levels (0, 50, 100 and 150 kg ha⁻¹) in a randomized complete-block design were conducted. Addition of 100 kg N ha⁻¹with 15 ...
DOI:
10.1080/0972060X.2020.1747553