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棉铃虫和烟青虫不但危害棉花和烟草,而且都是危害夏秋蔬菜的主要害虫。我省部分地区连年发生,危害严重,每年因其危害减产可达25％左右。这两种害虫危害特点是食性很杂,可危害200多种植物,以幼虫蛀食蔬菜的蕾、花、果为主,也可食害嫩茎、叶和芽。棉铃虫和烟青虫危害蔬菜的区别是:棉铃虫是番茄的主要天敌,主要危害番茄、茄子、辣椒、白菜、南瓜等多种蔬菜。烟青虫主要危害辣椒、番茄、南瓜等。 棉铃虫的幼虫非常喜食青果,蛀果是造成减产的主要原
Cotton bollworm and tobacco budworm not only endanger cotton and tobacco, but also are the main pests that endanger the summer and autumn vegetables. Some areas in our province occur year after year, causing serious damage. The annual output of the project can be reduced by 25% due to its damage. The two pests endanger the peculiarities of feeding habits, can endanger the more than 200 kinds of plants, larvae eaten vegetable buds, flowers, fruit-based, but also edible harm shoots, leaves and buds. Helicoverpa armigera and tobacco budworm harmful vegetables are: cotton bollworm is the main natural enemies of tomatoes, the main harm to tomatoes, eggplants, peppers, cabbage, pumpkin and other vegetables. Tobacco caterpillar main hazards pepper, tomato, pumpkin and so on. Larvae of Helicoverpa armigera are very much favored by young fruits, and borers are the main cause of reduced production