论文部分内容阅读
一、发生趋势全省农作物病虫害趋势会商会专家预测2013年我省水稻重大病虫害将呈重发态势。其中纹枯病、稻飞虱大发生,稻纵卷叶螟偏重发生,局部大发生,二化螟、稻曲病中等发生,局部地区偏重发生,稻瘟病在感病品种上存在偏重流行风险,南方水稻黑条矮缩病潜在流行风险大。全省水稻重大病虫害发生面积预计达3.1亿亩次以上,其中水稻飞虱、稻纵卷叶螟、二化螟、
First, the trend occurs The province’s crop pests and diseases will be Chamber of Commerce experts predict 2013 rice diseases in our province will be re-emerging situation. Among them, sheath blight and planthopper occurred greatly, partial stress occurred on rice leaf roller, local occurrence occurred, the stem borer and rice false smut occurred moderately, and some regions were preoccupied with rice blast disease. Southern rice black-streaked dwarf disease potential epidemic risk. The province’s major pests and diseases occurring area of rice is expected to reach more than 3.1 million mu times, of which rice planthopper, leaf roller, rice stem borer,