根据全省农作物品种布局、栽培条件和病虫越冬基数,结合历史资料及气象条件综合分析,预计2008年吉林省农作物主要病虫害总的发生趋势为中等偏重发生,虫害多于病害,发生面积约1.1亿亩次。其中,玉米螟、大豆食心虫、地下害虫、稻瘟病等重大病虫害将偏重发生。 According to the layout of the crop varieties, planting conditions and the number of pests and diseases overwintering in the province, combined with historical data and comprehensive analysis of meteorological conditions, it is estimated that the main pests and diseases occurrence in Jilin Province in 2008 are moderately heavier and more pests occur than the diseases with an area of ​​about 1.1 Acres times. Among them, corn borer, soybean borer, underground pests, rice blast and other major diseases and pests will be prevalent.