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西瓜病毒病是西瓜生产上的主要病害，严重影响西瓜的产量和品质，一般可减产30％左右。近年来洛阳地区西瓜病毒病（WMV－2）呈上升趋势，造成大面积减产。本试验用病毒K等9种病毒抑制剂在西瓜上进行药效试验，旨在筛选出防病增产效果好的防病药剂，为大面积推广提供依据。1材料
Watermelon virus disease is the main watermelon disease, seriously affecting the yield and quality of watermelon, the general reduction of about 30%. In recent years, watermelon virus disease (WMV-2) in Luoyang has been on the rise, resulting in large-scale yield reduction. In this experiment, 9 virus inhibitors such as virus K were tested on watermelon for the purpose of screening anti-disease agents with good disease-prevention and yield-increasing effects and providing the basis for large-scale promotion. 1 material