宿州市位于黄淮海小麦主产区南缘,是国家优质小麦商品粮生产基地。2004年小麦种植面积34.47万hm2。由于冬春偏暖,小麦返青拔节至灌浆期气温偏高、降雨偏少等因素影响,小麦穗蚜在本市暴发为害,全市超过防治指标的发生面积33.33万hm2,占种植面积的96.7%。据市、县(区)植保站3月底 Suzhou City is located in the southern edge of Huang-Huai-Hai wheat main producing areas, is the national high-quality wheat commodity grain production base. 2004 wheat planting area of ​​344700 hm2. Due to the warm winter and spring, wheat regurgitant up to the grain filling temperature is high, less rainfall and other factors, wheat spikes aphids in the city outbreaks, the city more than prevention and control of the occurrence of an area of ​​333,300 hm2, accounting for 96.7% of the area planted. According to the city, county (district) Plant Protection Station by the end of March