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防治菜青虫一招菜青虫是菜粉蝶的幼虫，主要危害甘蓝、白菜、芥菜、萝卜和豆瓣菜等十字花科蔬菜。而菜粉蝶产卵有选择性，如在同一菜地里同时栽种上列各类蔬菜。常喜产卵于甘蓝类蔬菜上。当在同一菜圃里同时栽种结球甘蓝、花椰菜和球茎甘蓝等甘蓝类变种时，更喜产卵于结球...
Pieces of Pieris gardener is a larva of Pieris brassicae which is a major hazard to cruciferous vegetables such as cabbage, mustard, radish and watercress. The cabbage butterfly spawning selective, such as in the same vegetable planted above all kinds of vegetables. Chang Xi spawns in cabbage vegetables. When cabbage varieties such as cabbage, broccoli and kohlrabi are planted in the same garden at the same time, they prefer to lay their eggs at the knot ...