| 不同时期干旱对冬小麦产量效应和耗水特性研究 |
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| 引用本文： | 孙宏勇,刘昌明,张永强,张喜英.不同时期干旱对冬小麦产量效应和耗水特性研究[J].灌溉排水学报,2003,22(2):13-16. |
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| 作者姓名： | 孙宏勇 刘昌明 张永强 张喜英 |
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| 作者单位： | 1. 中国科学院,石家庄农业现代化研究所,河北,石家庄,050021;中国科学院,研究生院,北京,100083
2. 中国科学院,石家庄农业现代化研究所,河北,石家庄,050021 |
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| 基金项目： | 国家“8 63”项目 (2 0 0 1AA2 410 3 9)，中国科学院知识工程重要方向创新项目 (KKCXSW3 170 2 ) |
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| 摘 要： | 针对不同水分处理对产量和耗水特性的影响 ,在田间对冬小麦不同生育期进行干旱胁迫试验。试验结果表明 :干旱胁迫对冬小麦的产量构成因素、生育时期、水分利用效率、棵间蒸发、蒸散等因素有一定的影响 ;干旱胁迫使冬小麦的生育期缩短 ,整个生育期胁迫能使冬小麦有的生育期缩短 5～ 8d;拔节期的水分对于冬小麦产量和水分利用效率有很重要的影响 ;充分灌水的处理的棵间蒸发和蒸散均高于其它处理 ,无效耗水多
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| 关 键 词： | 不同时期 干旱 冬小麦 产量 耗水特性 |
| 文章编号： | 1000-646X(2003)02-0013-04 |
| 修稿时间： | 2002年12月17 |
Effects of Water Stress in Different Growth Stage on Water Consumption and Yield in Winter Wheat |
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| SUN Hong yong ,LIU Chang ming ,ZHANG Yong qiang ,ZHANG Xi ying.Effects of Water Stress in Different Growth Stage on Water Consumption and Yield in Winter Wheat[J].Journal of Irrigation and Drainage,2003,22(2):13-16. |
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| Authors: | SUN Hong yong LIU Chang ming ZHANG Yong qiang ZHANG Xi ying |
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| Institution: | SUN Hong yong 1,2,LIU Chang ming 1,ZHANG Yong qiang 1,ZHANG Xi ying 1 |
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| Abstract: | A field experiment was carried out to investigate the effects of water stress in different growth stage on water consumption and yield in winter wheat. Experimental results showed that the effects of water stress on yield composition, water consumption, plant growth and development, water use efficiency are significant. The main results can be concluded as followings: ① winter wheat growth season may be shorted about 5～8 days under serious water stress; ② irrigation in jointing stage is very impotent for a good yield and high water use efficiency; ③ water consumption under full irrigation is significantly higher than those under water stress treatments. |
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| Keywords: | drought stress growth stage water consumption yield |
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