摘要
川种3A是四川川种种业有限责任公司利用内香2B为母本,泸香618B为父本杂交选育出保持系,再与泸香618A测交并连续回交多代选育而成的籼稻三系不育系.该不育系具有异交习性好、配合力好、米质优等特点.2016年6月通过广东省种子管理站组织的专家技术鉴定.由该不育系测配的川种优3877、川种优3607等21个次组合已通过国家或省级品种审定.介绍了川种3A的选育过程、特征特性、繁殖技术要点等.
Abstract
Chuanzhong 3A,derived from the cross of Luxiang 618A//Neixiang 2B/Luxiang 618B,is a CMS line of indica rice developed by Sichuan Chuanzhong Seed Industry Co.,Ltd.through successive backcrosses for several generations.It has the characteristics of good outcrossing habits,high combining ability and excellent grain quality.In June 2016,it was technically identified by Guangdong Seed Administration Station.The hybrid combinations derived from Chuanzhong 3A,such as Chuanzhongyou 3877 and Chuanzhongyou 3607,have been registered and released for commercial production at the national or provincial level for 21 times.The breeding process,characteristics and multiplication techniques of Chuanzhong 3 A were introduced.
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