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eK优4480系采用赣州农科所育成的高秆隐性(eui基因)籼型长穗颈不育系K17eA与从广东省农科院引进的R4480杂交选育而成。表现高产稳产、抗病性强、米质优,具有较广泛的适应性,已分别通过广西和江西农作物品种审定委员会审定。
eK You 4480 is a high-stalk recessive (eui gene) indica long-ear CMS line K17eA bred by Ganzhou Agricultural Science Institute and crossed with R4480 introduced from Guangdong Academy of Agricultural Sciences. High yield and stable yield, strong disease resistance, high quality rice, with a wide range of adaptability, have been approved by Guangxi and Jiangxi Crop Variety Approval Committee.