随着气温回升,各种病虫防治工作将陆续进入关键时期。据农业部专家分析,预计今年全国农作物重大病虫害总体为偏重发生年,发生面积约60亿亩次,比上年增加5%左右。其中,条锈病在西南、汉水流域、西北麦区偏重或大流行,黄淮海主产麦区有中度以上流行的可能,发生面积5000万亩以上;白粉病在 As temperatures rise, various pest control efforts will gradually enter a crucial period. According to the analysis of experts from the Ministry of Agriculture, it is estimated that the major pests and diseases in crops throughout the country will be year by year with an area of ​​about 6 billion mu, an increase of about 5% over the previous year. Among them, the stripe rust in the southwest, Han River Basin, Northwest wheat overweight or pandemic, Huang Huai Hai main wheat producing area is more than moderate prevalence may occur, the area of ​​more than 50 million mu; powdery mildew