新疆北部棉区棉蚜大发生原因及综合防治

从新疆奎屯垦区棉蚜越冬基数、气候条件、种植结构、防治措施、品种特点等方面,分析了新疆北部棉区棉蚜大发生的原因,结果表明气候条件与棉蚜大发生关系密切,不合理的种植结构和防治措施也是棉蚜泛滥成灾的主要因素.提出了从越冬防治、点片挑治、生态调控等为重点的棉蚜综合治理的各项措施.

Analysis on the reason of serious occurrence of Aphis gossypii in the cotton area of the North Xinjiang

The reason of serious occurrence Aphis gossypii Glover in the cotton area of the North Xinjiang was analyzed, on the basis of the base number, climatic condition, planting structure, control measures, variety characteristics etc.of overwintering Aphis gossypii Glover in Kuytun Xinjiang.The analysis result indicated that the climatic condition has close relation to Aphis gossypii Glover. The unreasonable planting structure and control measure were also the main factor which caused serious Aphis gossypii. Finally some reasonable synthetic measures controlling Aphis gossypii Glover were put forward, according to overwintering control, physically luring and killing the pests,ecological regulation and control.