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水稻恢复系的选育,除从现有的品种中继续测交筛选恢复系外,目前主要是采取有性杂交选育恢复系。有性杂交选育主要有三种方法:(二)不育系×恢复系;(2)恢复系×恢复系;(3)保持系×恢复系或恢复系×保持系。不×恢和恢×恢选育方法简单,杂种后代田间种植和测交工作量小。但是,由前
Breeding of rice restorer lines, in addition to the existing varieties to continue to test cross selection and restore lines, the current is to take sexual crossbreeding. There are three main methods of sexual crossbreeding: (a) male sterile line × restorer line; (2) restorer line × restorer line; (3) maintainer line × restorer line or restorer line × maintainer line. × × × × × × × × × × × × × × × × × × But by the front