作物在生长期间病虫害的发生易受天气的影响。梅雨季节或连续阴雨天气都是病虫害大量发生的时候,也是较难防治的时候。要在连续下雨的天气中适时用药并且保证防治效果是比较难的,但可以采取以下几种方法:1.选用内吸性或速效性农药内吸性强的农药如克百威、三唑酮、三环唑、多菌 The occurrence of pests and diseases during crop growth is vulnerable to the weather. Meiyu season or continuous rainy weather are a large number of pests and diseases, but also more difficult to control the time. To be timely and continuous rain in the medication and to ensure that the effect of prevention and control is more difficult, but can take the following methods: 1. Use systemic absorption or quick-acting pesticide Strong absorption of pesticides such as carbofuran, triazole Ketone, tricyclazole, multi-bacteria