论文部分内容阅读
在杂交玉米制种授粉过程中,制种户是按照花丝抽出苞叶到花丝萎蔫都在授粉。经过两年的制种实践,用70—2做母本制种在授粉上采用上述方法授粉,果穗秃根特别是秃顶现象比较重。为了摸清70—2自交系花丝生命力的特性,准确掌握授粉时间,提高制种产量,我于1991年对70—2自交系花丝生命力进行了测定。
In the process of hybrid corn pollination, seed producers are in accordance with the filament extracted from the husk to the filament wilting are pollination. After two years of seed production practice, 70-2 was used as the female parent in pollination using the above method of pollination, baldness of the ear, especially the bald heavier phenomenon. In order to find out the characteristics of filament vitality of 70-2 inbred lines, to accurately grasp the pollination time and increase the seed production, I measured the viability of the filament of 70-2 inbred lines in 1991.