据全国农业技术推广服务中心会同科研、教学和推广单位专家分析预测,2011年小麦病虫害偏重发生,总体程度重于2010年,预计发生面积10.0亿亩次,与2010年持平。其中,虫害发生5.4亿亩次,病害发生4.6亿亩次。蚜虫呈偏重至大发生态势,白粉病、纹枯病偏重发生,条锈病、赤霉病有潜在流行的威胁,部分地区吸浆虫呈加重趋势。 According to the analysis and forecast of experts from scientific research, teaching and promotion units of the National Center for Agricultural Technology Extension and Service, the pest and disease stress in 2011 will be heavier than in 2010, with a predicted area of ​​10.0 billion mu and the same level with 2010. Among them, the pest occurred 540 million mu times, the disease occurred 460 million mu times. Aphids are biased to the great trend, powdery mildew, sheath blight are prevalent, stripe rust, scab belongs to the potential epidemic threat, in some areas midge, the trend is aggravating.