论文部分内容阅读
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,经专家分析会商,山东省农作物病虫测报站日前对全省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2000万亩,重于去年;地下害虫偏轻发生,发生面积1700万亩,接近常年;吸浆虫发生较常年偏轻;麦叶蜂发生重于常年。病害:赤霉病有中度流行可能;小麦条锈病在局部流行概
According to the conditions of pest and insect base, weather conditions, crop layout and growth, combined with historical data, the experts analyzed the meeting, the Shandong Provincial Pest and Disease Report Station recently forecast the main pests and diseases in the province in the first half of 2014 as follows: Wheat pests generally occur moderately. 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: aphids occurred in wheat, peninsula and Lunan moderate to moderate occurrence occurred, an area of 5500 mu, close to perennial; wheat spider occurred moderately, Luzhong, Lunan mountain area partial emphasis, occurred area of 2000 mu, heavier than last year; underground Occurrence of pests partial light, the occurrence of an area of 1700 mu, close to perennial; Midge more perennial light; Occurrence heavier than perennial. Disease: Scab is moderately likely; wheat stripe rust is endemic