| 南方稻区早籼区试品种产量分析及育种刍议 |
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| 引用本文： | 杨仕华,蔡国海,谢芙贤,张国华. 南方稻区早籼区试品种产量分析及育种刍议[J]. 种子, 1996, 0(1) |
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| 作者姓名： | 杨仕华 蔡国海 谢芙贤 张国华 |
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| 作者单位： | 中国水稻研究所 310006 |
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| 摘 要： | 通过对“六五”至“八五”期间南方稻区早籼区论资料分析表明，南方稻区早籼育种取得了明显进展，产量水平大约每5年提高4％～6％。产量水平得以提高的主要因素是每穗粒数和粒重的增加。但优质品种产量水平偏低，其主要原因是粒重偏低。
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| 关 键 词： | 区试 相对产量 水稻育种 南方稻区 |
Yield analysis of Varieties of Early Indica Rice Regional Test in South China and Discussion on Breeding |
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| Yang Shihua ,Cai Guohai ,Xie Fuxian ,Zhang Guohua. Yield analysis of Varieties of Early Indica Rice Regional Test in South China and Discussion on Breeding[J]. Seed, 1996, 0(1) |
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| Authors: | Yang Shihua Cai Guohai Xie Fuxian Zhang Guohua |
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| Abstract: | Aceordiug to the informations of early indica rice regional test in south China from 6th'Five-year plan'period to 8th' Five-year plan Period, breediug of early indica rice in soath China has been advanced obviously. The Yield level was risen about 4%-6% every five years. Increases of grains per panicle and grain weight were the major factors But the Yields of good quality varieties were lower for their low grain weight. |
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| Keywords: | kegional test relative yield rice breeding South China |
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