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根据全省各地冬前病虫越冬基数调查及天气预报,结合近年农作物病虫发生实际情况、作物布局等因素综合分析,预测2005年全省主要农作物病虫害为中度偏重发生。小麦条锈病、麦蚜、油菜茎象甲、黄条跳甲、小菜蛾等病虫在青海省小麦、油菜产区中度偏重发生,冬小麦黄矮病、小麦吸浆虫、油菜露尾甲、地下害虫等病虫在局部地区中度或中度偏重发生。预计全省各类作物主要病虫害发生面积2000
According to the survey of winter pests and the forecast of winter weather in the whole province, combined with the actual situation of crop diseases and pests in recent years and the layout of crops, it is predicted that the major pests and diseases in the province will be moderately weighted in 2005. Wheat stripe rust, wheat aphid, rape beetle, yellow striped beetle, diamondback moth and other pests in wheat, rapeseed production areas in Qinghai Province, moderately severe occurrence, winter wheat yellow dwarf, midge, weevil pest, underground pests Such as pests in some areas of moderate or moderate emphasis occurred. It is estimated that the main pests and diseases of all kinds of crops in the province will take place in 2000