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大豆是我省的主要经济作物之一,常年播种面积达八百万亩以上,但因蛴螬的危害,一般减产1—2成,仅此项全年约损失1亿公斤。蛴螬直接危害大豆根部,重者把根部的表皮剥着吃光,仅剩下木质部,造成死株,严重地影响了大豆的产量与质量。 蛴螬的防治主要掌握在成虫与幼虫这两个关键时期,其防治方法如下。 一、农业防治:要实行水旱轮作,减轻蛴螬的危害,深耕拾虫,在大豆收获以后进行深耕细耙,将蛴螬翻出土
Soybean is one of the main cash crops in our province. Its perennial planting area is more than 8 million mu. Generally, soybean production is reduced by 1-2% due to its harmful effects. Only about 100 million kg is lost during this year.蛴 螬 directly endanger the roots of soybeans, severe cases of the root of the epidermis peel eaten, leaving only the xylem, resulting in dead strains, seriously affecting the yield and quality of soybeans. The control of catfish mainly in the two key period of adult and larvae, the prevention and treatment as follows. First, the prevention and control of agriculture: to implement the rotation of flood and drought, reduce the harm of cats and insects, deep piling flies, harvesting harvesters in soybeans after the fine harrow,