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Zno Affects Soybean Grain Yield, Oil Quantity and Quality and Leaf Antioxidant Activity in Drought Stress Conditions
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نویسنده
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Joorabi Sima ,Eisvand Hamid Reza ,Ismaili Ahmad ,Nasrolahi Aliheidar
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منبع
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فرآيند و كاركرد گياهي - 2020 - دوره : 8 - شماره : 34 - صفحه:61 -70
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چکیده
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Lack of available water in arid and semiarid regions has a negative effect on the production of soybean (glycine max l.). nano zinc chelate (zno) has the potential to alleviate this issue through overcoming zinc deficiency and thereby improve plant function. therefore, to evaluate the effectiveness of zno application on soybean in drought stress conditions, a splitplot experiment based on randomized complete block design was conducted. irrigation treatments (100%, 80%, 60% and 40% water requirement) was the main plot and foliar application of nanozinc (2ml.l1 foliar treatment vs. noapplication control) was the subplot. the results showed that drought stress had negative effects on plant yield and productivity. under drought, grain yield, seed oil percentage, oil yield, palmitic acid, stearic acid, cisoleic acid and linoleic acid were decreased. zno application significantly increased proline content, catalase and peroxidase activities. however, the percentage of palmitic acid, stearic acid, linoleic acid and alpha;linoleic acid decreased with the zno foliar spray. in general, results showed that, zno treatment, with enhancing antioxidant enzymes activity and changing physiological parameters decreased adverse effects of drought stress on soybean plants.
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کلیدواژه
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Catalase ,Fatty Acids ,Foliar Spray ,Peroxidase
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آدرس
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Lorestan University, Faculty Of Agriculture, Department Of Agronomy And Plant Breeding, Iran, Lorestan University, Faculty Of Agriculture, Department Of Agronomy And Plant Breeding, Iran, Lorestan University, Faculty Of Agriculture, Department Of Water Engineering, Iran, Lorestan University, Faculty Of Agriculture, Department Of Water Engineering, Iran
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ZnO affects soybean grain yield, oil quantity and quality and leaf antioxidant activity in drought stress conditions
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Authors
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Ismaili Ahmad ,Nasrolahi Aliheidar ,Eisvand Hamid Reza
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Abstract
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Lack of available water in arid and semiarid regions has a negative effect on the production of soybean (Glycine max L.). Nano zinc chelate (ZnO) has the potential to alleviate this issue through overcoming zinc deficiency and thereby improve plant function. Therefore, to evaluate the effectiveness of ZnO application on soybean in drought stress conditions, a splitplot experiment based on randomized complete block design was conducted. Irrigation treatments (100%, 80%, 60% and 40% water requirement) was the main plot and foliar application of nanozinc (2ml.L1 foliar treatment vs. noapplication control) was the subplot. The results showed that drought stress had negative effects on plant yield and productivity. Under drought, grain yield, seed oil percentage, oil yield, palmitic acid, stearic acid, cisoleic acid and linoleic acid were decreased. ZnO application significantly increased proline content, catalase and peroxidase activities. However, the percentage of palmitic acid, stearic acid, linoleic acid and alpha;linoleic acid decreased with the ZnO foliar spray. In general, results showed that, ZnO treatment, with enhancing antioxidant enzymes activity and changing physiological parameters decreased adverse effects of drought stress on soybean plants.
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Keywords
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Catalase ,fatty acids ,foliar spray ,peroxidase
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