近年来,各地梨区梨木虱的危害越来越猖獗,果农苦不堪言。实际上,不少农民在防治梨木虱时往往有许多失误,只要找出这些误区,梨木虱并不难控制。 一、防治观念之误 大多数果农都认为,彻底消灭梨木虱才是理想的防治效果。实际上,梨木虱的虫体小而且有粘液层保护,加上繁殖力高等特点,要彻底消灭,一方面经济投入大幅度增加,另一方面由于梨木虱的种群消失,破坏了生态平衡,可能会导致更多更顽固的害虫出现。因此,对梨木虱,我们应该“控制”,而不是一定要“灭绝”。 二、防治方法之误 很多果农对化学农药,尤其是剧毒 In recent years, pears pear pear lice around the increasingly rampant damage, farmers miserable. In fact, many peasants often have many mistakes in the prevention and control of pear psylla. Just finding out the misunderstandings is not difficult to control. First, the concept of prevention and control mistake Most farmers think that the complete elimination of pear psylla is the ideal control effect. In fact, the pear body lice parasites and mucous layer protection, coupled with high fecundity characteristics, to eliminate completely, on the one hand a substantial increase in economic input, on the other hand due to the disappearance of pear psylla population, destroyed the ecological balance may Will lead to more stubborn pests appear. Therefore, we should control “pear psylla” rather than “extinct.” Second, the prevention and treatment of mistakes Many fruit farmers on chemical pesticides, especially highly toxic