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“双重”低温加压选育越冬稻的效果
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.
作者姓名:肖叶青  陈大洲
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

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
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”.
Keywords:Rice breeding  Low temperature  Overwintering rice  Wild rice
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