药用植物粗提物对罗汉果花叶病毒病的防治作用研究

目的]寻找有效防治罗汉果花叶病毒病的方法。方法]研究测定4种药用植物粗提物对罗汉果病毒病的防治作用。结果]结果表明，板蓝根、贯众、大黄和黄芩的粗提取物对罗汉果病毒病的防治效果分别为73．10％、46．20％、46．20％和57．60％；板蓝根粗提取物用水稀释5、10、50、100和200倍液对罗汉果病毒病的防治效果分别为77．48％、59．15％、59．15％、52．14％和43．69％。结论]该研究为探讨防治罗汉果病毒病的新途径提供理论依据。

Study on Prevention Effect of Extracts from Several Medicinal Plants on Mosaic Virus Disease of Momordica grosvenori Swingle

Objective]The purpose of this study was to search the method of effectively preventing mosaic virus disease of Momordica grosvenori Swingle.Method] The medicinal plants of Strobilanthea cusia,Nephrolepis auricutata,Rheum pahlmatum and Scutellaria baicalensis were tested for controlling mosaic virus disease of Momordica grosvenori Swingle in this study.Result]The results showed that the extracts of four medicinal plants could control the disease.The control efficacy of Strobilanthea cusia,Nephrolepis auriculata,Rheum pahlmatum and Scutellaria baicalensis on the disease was 73.10%,46.20%,46.20% and 57.60%,respectively.The control efficiency of extracts of the 5,10,50,100 and 200 times dilution of Strobilanthea cusia on the disease was 77.48%,59.15%,59.15%,52.14% and 43.69%,respectively.Conclusion]This study will provide the theoretical basis for new method of controlling virus disease of Momordica grosvenori Swingle.