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一、问题的提出: 棉花是我区主要的经济作物,近年来由于推广地膜植棉,棉花单位面积产量大幅度增加,但在推广地膜植棉过程中,也出现了一些新的问题,而棉花铃腐的大量出现,就是其中之一。根据今年八月中旬我们在夏马力巴格公社和多米提巴格公社棉田调查,棉花铃腐的发病株数占调查总株数的18—52.5％,平均减产7.5—10％,是当前推广地膜植棉过程中急待解决的问题之一。 二、棉花铃腐产生的原因: 根据我们调查,棉花铃腐在一般棉田很少发生,或根本就不发生,发生最重的是地膜棉田和长势较好的棉田。经过调查分析,
First, the issue put forward: Cotton is the main economic crops in our region, in recent years due to the promotion of plastic film cotton, cotton yield per unit area increased significantly, but in the promotion of plastic film cotton, there have been some new problems, and cotton A large number of bell rot appear, is one of them. According to a survey conducted by the community in Sharmibag Commune and the Domitig Bagh commune in mid-August this year, the number of cotton boll diseases accounted for 18-52.5% of the total number of surveys and the average yield was reduced by 7.5-10%. This is the current promotion of mulch cotton One of the problems to be solved in the process. Second, the reasons for the production of cotton boll: According to our survey, cotton boll rarely occurs in the general cotton fields, or simply not happen, the heaviest is the cotton membrane and growing cotton fields better. After investigation and analysis,