在杂交玉米制种生产过程中除做好安全隔离、规格播种、去杂去劣等项工作外,去雄是玉米制种生产中决定纯度最为关键的时期。玉米种子纯度下降的主要原因是母本去雄不及时、不彻底,造成散粉自交所致。根据多年制种经验总结,玉米制种采取带叶摸苞去雄有以下好处。 In hybrid seed production process in addition to doing a good job of security isolation, sowing specifications, go to miscellaneous and other items of work, to male is the determination of maize seed production in the most crucial period of purity. The main reason for the decline in the purity of corn seeds is that the male parent is not timely and incompletely removed, resulting in self-pollination. According to many years of experience in seed production, corn seeds to take leaves with bud to the male has the following benefits.