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首页> 外文期刊>Turkish Journal of Agriculture & Forestry >The Effect of Drought on the Growth and Yield of Winter Wheat
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The Effect of Drought on the Growth and Yield of Winter Wheat

机译：干旱对冬小麦生长和产量的影响

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摘要

The effect of drought on the growth and yield of "Dogu-88" winter wheat variety was investigated in this field experi-ment using plot covers. Fully irrigated (FI), rainfed (R), early drought (ED), late drought (LD) and continuous drought (CD) treat-ments were studied under Erzurum conditions. ED decreased grain number per unit area by 44.4 %, 1000 kernel weight by 6.9 % and grain yield by 40.6 % compared with FI. A rapid senescence of green tissues in LD treatment also led to shorter green area duration (27.5 days), lighter 1000 kernel weight (3.8 g) and lower grain yield (24.0 %). CD treatment decreased grain number per unit area by 54.9 %, 1000 kernel weight by 19.9 % and grain yield by 65.6 % compared with FI. Variations in grain yield depended mainly on the effects of treatments on grain number per unit area. ED limited primarily grain number per unit area while LD affected kernel weight. The negative effect of ED on grain yield was more significant than that of LD.
机译：在该田间试验中，使用地块覆盖调查了干旱对“ Dogu-88”冬小麦品种生长和产量的影响。在埃尔祖鲁姆条件下研究了完全灌溉（FI），雨养（R），早期干旱（ED），晚期干旱（LD）和连续干旱（CD）处理。与FI相比，ED降低了每单位面积的谷物数量44.4％，降低了1000粒重，降低了6.9％，谷物产量降低了40.6％。 LD处理中绿色组织的快速衰老还导致较短的绿色区域持续时间（27.5天），更轻的1000粒重（3.8 g）和较低的谷物产量（24.0％）。与FI相比，CD处理使单位面积的粒数降低54.9％，使1000粒重降低19.9％，谷物产量降低65.6％。谷物产量的变化主要取决于处理对单位面积谷物数量的影响。 ED主要限制每单位面积的籽粒数，而LD则影响籽粒重量。 ED对谷物产量的负面影响比LD更为显着。

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