【摘要】 为了给籼型三系杂交稻新品种选育提供优良亲本,以广东省农业科学院水稻研究所选育的保持系荣丰B为材料用Co60-γ射线辐射,系选后与中国水稻研究所选育的优质香型保持系中浙B进行杂交转育而成籼型三系不育系林丰A。该不育系株型适中,叶片挺直,叶色浓绿,茎秆粗壮,根系较发达,长势繁茂,稃尖紫色,分蘖力强,粒长形,中抗稻瘟病,于2012年7月1日通过江西省农作物品种审定委员会技术鉴定,其不育性稳定,米质香味好,配组的组合具有早熟、高产等特点。更多还原

【Abstract】 In order to provide excellent parents for breeding of new indica CMS line rice varieties,maintainer line Rongfeng B(bred by rice institute of GAAS) radiated by Co60-γ ray was crossed by Zhongzhe B(an excellent aroma maintainer line bred by China National Rice Research Institute) to obtain indica CMS line Linfeng A.Linfeng A was of moderate plant type,straight and upright leaves,dark green leaf color,stocky stem,well-developed root system,luxuriant growth vigor,purple shell tip,powerful tillering ability,microscler grain,moderate resistance to rice blast.Lingfeng A was approved by Jiangxi Approval Committee of Crop Variety on July 1,2012.Linfeng A has stable sterility,good rice flavor and its hybrid combination showed characteristics of early maturity and high yield.更多还原