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今年秋季以来,气温一直偏高,晴天多,日照足,在田蔬菜的长势明显好于往年。但由于温度偏高,早晚湿度偏大,菜青虫、小菜蛾、甜菜夜蛾、斜纹夜蛾、蚜虫、猿叶虫、烟粉虱以及叶菜和莴苣上的霜霉病发生明显重于往年同期,应注意及时防治。害虫当前菜田害虫虽然有较发高生的动发态生数
Since the autumn of this year, the temperature has been high, sunny, and full sunlight. The growth of vegetables in the field is obviously better than in previous years. However, the occurrence of downy mildew on Pieris rapae, Plutella xylostella, Spodoptera exigua, Spodoptera litura, Aphid, Simiannella, Bemisia tabaci and leafy vegetables and lettuce was significantly heavier than that of previous years due to the high temperature, , Should pay attention to timely prevention and treatment. Pest Although the current vegetable pests have higher incidence of dynamic hairy students