| 不同播种期对3个晚稻品种产量性状的影响 |
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| 引用本文： | 秦亚平,梅银国,张似松.不同播种期对3个晚稻品种产量性状的影响[J].湖南农业科学,2009(1). |
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| 作者姓名： | 秦亚平 梅银国 张似松 |
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| 作者单位： | 1. 长江大学农学院,湖北荆州,434025
2. 湖北省农业推广中心,湖北武汉,430070 |
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| 基金项目： | 国家科技部重点科技攻关项目 |
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| 摘 要： | 高温胁迫是江汉平原水稻主产区水稻产量和品质的主要限制因子,除通过选育抗高温的品种来提高水稻对高温的抗耐性外,还可通过选择最佳播种期来有效避开或减少高温胁迫对水稻的影响.选取江汉平原广泛栽培的3个水稻品种为材料,设置4个播种期水平.考察比较了高温胁迫对各处理水稻产量和稻米品质的变化差异.结果表明:金优207对高温胁迫的抗耐性最高,金优148次之,金优928较差.4个播期中,第3期(6月25日)播种的水稻在产量和品质上均比其它两个播期有一定的提高,是较理想的播种时期.
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| 关 键 词： | 水稻 高温胁迫 产量 品质 播种期 |
Impact Study of Seedtime on Yield Characters in Three Late Varieties of Rice |
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| QIN Ya-ping,MEI Yin-Guo,ZHANG Si-song.Impact Study of Seedtime on Yield Characters in Three Late Varieties of Rice[J].Hunan Agricultural Sciences,2009(1). |
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| Authors: | QIN Ya-ping MEI Yin-Guo ZHANG Si-song |
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| Institution: | 1. Agricultural School of Yangtz University;Jingzhou 434025;PRC;2. Hubei Agricultural Extension Center;Wuhan 430070;PRC |
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| Abstract: | Heat stress is the main limit factor of the rice yield and quality in production areas of Jianghan Plain. Besides breeding rice varieties with high temperature tolerance to increase the resistance to high temperature, suitable seedtime was also an available option to avoid effectively or reduce the impact of heat stress on rice. The study was carried out with 3 late varieties of rice (Jinyou207, Jinyou148, and Jinyou928) at 4 different seedtimes. The results showed that the resistance order to heat stress w... |
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| Keywords: | rice heat stress yield quality seedtime |
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