Effects of water stress on growth, dry matter allocation and water-use efficiency of a leguminous species, Sophora davidii

Li, F. L.; Bao, Weikai; Wu, Ning

doi:10.1007/s10457-008-9199-1

Cited by 64 publications

(36 citation statements)

References 35 publications

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“…Among them, drought is widely known as the main factor that limits plants' growth, productivity and development (Reddy et al, 2004;Shao et al, 2008;Li et al, 2009). Recently, drought occured frequently all over the globe due to climate changes (Khaine and Woo, 2015).…”

Section: Introductionmentioning

confidence: 99%

Plants responses to drought and shade environments

Kwon¹,

Woo²

2016

Afr. J. Biotechnol.

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Water and light are the most important environements for plants' growth. These environemts are critical factors needed not only for the survival of plants but also their production. When plants are exposed to drought condition, they change in their anatomical, physiological and biochemical properties. Drought affects plants wildly from their cell structure to growth. It causes higher plastoglobuli, lower starch grain, distortion of thylakoids, disrupted grana and swelling of chloroplast. Plants grown under enhanced light, have increased palisade parenchyma, thicker leaf, higher biomass, increased photosynthesis, lower contents of chlorophyll, carotenoid and nitrogen.

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Section: Introductionmentioning

confidence: 99%

Plants responses to drought and shade environments

Kwon¹,

Woo²

2016

Afr. J. Biotechnol.

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“…Agroforestry systems with trees or shrub alleys within annual crop fields can be an option to reduce the fragility of certain agricultural production systems (Wick & Tiessen, 2008;Foroughbakhch et al, 2009;Li et al, 2009;Kurppa et al, 2010;Sousa et al, 2010;Lima et al, 2011). Those systems produce a considerable amount of biomass that can be incorporated into the soil, transferring nutrients from the trees to the crops (Bertalot et al, 2010;Munroe & Isaac, 2014).…”

Section: Introductionmentioning

confidence: 99%

Nitrogen symbiotically fixed by cowpea and gliricidia in traditional and agroforestry systems under semiarid conditions

Martins

Freitas

Menezes

et al. 2015

Pesq. agropec. bras.

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-The objective of this work was to estimate the amounts of N fixed by cowpea in a traditional system and by cowpea and gliricidia in an agroforestry system in the Brazilian Northeast semiarid. The experiment was carried out in a randomized complete block design, in a split-plot arrangement, with four replicates, in the semiarid region of the state of Paraíba, Brazil. Plots consisted of agroforestry and traditional systems (no trees), and split-plots of the three crops planted between the tree rows in the agroforestry system. To estimate N fixation, plant samples were collected in the fourth growth cycle of the perennial species and in the fourth planting cycle of the annual species. In the agroforestry system with buffel grass and prickly-pear cactus, gliricidia plants symbiotically fix high proportions of N (>50%) and contribute with higher N amounts (40 kg ha -1 in leaves) than in the traditional system (11 kg ha -1 in grain and 18 kg ha -1 in straw). In the agroforestry system with maize and cowpea, gliricidia plants do not fix nitrogen, and N input is limited to the fixation by cowpea (2.7 kg ha -1 ), which is lower than in the traditional system due to its lower biomass production.Index terms: Gliricidia sepium, Vigna unguiculata, biological nitrogen fixation, natural abundance, 15 N. Nitrogênio fixado simbioticamente por feijão-caupi e gliricídia em sistemas tradicional e agroflorestal sob condições semiáridasResumo -O objetivo deste trabalho foi estimar as quantidades de N fixadas em feijão-caupi em sistema tradicional e em feijão-caupi e gliricídia em sistema agroflorestal, sob condições semiáridas do Nordeste brasileiro. O experimento foi conduzido em blocos ao acaso, em arranjo em parcelas subdivididas, com quatro repetições, no semiárido da Paraíba. As parcelas consistiram dos sistemas agroflorestal e tradicional (sem árvores), e as subparcelas, dos três cultivos entre as linhas das árvores, no sistema agroflorestal. Para estimar a fixação de N, amostras das plantas foram coletadas no quarto ciclo de crescimento das espécies perenes e no quarto ciclo de cultivo das espécies anuais. No sistema agroflorestal com capim-buffel e palma forrageira, a gliricídia fixa simbioticamente altas proporções de N (>50%) e adiciona quantidades maiores de N (40 kg ha -1 nas folhas) que no sistema tradicional (11 kg ha -1 nos grãos e 18 kg ha -1 na palhada). No sistema agroflorestal com milho e feijão-caupi, a gliricídia não fixa N e a adição de N é limitada à fixação no feijão-caupi (2,7 kg ha -1 ), que é menor que no sistema tradicional em razão da sua baixa produção de biomassa.Termos para indexação: Gliricidia sepium, Vigna unguiculata, fixação biológica do nitrogênio, abundância natural, 15 N.

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“…Until now, many researchers clarified numerous effects on plant growth (Ismail et al, 1994;Wang et al, 2009b), dry matter allocation (Yin et al, 2005;Mandal et al, 2006;Wu et al, 2008;Li et al, 2009;Sun et al, 2009;Gerardeaux et al, 2010), photosynthesis (Syros et al, 2004), nutrient concentration and status (Wang et al, 1998;Jose et al, 2003;Slamaa et al, 2008;Keutgen and Pawelzik, 2009). The oil palm (Elaeis guineensis Jacq.)…”

Section: Introductionmentioning

confidence: 99%

Growth and physiological responses to water and nutrient stress in oil palm

Sun¹,

Cao²,

Shao³

et al. 2011

Afr. J. Biotechnol.

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The research was conducted to detect changes in growth, physiology and nutrient concentration in response to two watering regimes (well-watered and water-stress conditions) and to two nutrient regimes (with or without fertilization) of oil palm. Under stress conditions, changes in plant growth, dry matter allocation, relative water content, leaf relative conductivity, leaf N, P and K concentration are usually observed. These characteristics and related parameters were determined and the experiment results are listed as follows: (1) fertilization promoted the growth of oil palm under well-watered conditions, while under water stress conditions its effects on growth was negative. The ratio of root/shoot was increased under water stress condition; (2) relative water content and chlorophyll a/b content were gradually decreased while leaf relative conductivity was increased quickly under water and nutrient stress conditions during the experiment. It is obvious that water stress had a greater influence than nutrient stress on these parameters; (3) water and nutrient stress decreased leaf nitrogen and phosphorus concentration but increased potassium concentration; the combination of water and nutrient stress made significant effects on nitrogen and phosphorus concentration, but no significant effects on potassium concentration. Moreover, deficiency of both water and nutrients in combination had the greatest impact on changes in these traits of oil palm.

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Effects of water stress on growth, dry matter allocation and water-use efficiency of a leguminous species, Sophora davidii

Cited by 64 publications

References 35 publications

Plants responses to drought and shade environments

Plants responses to drought and shade environments

Nitrogen symbiotically fixed by cowpea and gliricidia in traditional and agroforestry systems under semiarid conditions

Growth and physiological responses to water and nutrient stress in oil palm

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