Effects of drought stress on concentration of macro- and micro-nutrients in Castor (<i>Ricinus communis</i> L.) plant

Tadayyon, Ali; Nikneshan, Pejman; Pessarakli, Mohammad

doi:10.1080/01904167.2017.1381126

Cited by 52 publications

(32 citation statements)

References 14 publications

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“…The drought stress was found to induce an increase in Fe [ 58 ] and Mn concentrations [ 25 ]. High concentration of Zn and Cu were also found in the Ahvaz ecotype of the castor species ( Ricinus communis L.) in normal conditions [ 24 ]. The contents of Fe and Zn in the leaf tissue of Chlorophytum borivilianum increased under drought stress [ 59 ].…”

Section: Resultsmentioning

confidence: 99%

“…However, antioxidant enzymes, including some isoenzymes in different cell compartments (cytosol, chloroplasts, and mitochondria), control cellular ROS levels during stress conditions [ 23 ]. Drought stress causes a significant increase (5% probability level) in Na + and K + concentrations [ 24 ] and a decrease in Zn and Cu concentrations [ 25 ]. In addition, increasing concentrations of Ca, Mn, and Fe were observed in the shoots [ 25 ].…”

Section: Introductionmentioning

confidence: 99%

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Molecular and Physio-Biochemical Characterization of Cotton Species for Assessing Drought Stress Tolerance

Hasan

Prodhan

et al. 2018

IJMS

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Drought stress significantly limits cotton growth and production due to the necessity of water at every stage of crop growth. Hence, it is essential to identify tolerant genetic resources and understand the mechanisms of drought tolerance in economically and socially important plants such as cotton. In this study, molecular and physio-biochemical investigations were conducted by analyzing different parameters by following standard protocols in three different cotton species, namely TM-1 (Gossypium hirsutum), Zhongmian-16 (Gossypium arboreum), and Pima4-S (Gossypium barbadense). Drought stress significantly decreased plant growth, chlorophyll content, net photosynthetic rate (Pn), stomatal conductance (Gs), maximum photochemical efficiency of PSII (Fv/Fm), and relative water content. TM-1 resulted in more tolerance than the other two species. The accumulation of proline, soluble proteins, soluble sugars, hydrogen peroxide (H2O2), and superoxide radicals (O2•−) increased significantly in TM-1. In addition, TM-1 maintained the integrity of the chloroplast structure under drought conditions. The relative expression level of drought-responsive genes including coding for transcription factors and other regulatory proteins or enzymes controlling genes (ERF, ERFB, DREB, WRKY6, ZFP1, FeSOD, CuZnSOD, MAPKKK17, P5CR, and PRP5) were higher in TM-1 under drought, conferring a more tolerant status than in Zhongmian-16 and Pima4-S. The findings of this research could be utilized for predicting a tolerant cotton genotype as well as evaluating prospective cotton species in the variety development program.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Molecular and Physio-Biochemical Characterization of Cotton Species for Assessing Drought Stress Tolerance

Hasan

Prodhan

et al. 2018

IJMS

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“…Leaf expansion is detectable 30 min after rewatering, showing that, after 2 days of no expansion, there is still potential to develop [66], and, after 7 days of rewatering, proline and total soluble sugar accumulation decreases, albeit remaining higher than in control plants [11]. Drought stress increases K, Ca, and Na contents in CB plants as the drought severity intensifies and decreases Fe, Cu, Zn, and Mg contents according to genotype [67]. Castor bean's drought resistance makes its cultivation possible without irrigation, thus reducing its costs.…”

Section: Drought Resistancementioning

confidence: 96%

Biofuel Production with Castor Bean: A Win–Win Strategy for Marginal Land

et al. 2020

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The urgency to reduce resource depletion and waste production is expected to lead to an economy based on renewable resources. Biofuels, for instance, are a great green alternative to fossil fuel, but they are currently derived from edible vegetable oils such as soybean, palm, and sunflower. Concerns have been raised about the social–economic implication and ecological impacts of biodiesel production. Cultivating new lands as biodiesel feedstock rather than food supply, with the consequent increase in food prices, leads to so-called indirect land-use change (ILUC). Establishing bioenergy crops with phytoremediation ability on contaminated soils offers multiple benefits such as improving soil properties and ecosystem services, decreasing soil erosion, and diminishing the dispersion of potentially toxic elements (PTEs) into the environment. Castor bean is an unpalatable, high-biomass plant, and it has been widely demonstrated to possess phytoremediation capability for several PTEs. Castor bean can grow on marginal lands not suitable for food crops, has multiple uses as a raw material, and is already used in biodiesel production. These characteristics make it perfect for sustainable biodiesel production. Linking biofuel production with environmental remediation can be considered a win–win strategy.

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“…Drought is the most important physical stress of terrestrial ecosystems and limits vegetation growth, increases wildfires, and induces tree mortality (He et al, 2014). Even drought can impact on macro and micro nutrients in castor (Tadayyon et al, 2018). Yield gap exists between the germ-plasm yield potential and average yield.…”

Section: Introductionmentioning

confidence: 99%

Evaluating drought tolerance of castor ecotypes in the center of Iran

Nikneshan

Tadayyon

Javanmard

2019

Heliyon

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In order to study the reaction of six castor ecotypes to drought stress, a split plot experiment was carried out in randomized complete blocks. Eight indices including stress sensitivity index (SSI), tolerance index (TOL), mean productivity (MP), geometric mean productivity (GMP), harmonic mean (HARM), stress tolerance index (STI), sensitivity drought index (SDI) index and yield index (YI) were calculated for ecotypes by using seed yield in normal condition and under stress. After that, correlations between indices were calculated and dendrogram and biplot results were drawn. Normal yield and stress yield had positive significant correlations with MP, GMP, STI, and HARM indices in mild, moderate and severe stresses. Biplot analysis showed that Isfahan and Naein ecotypes had desirable yield under mild and average stress and Naein had desirable yield under severe stress and also normal condition.

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Effects of drought stress on concentration of macro- and micro-nutrients in Castor (Ricinus communis L.) plant

Cited by 52 publications

References 14 publications

Molecular and Physio-Biochemical Characterization of Cotton Species for Assessing Drought Stress Tolerance

Molecular and Physio-Biochemical Characterization of Cotton Species for Assessing Drought Stress Tolerance

Biofuel Production with Castor Bean: A Win–Win Strategy for Marginal Land

Evaluating drought tolerance of castor ecotypes in the center of Iran

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