本文采用人工剪叶的方法,研究了玉米穗位以上叶片缺失的情况与产量的关系。结果表明,与正常植株相比,在抽雄期以后缺失第1和缺失第1～2片叶的植株减产不显著,缺失更多叶片,则产量显著降低。 In this paper, the method of artificial leaf pruning was used to study the relationship between the loss of leaves and the yield of leaves above the ear position. The results showed that compared with the normal plants, the first and the first to the second leaf deletion plants after the tasseling stage had no significant decrease in yield, and the yield was significantly reduced in the absence of more leaves.