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根据近两年对大豆食心虫防治试验和生产上应用效果,防治关键在于选用对路农药和适时用药。一、成虫防治防治关键在于抓住发蛾盛期进行用药,在8月1日~10日开始选择重茬或距上年豆茬较近的豆田地块,固定四点,垅长50米,每天下午四时以后用木棍拨动大豆植株,发现蛾量成倍增长,并有成群蛾飞翔,即为成虫出现盛期,此时用药是防治最佳
According to the past two years on the prevention and control of soybean pod borer production and application of the effect of prevention and control is the key to the choice of pesticides on the road and timely medication. First, the key to prevention and control of adults is to seize the peak moth period for medication, in the August 1 to 10 began to select crop or near the bean stalks of the previous year the land plots, fixed four points, 50 meters long, every day After four o’clock in the afternoon with a stick to sow the soybean plants, found that the amount of moth doubled, and there are flocks of moths flying, that is, the emergence of adult peak, when the drug is the best prevention and control