无柱头外露高异交率早熟晚粳不育系嘉禾316A的选育

Breeding of Early-maturing Late Japonica CMS Line Jiahe 316A with Non-exserted Stigma but High Out-crossing Rate

嘉禾316A是浙江省嘉兴市农业科学研究院选育的柱头无外露、高异交结实率的BT型早熟晚粳不育系,于2017年通过浙江省农作物品种审定委员会审定。该不育系具有开颖角度大、柱头活力好且时间长、异交结实率高等特点,所配组合杂交制种产量高,其中中嘉优6号(嘉禾316A/中恢7206)于2017年4月通过浙江省品种审定。

Jiahe 316A is an early-maturing late japonica CMS Line with non-exserted stigma but high out-crossing rate developed by Jiaxing Agricultural Research Institute of Zhejiang Province.With the characteristics of wide glume-opening angle,strong and durable stigma vigor and high out-crossing rate,it was registered by Zhejiang Provincial Crop Variety Appraisal Committee in 2017.Its F1 hybrids show high-yielding potential in hybrid seed production.Among them,Zhongjiayou 6（Jiahe 316 A/Zhonghui 7206） was registered and released to commercial production by Zhejiang Provincial Crop Variety Appraisal Committee in April,2017.