一、早稻前期主要病虫发生概况。受早春低温阴雨天气的影响,广西春插前期较去年稍迟。但进入5月以后出现的较明显的大范围强降雨天气对春耕生产起到积极的作用。5月份广西气温大部明显偏低,不利于水稻病虫害的发生为害,因此与去年 First, early rice early pest and disease profiles. Affected by the early spring low temperature rainy weather, Guangxi early spring insert a little later than last year. However, the obvious large-scale heavy rainfall that appeared after May has played a positive role in the production of spring plow. Most of the temperatures in Guangxi were significantly lower in May, which is not conducive to the occurrence of rice pests and diseases, so compared with last year