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近日因前几天的暴雨灾害下乡察看灾情,由于近段雨水多不利于菜田病虫害的防治,导致有些高温型病虫害暴发成灾,如甜菜夜蛾、豆荚螟、软腐病等。在某蔬菜合作社的黄花菜基地,正是黄花菜采收季节,远望一片鹅黄,笔者兴致勃勃去拍照,不料近看黄花菜的叶、薹和花蕾上粘满了密密麻麻的蚜虫,一百多亩的黄花菜,蚜虫发生虫株率达100%,因蚜虫危害造成的损失应在10%以
Recently due to a few days ago rainstorm disaster rural investigation of the disaster, due to the recent rain is not conducive to the prevention and control of vegetable fields and pests, resulting in some high temperature pests outbreaks, such as beet armyworm, pod borer, soft rot and so on. In a vegetable cooperative day lily base, it is day lily harvest season, a distance afar, the author spirited to take pictures, but close to see the day-long lily leaves, sprouts and buds filled with dense aphids, more than 100 Mu of lily, aphid insect strains occurred rate of 100%, due to damage caused by aphids should be 10% to