我们通过几年来的实践发现,对幼树期的树苗在主干上涂纯花生油一次,就能彻底防治大灰象(虫甲)对幼树芽叶的危害。其费用低,操作简便,安全效果好。 一、涂抹时间 在树芽萌动时,地面有少量害虫出现后未造成危害前涂抹。 二、涂抹方法 把花生油盛放在罐头瓶内,用母指或食指沾一下,两指对擦至虎口,然后在树干上均匀涂一周即可。害虫爬到油环处即返回地面。 三、注意事项 1.花生油要涂抹在第一主枝稍下, Through several years of practice, we have found that saplings of saplings are applied with pure peanut oil once on the trunk, which can completely prevent and control the damage caused by salamanders and buds. Its low cost, easy operation, good safety effect. First, smear the time when the tree buds sprout, there are a small amount of pests on the ground after the harm did not result before smear. Second, the smear method Put the peanut oil in the canned bottle, dip with the thumb or forefinger, two fingers rub to the mouth of the tiger, and then evenly coated in the trunk a week. Pests climb to the oil ring that is returned to the ground. Third, matters needing attention 1. Peanut oil to smear in the first main branch slightly,