高粱杂交种熊杂8号高产制种关键技术

Key Technologies of High-Yielding Seed Production of Sorghum Hybrid Xiongza No.8

熊杂8号是以不育系7050A为母本,以恢复系XR06为父本杂交而成的高粱杂交种。根据其亲本特性以及营口地区的气候特点,基于2019—2021年在营口地区连续3 a的制种情况,总结了该品种杂交制种过程中选地隔离、适时播种、花期调节、除杂去劣、适时收获等几个主要环节的技术要点。

Xiongza No.8 was a sorghum hybrid developed by crossing sterile line 7050A as female parent and restorer line XRO6 as male parent.According to the characteristics of its parents and the climatic characteristics of Yingkou area,based on the seed production situation in Yingkou area for three consecutive years from 2019 to 2021,the technical points of several main links in the process of hybrid seed production of this variety have been summarized,such as site selection and isolation,timely sowing,flowering period adjustment,impurity removal and inferior removal,and timely harvest.