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根据病虫基数、气象条件、作物布局及长势等情况,结合历史资料,经全省上半年农作物病虫发生趋势会商会专家分析会商,对全省2014年上半年农作物主要病虫发生趋势预报如下:一、小麦病虫总体中等发生。虫害主要有麦蚜、麦蜘蛛、地下害虫、吸浆虫等,病害主要有赤霉病、锈病、纹枯病、白粉病等。预计发生面积1.69亿亩次,大于去年,接近常年。虫害:小麦蚜虫大发生,半岛及鲁南中等至偏重发生,发生面积5500万亩,接近常年;麦蜘蛛中等发生,鲁中、鲁南山区局部偏重,发生面积2000万
According to the situation of pest and insect base, meteorological conditions, crop layout and growth, combined with historical data, through the first half of the province the trend of crop pests and diseases will be Chamber of Commerce expert analysis meeting, the province in the first half of 2014 main crop pests and diseases trend forecast As follows: First, the overall incidence of wheat pests. Pests are wheat aphids, wheat spiders, underground pests, inhalation of insects, etc., the main diseases are scab, rust, sheath blight, powdery mildew and so on. Estimated area of 169 million mu times, greater than last year, near perennial. Pests: wheat aphid occurred, Peninsula and Lunan moderate to biased occurred, the occurrence of an area of 5500 mu, close to perennial; wheat spiders occur moderately, Luzhong, Lunan mountain area partial emphasis, the occurrence of an area of 20 million