论文部分内容阅读
安徽省植保总站近期对今年大豆病虫害发生趋势做出预测,大豆病虫或偏轻发生。全省大豆主要病虫发生总面积约1200万亩次。在大豆苗期和分枝期防治好蚜虫、地下害虫等。当百株蚜量达500头时,亩用氰戊菊酯有效成分4克或吡虫啉有效成分3克或抗蚜威有效成分8克,对水喷雾防治。农户也可以每50亩架设一盏频振式杀虫灯,傍晚开灯,次日零时关灯,诱杀金龟子、蝼蛄、豆天蛾、大豆食心虫、豆荚螟等害虫。
Plant Protection Station in Anhui Province recently predicted the trend of soybean pests and diseases this year, soybean pests or partial light occurred. The province’s main pests and diseases occurred a total area of about 12 million mu times. Prevention and control of aphids, underground pests and so on in the soybean seedling stage and the branching period. When a hundred aphids amount to 500, the active ingredient fenvalerate mu 4 grams or 3 grams of active ingredients imidacloprid or active ingredient 8 grams, the water spray control. Farmers can also set up a frequency-vibration pest-killing lamp for every 50 mu, turn on the lights in the evening, turn off the lights at the next day at zero, decoy and kill beetles, emus, moth, soybean pod borer and so on.