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首页> 外文期刊>Indian Journal of Agricultural Biochemistry >Biochemical Evaluation in Wheat (Triticum aestivum L.) under Heat Stress Conditions
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Biochemical Evaluation in Wheat (Triticum aestivum L.) under Heat Stress Conditions

机译：在热应激条件下小麦（Triticum Aestivum L.）的生化评估

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摘要

Temperature is a major yield determining factor in cereals. The present investigation was carried out to evaluate the yield and associated biochemical traits in wheat (Triticum aestivum L.) under high temperature conditions. Five wheat genotypes viz.,WH1105, PBW550, HD2967, PBW621 and PBW702 were raised under three temperature gradients (ambient+3.0°C, ambient+3.3°C and ambient+3.6°C) in a temperature gradient tunnel (TGT). For control, the crop was raised at ambient temperature in an open field.A reduction in crop yield was observed in crop raised inside the TGT. Among all the temperature gradients, the crop raised at ambient+3.6°C was adversely affected to a maximum extent. The amount of malondialdehyde (MDA), total soluble sugars, total soluble starch, protein and activity of invertase were estimated at various growth stages. The genotype WH1105 showed minimum reduction in soluble sugars, MDA content and total yield at higher than ambient temperatures. Therefore, among the tested genotypes, it is most tolerant to heat stress.
机译：温度是谷物中的主要产量决定因素。进行了本研究的研究，以在高温条件下评估小麦（Triticum Aestivum L.）的产量和相关的生化性状。五个小麦基因型VIZ，WH1105，PBW550，HD2967，PBW621和PBW702在温度梯度隧道（TGT）中在三个温度梯度（环境+ 3.0°C，环境+ 3.3°C和环境+ 3.6°C）下升高。对于对照，该作物在环境温度下升高，在开放场中。在TGT内部的作物中观察到作物产量的降低。在所有温度梯度中，在环境+ 3.6℃下饲养的作物受到最大影响的不利影响。在各种生长阶段估计丙二醛（MDA），总可溶性糖，总可溶性淀粉，蛋白质和转化酶活性的量。基因型WH1105显示出可溶性糖，MDA含量和高于环境温度的总产物的最小降低。因此，在测试的基因型中，它是最容忍热应激的。

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