【摘要】 恒丰A是广东粤良种业有限公司育成的优质、高抗稻瘟病三系不育系,2011年通过广东省不育系鉴定。近年利用该不育系与不同恢复系组配育成恒丰优系列组合,区试结果表明,恒丰优系列组合丰产性突出,比对照增产幅度大,中抗到高抗稻瘟病,目前有5个组合通过广东省、海南省及韶关市品种审定。介绍了恒丰优系列新组合特征特性和高产栽培技术。更多还原

【Abstract】 HengfengA,which possessed advantages of fine grain quality and resistance to diseases,is a new cytoplasmic male sterile(CMS) line in hybrid rice developed by Institute of Zhanjiang Agricultural Science Research and Guangdong Yueliang Seeding Co.Ltd.It was certified technically in Guangdong in 2011.A series of hybrid rice combinations were obtained from it by crossing with excellent restorer lines,and most of them were characterized by high-yielding and highly resisitance to rice blast.Average yield of Hengfengyou series combinations were significantly higher than that of control in regional trials and five of them were registered and released in Guangdong province,Hainan province or Shaoguan city respectively since 2012.In this paper,the characteristics and technique of highyielding cultivation of Hengfengyou series combinations have been briefly introduced.更多还原