两系杂交水稻新组合徽两优广丝苗高产优质制种技术

High-yielding and High Quality Seed Production Technology of New Two-line Hybrid Rice Combination Huiliangyou Guangsimiao

徽两优广丝苗是北京金色农华种业科技股份有限公司利用两系不育系1892S与优良恢复系禾广丝苗配组育成的中熟两系杂交水稻新组合,在大田种植中表现优异。从基地选择、父母本播差期安排、花期相遇预估与调控等方面介绍了徽两优广丝苗的高产制种技术,为该组合的大规模制种生产提供借鉴。

Huiliangyou Guangsimiao,derived from two-line male sterile line 1892S and excellent restorer line Heguangsimiao,is a new medium-maturing two-line indica hybrid rice combination developed by Beijing Kings Nower Seed Science and Technology Co.,Ltd..It has an excellent performance in field cultivation.This paper introduces the high-yielding seed production technology of Huiliangyou Guangsimiao from the aspects of base selection,arrangement of the parents'sowing interval and prediction and regulation of synchronization in flowering date,which provides a reference for large-scale seed production of this hybrid combination.