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本试验以四种麦蚜为传毒介体。对甘谷等地五十个毒源标样,在坝选一号莜麦上进行了传毒专化性鉴定。初步分离出四个不同的株系,暂定为:缢长蚜毒系(PGV),缢管蚜毒系(RPV),二叉蚜毒系(TGV),管蚜毒系(DGV)。从甘谷田间标样分析,一九七八年出现的病毒株系以缢长蚜毒系和二叉蚜毒系为主;同时初步看出,株系的分布及组成与一定的生态条件有密切关系。
In this experiment, four kinds of wheat aphids were used as the mediators. Fifty poisonous source samples of Gan Valley and other places were identified on the basis of the specialization of the virus in the selection of barley on the 1st dam. Four different isolates were initially isolated and tentatively identified as: PGV, RPV, TGV and DGV. According to the standard analysis of Gangu Valley, the virus strains appearing in 1978 mainly belonged to Phyllanthus longicifolium and Aphis craccivora. At the same time, it was initially concluded that the distribution and composition of the strains were closely related to certain ecological conditions relationship.