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斜纹夜蛾从历史上看,今年是盛发的一年,对危害棉花来讲,也是稀罕的一年。它的食性是杂食性的。因此被害的作物在江浦县今年泛及棉花、玉米、大豆、向日葵、甘薯、甜菜、藕荷、茄子等等。但在这些作物中以棉花、玉米、大豆三种作物寄食为主,其他次之。现在仅就它危害棉花的现象,来观察它的发生规律和生活习性,以及防治方法,加以分述,作为对今后防治工作的参考。一、发生规律关于斜纹夜蛾的越冬场所,和它以什么虫态越冬,还是摸不清楚的。由于它在过去是星星点点的发生,人们都不大注视。对它的发生规律和生活习
Spodoptera louse From a historical point of view, this year is a flourishing year, in terms of endangering cotton, is also a rare year. Its food habits are omnivorous. Therefore, the crop was harmed this year in Jiangpu County, cotton, corn, soybeans, sunflowers, sweet potatoes, sugar beet, lotus root, eggplant and so on. However, in these crops, cotton, corn, soybean three kinds of food-based feeding, followed by other. Now only on the phenomenon of endangering cotton, to observe its occurrence and habits, as well as prevention and treatment methods, to be divided, as a reference for future prevention and control work. First, the law Occurring on the wilting’s place of winter, and what it is overwintering, or not clear. Because it used to be a bit of a star in the past, people did not pay attention. The law of its occurrence and living habits