论文部分内容阅读
在苹果生产中,常出现5～7年生的幼龄树还未结果或结果极少的现象。对于这样的幼龄树,在春季新梢旺盛生长期的6月份,取BG2000ppm,加入等量的乙烯利500ppm,混合均匀后,喷布树冠,每隔10天喷一次,连喷2次,每次喷布至叶面
In apple production, there are often 5 to 7-year-old young trees have not been the results or the results of very few phenomena. For such juvenile trees in the spring of strong shoot growth period in June, take BG2000ppm, add the same amount of ethephon 500ppm, mix well, spray crown, spray once every 10 days, and even spray 2 times, each Spray to foliage