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果树上的介壳虫是让果农最为头疼的问题。介壳虫一般以若虫和成虫附着在枝干、果实和叶片上吸取汁液,造成枝干裂皮、干枯和落叶,严重时造成整株死亡,果实受害后呈畸形,失去商品价值。大多数果农由于没
The scale insects on fruit trees are the most troublesome issue for growers. Scale insects are generally attached to the nymphs and adults in the branches, fruits and leaves to draw juice, resulting in branching split, dry and deciduous, causing serious death of the whole plant, the fruit was deformed after the loss of the value of the commodity. Most farmers because of no