| 多系组合混种栽培对水稻产量抗性及生育期的影响研究 |
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| 引用本文： | 刘国民,况浩池.多系组合混种栽培对水稻产量抗性及生育期的影响研究[J].西南农业大学学报,1996,18(5):481-483. |
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| 作者姓名： | 刘国民 况浩池 |
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| 作者单位： | 四川省农科院水稻高粱研究所 |
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| 摘 要： | 选用多系组合栽培和混种栽培表明，多系组合混种后，产量优势获得协调互补，产量差异减小，从而提高水稻的稳产状。其抗稻瘟病能力明显增强，从单一的垂直抗性趋向水平抗性，对不同稻瘟病的生理小种均有抑制作用。混种全生育期比单一组合略有增长，但差异不显著。
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| 关 键 词： | 水稻 产量 抗病性 耕作制度 栽培 多系组合 |
STUDY ON YIELD AND DISEASE RESISTANCE AND GROWTH PERIOD OF RICE CULTIVATED INN MIXED AND POLYCROSSED VARIETIES |
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| Liu Guoming, Kuang Haochi, Li Yun, Yang Qianhua.STUDY ON YIELD AND DISEASE RESISTANCE AND GROWTH PERIOD OF RICE CULTIVATED INN MIXED AND POLYCROSSED VARIETIES[J].Journal of Southwest Agricultural University,1996,18(5):481-483. |
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| Authors: | Liu Guoming Kuang Haochi Li Yun Yang Qianhua |
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| Abstract: | Study was conducted on yield, disease resistance and growth period in pure and mixed stands of rice of polycross varieties. The results showed the difference in yield and in growth period were both greatly reduced while resistance to blast was increased. |
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| Keywords: | paddy yield disease resistance cropping systems cropping/poly cross varieties |
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