棉花整枝是棉田管理中一项重要技术措施,抹叶枝、打顶心是整枝的中心内容。尽管关于整枝的增产效应时有争议,但经笔者与本站同志在棉区的试验和调查,认为其增产效果是肯定的。现将试验调查结果整理如下, 一、抹叶枝与棉花生育的关系我县以种植岱字15号棉为主。岱字15号叶枝较多,一般每株有叶枝二至三层,多的有四层叶枝。据试验观察,叶枝的出现和生长,会使现蕾减慢,蕾数减少,如图①: Cotton pruning is an important technical management of cotton fields, wiping branches, topping is the center of pruning. Despite the controversy over the yield-enhancing effect of pruning, the trial and investigation conducted by the author and his comrades in the cotton area have concluded that the yield-increasing effect is affirmative. Now the test findings are collated as follows, First, the relationship between mowing branches and cotton plantation County to grow Dai word 15 cotton-based. Dai word 15 more leaf branches, generally each branch has two to three, more than four leaf branches. According to experimental observation, the emergence and growth of leafy branches, will make budding slow, buds reduced, as shown in Figure ①: