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从我国北方大豆产区采集线虫土样,应用 A.M.Golden 等的方法和鉴别品种 Lee、Pickett、Peking、PI88788和PI00763等,于每年5月至9月在室外试验围内进厅盆栽鉴定。第二批鉴定的9份土样,共鉴定出大豆胞囊线虫的三个生理小种。即1号、3号和4号生理小种,其中1号小种来自辽宁省的义县和旅顺;3号小种分布在辽宁省沈阳市苏家屯、抚顺市、开原县、凤城县;黑龙江省的富裕县,内蒙古科左中旗的保康;4号小种采自山西省的太原市。
Nematode soil samples were collected from the northern soybean producing areas of China. The methods of A.M.Golden et al. And identification of varieties Lee, Pickett, Peking, PI88788 and PI00763 were used to identify potted plants in the outdoor test area from May to September every year. The second batch of nine soil samples identified a total of three physiological races of soybean cyst nematode. Namely race 1, race 3 and race 4, race 1 race came from Yixian and Lushun of Liaoning Province; race 3 race was held in Shenyang of Sujiatun, Fushun, Kaiyuan, Fengcheng County; rich county in Heilongjiang Province, Inner Mongolia Kezuozhongqi Baokang; No. 4 races collected from Taiyuan City, Shanxi Province.