据一些资料介绍,当龙眼幼果有黄豆粒大小时,采用透明塑料袋套果穗,只要留出透气气孔,扎紧袋口,就可以防止害虫、蝙蝠、老鼠等的危害,不影响果实的正常生长。为此,笔者曾于1998年5月做过试验,当龙眼幼果有小指头般大小时,选择5株龙眼树进行了套袋处理,并在塑料袋上打出5～6个拇指头般大 According to some information, when the longan seedlings have soy size, the use of transparent plastic bag set ears, as long as the vestiges of breathable holes, tie tight pocket, you can prevent pests, bats, mice and other hazards, does not affect the normal fruit Grow. To this end, the author did a trial in May 1998, when the longan young fruit has a small finger-like size, choose five longan tree bagging treatment, and shot in the plastic bag 5 to 6 thumbs-large