目前以5003为母本的玉米单交种组合日益增多,推广面积迅速扩大。然而,5003自交系雄穗穗轴较短,往往在包叶内就开始散粉,在制种时若不带叶去雄,会因去雄不及时而自交,降低制种纯度。要做到既及时又彻底,又常常需要带叶去雄。那么,带叶去雄对制种产量有无影响?河北省种子公司用鲁玉8号进行带叶去雄试验,结果表明:带一片叶去雄不仅不减产,而且能增产。带叶去 At present, the maize single cross combination with 5003 as the female parent has been increasing in number and its popularizing area has rapidly expanded. However, the male cob of 5003 inbred line is short, often begins to loose powder in the wrapping leaves. If the leaf is not emasculated when the seed is planted, the purity of the seed can be reduced because the male is not timely and self-pollination. To be both timely and complete, and often need to take leaves to male. So, with the leaf to the male of seed production have any effect? ​​Hebei Province, Luyu No. 8 with the leaf to the male test, the results show that: with a leaf to male not only does not reduce production, but also increase production. With leaves to go