“双重”低温加压选育越冬稻的效果 |
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引用本文: | 肖叶青,陈大洲.“双重”低温加压选育越冬稻的效果[J].江西农业学报,1999,11(3):10-13. |
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作者姓名: | 肖叶青 陈大洲 |
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摘 要: | 在江西东乡野生稻杂交后代苗期( 二叶一心) 进行超常规低温( - 1 ~- 2 ℃)处理,再让其成熟、收割后的禾蔸在自然气候条件下越冬,即给予“双重”的低温处理来加大选择强度。结果表明,采用“双重”低温处理方法经多代选择,可以在江西东乡野生稻杂交后代中筛选到栽培类型的越冬水稻
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关 键 词: | 水稻育种 低温 越冬稻 野生稻 |
Effect of Breeding Overwintering Rice by Two Steps of Low Temperature Treatment |
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Abstract: | The seedlings of wild rice from Dongxiang,Jiangxi(“Dongye”) were treated by low temperature of -1~-2℃,after live seedlings maturated and were harvested,the rice stubble was treated by natural low temperature in winter for breeding overwintering rice.The results showed that by above mentioned 2 steps of low temperature treatment and selection in continuous generations,the overwintering rice which was similar to cultivated rice in biological characters could be effectively screened in the progenies of “Dongye”. |
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Keywords: | Rice breeding Low temperature Overwintering rice Wild rice |
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