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棉蚜为阿克苏地区棉花主要害虫之一,按危害时期不同可分为苗蚜和伏蚜。伏蚜在入伏后危害棉花,具有繁殖速度快、暴发危害性大等特点。其危害性远比苗期蚜虫严重,排出的油状物污染棉叶,大大降低叶面功能,影响光合作用及养分运输的正常进行,致使棉花嫩叶卷缩、蕾铃脱落,对棉纤维品质造成较大的影响。因此,抓好伏蚜的监测及防治工作,是争取多产、早产伏桃,提高棉花产量的重要措施。1阿克苏地区棉伏蚜发生规律
Cotton aphid is one of the main cotton aphids in Aksu region, according to the different hazards can be divided into seedling aphids and aphids. Aphids infest cotton after influx, with the characteristics of rapid propagation and outbreak of harmfulness. Its harmfulness is far more serious than the aphids at the seedling stage. The discharged oil contaminates the cotton leaf, greatly reduces the function of the leaf surface, affects the photosynthesis and the normal transport of nutrients, causing the cotton leaf to curl, Greater impact. Therefore, to do a good job of monitoring and prevention and control of aphids is to strive for prolific, premature peach, cotton yield an important measure. 1 Aksu cotton cotton aphid occurrence rules