| 论生态条件与超高产制种的关系 |
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| 引用本文： | 丁获蛟,潘冬安,邓庆华.论生态条件与超高产制种的关系[J].杂交水稻,1998(2). |
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| 作者姓名： | 丁获蛟 潘冬安 邓庆华 |
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| 作者单位： | 湖南省桃江县农业局，桃江县气象局 |
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| 摘 要： | 湖南省的籼型杂交水稻三系制种，呈现出季别性与地域性两大特征。亲本生物学特性在最佳生态条件下充分表现，是构成两大特征的主导因子。充分认识到生态条件与超高产制种的关系，可为杂交稻制种新体制的建立，提供理论与决策依据。
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| 关 键 词： | 杂交稻制种 生态条件 生物学特征 季别 地域 |
Relation between Ecological Conditions and Hybrid Rice Super-high-yielding Seed Production |
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| Ding Huojiao , Pan Dong'an , Deng Qinhua.Relation between Ecological Conditions and Hybrid Rice Super-high-yielding Seed Production[J].Hybrid Rice,1998(2). |
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| Authors: | Ding Huojiao Pan Dong'an Deng Qinhua |
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| Institution: | Ding Huojiao 1) , Pan Dong'an 2) , Deng Qinhua 1) |
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| Abstract: | In the seed production of three-line indica hybrid rice in Hunan Province, a seasonal pattern of spring to summer to autumn in seed production time and a regional pattern of mountainous area to hilly area to plain and lake area in seed production region have been shaped. The analysis on the reasons of obtaining high yield in seed production in mountainous area and in spring indicated that the ecological conditions of spring seed production were favourable to the increase of biomass and out-crossing rate of parents; high yield of seed production in mountainous area had a direct relation with its special environments, too. Therefore, it is concluded that the biological characteristic of parents fully expressed under the optimal environmental conditions is most important to obtain super-high yield in hybrid rice seed production, which farnishes a theoretical and policy-making evidence for establishing the new hybrid rice seed production system of "Provincial purification-Provincial multiplication-Base production". |
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| Keywords: | hybrid rice seed production ecological conditions biological characteristic season region |
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