根据农作物病虫基数、品种布局以及气侯趋势,结合病虫历年发生情况等因素综合分析,四川省农业厅植保站近日预计2013年全省农作物病虫总体偏重发生(4级),发生面积1.8亿亩次。主要病虫有条锈病、赤霉病、麦蚜、油菜菌核病、稻瘟病、稻曲病、水稻螟虫、稻飞虱、玉米螟、马铃薯晚疫病和西藏飞蝗。 Based on a comprehensive analysis of crop pests and diseases base, crop layout and climate trends, combined with the pest and disease occurrence over the years, the Plant Protection Station of Sichuan Provincial Department of Agriculture recently predicted that crop diseases and insect pests in the province will be generally heavily weighted (level 4) in 2013 with an area of ​​1.8 Acres times. The main pests are strip rust, scab, wheat aphid, sclerotinum scab, blast, false smut, rice stem borer, planthopper, corn borer, late blight and potato migratory locusts.