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梨毛虫的防治梨毛虫除了为害梨树外,还为害苹果、山定子、海棠、红果等。果树发芽后,越冬幼虫便在花蕾、芽苞和幼叶上为害。花落后幼虫吐丝将新叶缀成“卷叶包”。幼虫在叶苞内取食叶肉,残留一层表皮及叶脉。故此,果农称为“饺子肉”、“裹叶虫”。为害严重时,果树失...
Pear caterpillar pest control in addition to pear damage, but also damage apples, mountain statues, Begonia, red fruit and so on. After the fruit trees germinate, the overwintering larvae will damage the buds, buds and young leaves. Flower larvae sprout new leaves into a “leaf roll package.” The larvae feed on the leaf bud leaves, leaving a layer of epidermis and veins. Therefore, fruit farmers as “dumplings meat”, “wrap insects.” Serious damage, fruit trees lost ...