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四川省农业厅植保站根据当前蔬菜病虫基数,结合栽培管理和天气趋势综合分析,预计2014年四川省春季蔬菜病虫总体偏重发生(4级),主要病虫有霜霉病、灰霉病、疫病、蚜虫、菜青虫小、菜蛾。具体预报情况如下:霜霉病:预计中等发生(3级),主要在瓜类莴、笋白、菜甘、蓝等蔬菜上发生为害灰。霉病预计偏重发生(4级),主要在茄科蔬菜上发生为害。疫病:预计中等发生(3级),主要在茄科蔬菜上发生为害。蚜虫:预计中等发生(3级),主
Sichuan Provincial Department of Agriculture plant protection station based on the current vegetable pests and diseases base, combined with the cultivation management and weather trends, a comprehensive analysis of spring vegetables in Sichuan Province in 2014 is expected to focus on the occurrence of spring (grade 4), the main pests are downy mildew, gray mold , Blight, aphids, Pieris rapae, Plutella xylostella. Specific forecasts are as follows: Downy mildew: expected to occur moderately (Grade 3), mainly melon lettuce, bamboo shoots white, vegetable sweet, blue and other vegetables ash occurs ash. Mildew is expected to be heavily biased (level 4), mainly on Solanaceae vegetables. Epidemics: Expected to occur moderately (Grade 3), occurring mainly on Solanaceae vegetables. Aphids: Expected to occur moderately (level 3), Lord