川东南高温伏旱区杂交中稻品种库源结构对稻米整精米率与垩白粒率的影响

作物学报 ›› 2004, Vol. 30 ›› Issue (05): 432-437.

川东南高温伏旱区杂交中稻品种库源结构对稻米整精米率与垩白粒率的影响

徐富贤;郑家奎;朱永川;王贵雄

四川省农业科学院水稻高粱研究所，四川泸州 646000

收稿日期:2003-01-07 修回日期:2003-06-07 出版日期:2004-05-12 网络出版日期:2004-05-12
通讯作者: 徐富贤

Effect of Ratio Source to Sink on Percentage of Head Milled Rice and Chalky Rice of Combinations of Mid-season Hybrid Rice in the South-East Districts of Sichuan Province under High Temperature and Summer Drought

XU Fu-Xian;ZHENG Jia-Kui;ZHU Yong-Chuan;WANG Gui-Xiong

Rice and Sorghum Institute, Sichuan Academy of Agricultural Sciences, Luzhou 646000, Sichuan

Received:2003-01-07 Revised:2003-06-07 Published:2004-05-12 Published online:2004-05-12
Contact: XU Fu-Xian

摘要/Abstract

摘要： 以25个杂交中稻组合为材料，研究了品种齐穗期库源结构对稻米整精米率与垩白粒率的影响。结果表明：整精米率与源库比呈极显著负相关，垩白粒率与源库比呈显著或极显著正相关。其原因在于,随着杂交组合每穗着粒数的增加，单位颖花的源占有量减少，稻穗籽粒灌浆速率降低，灌浆历期延长,籽粒容重增大，整精米率提高；当籽粒灌浆

关键词: 高温伏旱区, 杂交中稻, 库源结构, 整精米率, 垩白粒率

Abstract: The effect of ratio source to sink at fulling head on percentage of head milled rice and chalky rice was investigated via 25 mid-season rice hybrids. The results showed that there were highly significant negative correlations between the percentage of head milled rice and the ratio source to sink, s

Key words: Districts with high temperature and summer drought, Hybrid mid-season rice, Ratio source to sink, Percentage of head milled rice, Percentage of chalky rice

中图分类号:

S511

徐富贤;郑家奎;朱永川;王贵雄. 川东南高温伏旱区杂交中稻品种库源结构对稻米整精米率与垩白粒率的影响[J]. 作物学报, 2004, 30(05): 432-437.

XU Fu-Xian;ZHENG Jia-Kui;ZHU Yong-Chuan;WANG Gui-Xiong. Effect of Ratio Source to Sink on Percentage of Head Milled Rice and Chalky Rice of Combinations of Mid-season Hybrid Rice in the South-East Districts of Sichuan Province under High Temperature and Summer Drought[J]. Acta Agron Sin, 2004, 30(05): 432-437.

参考文献

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