| 1. | After quarantined in isolated area , ten accessions each from usa , colombia , korea , brazil and italy were selected for field and laboratory evaluations in comparison with minghui 63 , major restoring line for rice hybrids in chins 通过隔离检疫后,以中国恢复系明恢复63作为对照,选择美国、哥仑比亚、韩国、巴西、意大利五个国家培育的生育期与对照接近的水稻品种各10个。 |