1985年,在我镇的51个大小果园中除一个家庭小果园外,其余的全都被潜叶蛾危害。这个小果园是怎样防治的呢? 1、抹芽放梢。把6月20日后至7月20日前抽发的夏梢全部抹除,使树体中的养分积蓄起来,在7月20日集中放秋梢,即7月20日后抽发的早秋梢全部留作翌年的结果母校。 2、掌握防治适期。潜叶蛾盛发期在7至9月,成虫白天多潜伏 In 1985, all but one of the 51 orchards in our town were endangered by leaf moths. This small orchard is how to prevent it? To the June 20 to July 20 before the summer tip of all the emanated, so that the accumulation of nutrients in the tree, on July 20 put focus on the fall tip, that is, July 20 after the early autumn shoot all the leaves As a result of the following year alma mater. 2, master prevention and control period. Leaf moths Sheng period in July to September, adult lurking during the day