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两系杂交水稻新组合培两优288的选育 预览 被引量:13

Breeding of the Newly-developed Two-line Hybrid Rice Peiliangyou 288
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摘要 培两优288是湖南农业大学用本校选育的优良父本品系288与湖南杂交水稻研究中心选育的培矮64S配制而成的两系杂交水稻新组合。 Peiliangyou 288(Pei’ai 64S/288),newly-developed by Hunan AgricuItural University,is atwo-line hybrid rice. It was released to farmers in February,1996.In the 1994 and 1995Hunan Rice Vari-ety Regional Trials,it yielded a mean of 6.73 t/hm2,5.4%higher than check Weiyou 64, with a growthduration of 114 d,which was comparable with that of check Weiyou 64. The hybrid was evaluated for leafblast, neck blast and bacterial leaf blight resistance in Hunan. It scored all 5 on the 1-9scales. It also hadagood cold tolerance. All of Peiliangyou 288’s quality characters were tested and meet the first or secondclass standards issued by the Chinese Ministry of Agriculture,When planted as late rice in the double-cropping system in Hunan,it was about 95 cm tall with strong tillering ability. Its seed set was more than85%with a mean of 110 spikelets/panicle and a 1000-grain weight of 24 g.
作者 陈立云 李国泰 chen Livun;Li Guotai;Liu Guohua;Xiao Cenlin(Hunan Agricultural University,Changsha 410128)
出处 《杂交水稻》 CSCD 北大核心 1996年第2期 7-9,共3页 Hybrid Rice
关键词 杂交水稻 新组合 培两优288 选择育种 two-line hybrid rice Peiliangyou 288 grain quality breeding
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