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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2017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,重于去年和常年。虫害主要有麦蚜、麦蜘蛛、地下害虫、吸浆虫等,病害主要有纹枯病、赤霉病、白粉病、锈病等。预计发生面积1.72亿亩次。虫害:麦蚜大发生,半岛及鲁南中等至偏重发
According to the pests and diseases base, weather conditions, crop layout and growth situation, combined with historical data, the first half of the province of pests and diseases occur in the Chamber of Commerce experts will analyze the consultation on the province in the first half of 2017 crop pest predation trends forecast As follows: First, the overall occurrence of wheat pests, heavier than last year and perennial. Pests mainly wheat aphids, wheat spiders, underground pests, inhalation of insects, etc., the main diseases are sheath blight, scab, powdery mildew, rust and so on. Estimated area of 172 million mu times. Pests: wheat aphid occurred, Peninsula and Lunan moderate to partial hair