当前江苏省南通地区在田的露天蔬菜品种主要有瓜类蔬菜(西瓜、黄瓜、丝瓜、冬瓜等),茄果类蔬菜(茄子、番茄、青椒),豆类蔬菜(豇豆、扁豆、刀豆)等。虫害主要有茄二十八星瓢虫、蜗牛和大豆卷叶虫等。病害主要有霜霉病、白粉病、炭疽病等。一、当前病虫发生情况二十八星瓢虫:主要在茄子、青椒上为害。6月20日调查10块茄子田,百株成虫0~66.7头,平均13.3头,百 At present, the open-air vegetable varieties in the field in Nantong, Jiangsu Province mainly include melon vegetables (watermelon, cucumber, sponge gourd, melon, etc.), solanaceous vegetables (eggplant, tomato and green pepper), legume vegetables (cowpea, lentil, Wait. Insect mainly tomato twenty-eight ladybugs, snails and soybean leaf worms. The main diseases are downy mildew, powdery mildew, anthracnose and so on. First, the current incidence of pests 28 stars Ladybug: mainly in eggplant, green peppers harm. June 20 survey 10 eggplant fields, 100 adult 0 to 66.7 heads, an average of 13.3 heads, one hundred