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我区大豆害虫种类多,对大豆产量影响大。为了摸清其种类及主要害虫发生为害规律,为预测预报和防治提供依据。 春、夏、秋大豆采用分期(早、中、迟)和周年播种,结合大田苗期、花期和结荚期进行害虫种类,大豆被害率和虫口密度调查,在双色灯下逐日记录大豆害虫种类,数量和发生时间,并收集标本分别进行鉴定,室内、外饲养虫子,观察发生世代。
Soybean pests in our region and more types of large impact on soybean yield. In order to find out its types and the main pest damage patterns, provide the basis for forecasting and controlling. Spring, summer and autumn soybean were staged by planting (early, middle and late) and annual planting. Based on the investigation of the pest species, the damage rate of soybean and the density of the pests during the seedling stage, flowering and podding stage, the soybean pests species , The number and time of occurrence, and specimens were collected for identification, indoor and outdoor feeding insects, observed generation occurred.