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介壳虫是危害柿树的主要害虫,聚集在枝叶和果实上刺吸汁液,使枝梢枯死,树势衰弱,造成大量落花落果,诱发煤烟病和炭疽病,使果面长斑变黑,并腐烂变质,在采果后如果能及时防治,将其消灭在越冬之前,则第二年的发生危害会明显减轻,且采果后介壳虫的活力和抗药能力明显减弱,容易杀死,防治效果好。
Scale insects are the major pest endangering persimmon, gathered in the branches and leaves and fruit sucking juice, so that the shoots withered, frail weakness, resulting in a large number of flowers and deciduous, induced sooty and anthracnose, the fruit face dark spots, And decay and degeneration, if the fruit can be timely controlled after picking the fruit, it will be eliminated in the winter before the occurrence of the second year will be significantly reduced the hazard, and after picking fruit scale insects, vitality and resistance to drugs significantly reduced, easy to kill, Control effect is good.