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棉花根蚜是我区新发生的一种棉花地下害虫。其特点是为害根部,严重的造成棉株全株萎蔫。我区1963—1965年,连续三年发生,以1964年为害较重,全区29,370亩棉田发虫682亩,其中有72亩成片枯萎,缺苗80%左右,严重影响了棉花生产。 通过几年的观察研究,我们对棉花根蚜的特征特性初步有了一些认识,对防治方法也初步积累一些经验。现将研究材料整理报
Aphis gossypii is a new cotton underground pest in our district. It is characterized by damage to the roots, resulting in a serious wilting whole plant cotton. My area 1963-1965 years, occurred for three consecutive years, heavier damage in 1964, the entire area of 29,370 acres of 6821 acres of cotton insects, of which 72 acres into pieces withered, lack of seedlings about 80%, seriously affected the cotton production. Through several years of observational studies, we initially got some understanding of the characteristics of cotton aphids, and also initially accumulated some experiences on control methods. Now study materials finishing