水稻广亲和恢复系亚恢420的选育及其利用

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Breeding Utilization of Wide Compatibility Restorer Line Yahui 420 in Rice

摘要: 利用明恢76与Warylowa配组选育而成的亚恢420,是一个广亲和恢复系。它与珍汕97A、龙特甫A、1356S配组的组合,表现大穗多粒,结实率高、籽粒饱满,具有很强的营养优势和经济优势;经二年来多点试种示范,平均产量8241.1kg/hm2,比对照汕优63增产20.33%,已经达到亚种或亚亚种间杂种优势利用水平。
- 水稻广亲和 /
- 恢复系 /
- 亚种优势
Abstract: The Yahui 420 which was bred from the cross of Minghui 76 with Warylowa was a wide compatibility restorer line.The combination which were combined with Zhenxian 97A LTPA and 13565 testcross Yahui 420, showing significant heterosis on biological and economical with large panicle and ed seed set persent.The averaged grain yield come to 8.3 t/hm2 which was 20% higher by CK (Shanyou 63).The yeild had arrived to intersubspecific level.
- Rice /
- Wide compatibility /
- Restore line

[1]	袁隆平.杂交水稻育种的战略设想杂交水稻,1987(1):1-3
[3] 杨振玉,张忠旭,华泽田,等.不同类型釉梗亚种间杂种F1可利用和非可利用杂种优势的评价和利用.中国水稻科学,1990,4(2):49-55

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