山西太原700万亩农田可能遭遇病虫害

• 作 者: 王玉芳
• 出 处: 农药市场信息
• 发表日期: 2011年07期
• 关键词: 蔬菜病虫害 美洲斑潜蝇 叶霉病 霜霉病 白粉虱 蓟马 春季降水量 遭遇 白粉病 蚜虫

太原市2011年农作物主要病虫中等发生,局部地区部分病虫偏重发生,发生面积700万亩次左右。据预测,今年我市春季降水量40毫米～60毫米,较常年偏少,有阶段性旱情发生,气温较常年同期偏高,利于温室美洲斑潜蝇、花卉螨类、蚜虫、白粉虱、蓟马、霜霉病、叶霉病、白粉病等病虫繁殖,造成蔬菜病虫害提早和连续性发生。5月份降水20

In 2011, the main pests and diseases of crops in Taiyuan occurred moderately, and some pests and diseases were prevalent in some areas, with an area of ​​about 700 mu. It is predicted that the spring precipitation in our city will be 40mm ~ 60mm this year, which is less than normal. There are phased drought and temperatures are higher than those in the same period of last year, which are favorable to greenhouse moths, flower mites, aphids, whiteflies and thistles Ma, downy mildew, leaf mold, powdery mildew and other pests and diseases, resulting in early and continuous occurrence of vegetable pests and diseases. Precipitation in May 20