搞好玉米杂交制种是良种繁良工作的重要内容。增加制种产量,特别是提高种子纯度,又是关系到制种成败的关键问题。多年来,广大农民为了提高种子纯度想了很多办法,目的是及时、干净和彻底将母本雄穗去掉,防止其散粉造成自交粒。带叶去雄是提高种子纯度减少自交粒一项行之有效的措施。但对制种 Doing a good job of corn hybrid seed is an important part of good work. Increasing seed production, especially the improvement of seed purity, is also a key issue that concerns the success of seed production. Over the years, the vast majority of peasants have thought of many ways to improve the purity of their seeds, aiming at removing the male tassel in time, cleanly and completely, and preventing the self-grain from being scattered. Leaf removal to the male is to improve the purity of the seed to reduce the self-grain of an effective measure. But the seed