| 促芽肥与杂交中稻再生力关系及其作用机理 |
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| 引用本文： | 徐富贤,洪松.促芽肥与杂交中稻再生力关系及其作用机理[J].作物学报,1997,23(3):311-317. |
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| 作者姓名： | 徐富贤 洪松 |
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| 作者单位： | 四川省农业科学院水稻高粱研究所，四川泸州，646100 |
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| 摘 要： | １９９１－１９９３年以２个杂交中稻品种为材料，研究了促芽肥与杂交中稻再生力关系及其作用机理。结果表明，促芽肥不能提高到２、倒３节位活芽率，可提高倒４、５位活芽率。促芽肥对再生力的效果与母茎 鞘干物质重有关，当母茎鞘干物质过大或过小时，促芽肥的作用极小。
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| 关 键 词： | 杂交 中稻 再生稻 促芽肥 再生力 |
| 收稿时间： | 1995-04-27 |
| 修稿时间： | 1996-08-07 |
Relation between N Applying for Bud Development and Ratooning Ability and It's Mechanism in Hybrid Rice |
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| Xu Fuxian,Hong Shong,Xiong Hong.Relation between N Applying for Bud Development and Ratooning Ability and It's Mechanism in Hybrid Rice[J].Acta Agronomica Sinica,1997,23(3):311-317. |
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| Authors: | Xu Fuxian Hong Shong Xiong Hong |
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| Affiliation: | Rice and Sorghum Institute, Sichuan Academy of Agricultural Sciences, Luzhou,646100 |
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| Abstract: | The relation between N applying for bud development (NABD) and ratooning ability in hybrid mid-rice were studied with the hybrid Shan You 63 and Kei You 3. The results were as follows: The NABD at 15 days after full heading of the main crop could not increase the percentage of alive bud of the 2nd and 3rd nodes from top, but could increase those of 4th and 5th nodes from top. Significant or highly significant positive correlations were observed between alive buds, productive panicles, the yield componets of ratooning rice and the NABD, the dry weight of the basic stems. The reason of the NABD helping to increase grain yield of ratooning rice is that N application increase the dry weight of the basic stems. Effect of the NABD on increasing grain yield of ratooning rice related to the dry weight of the basic stems, the effect are little when the dry weight of the basic stems were very highor low. |
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| Keywords: | Hybrid mid-rice Ratooning rice N applicaxtion for bud development Ra-tooning ability |
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