【摘要】 C52是北方杂交粳稻工程技术中心选育的直立穗型粳稻新恢复系,具有大穗、高配合力、高恢复力、高制种产量、优质、抗性较强等优点。所配组合辽优1052高产、抗病,2004年通过辽宁省农作物品种审定委员会审定。探讨了北方粳稻恢复系的选育路线和方法。更多还原

【Abstract】 C52,developed by the North Japonica Hybrid Rice Research and Development Center,is a new straight-panicle-type japonica restorer line.It is characterized by big panicle,high combining ability,strong restoring ability,good grain quality,strong disease resistance and high seed-production yield.Liaoyou 1052 is one of the F1 hybrids of C52,and it is characterized by high yield and good disease resistant ability.Liaoyou 1052 was approved by the Crop Variety Appraisal Committee of Liaoning Province in 2004.The methods and approaches in breeding of restorer lines of north japonica hybrid rice are discussed.更多还原