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1．4瓜类作物主要病毒病流行病学研究1.4.1传毒介体的研究谢洁等（198）研究了引起新疆哈密瓜花叶病的3种病毒WMV－2，CMV，SqMV的流行病学，研究证明WMV一2的介体主要有麦二又蚜［Schizaphisgraminum（Randani）］，苜蓿蚜（Aphismedicaginiskoch），伞形蚜[Aphisumbreua（Bor
1.4 melons crop epidemiology of major virus 1.4.1 poison mediator XIE Jie et al (198) studied the Xinjiang Mungbean Mosaic disease three viruses WMV-2, CMV, SqMV epidemic Studies have shown that the mediators of WMV-2 are mainly Schizaphis graminum (Randani), Aphis medicaginiskoch, Aphisumbreua (Bor