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我省棉花害虫种类多,棉蚜、棉铃虫发生猖獗,红蜘蛛、地老虎、蓟马、盲蝽象为害较重。经过秋深耕、冬灌,可以消灭田间越冬的一部分棉铃虫和红蜘蛛。棉花播种前后,采用以下几项措施,可大大减少当年虫源。 (一)“3911”处理棉种:这是极有效的一项预防措施。除积水地边缘,高寒地区或特晚播及间作套种田块外,棉田全部采用这一措施,可保证棉苗3片真叶以前不受棉蚜、蓟马、红蜘蛛、盲蝽象、种蝇、蝼蛄、金针虫,蛴螬与茎枯病的为害。具
There are many kinds of cotton pests in our province, cotton aphid and cotton bollworm are rampant, red spider, tiger, thrips and lizards are heavier. After autumn deep plowing, winter irrigation, you can eliminate part of the field of winter cotton bollworm and red spider. Cotton sowing before and after the adoption of the following measures can greatly reduce the source of that year. (A) “3911” cotton seed processing: This is a very effective preventive measure. In addition to the edge of the water, alpine regions or special late broadcasts and intercropping sets of plots, cotton fields all adopt this measure to ensure that the cotton seedlings 3 true leaves without cotton aphids, thrips, spider mites, Kinds of flies, emus, pinworms, slugs and stem blight damage. With