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应用叶碟法就瑞香狼毒 (StellerachameajasmeL .)根乙醇提取物 (简称SCEE)对4种重要蔬菜害虫的拒食率、LC50 和处理后 7d的校正死亡率进行了测定。结果表明 ,SCEE对菜粉蝶、桃蚜的生物活性很强 ,对斜纹夜蛾和小菜蛾的生物活性较弱
The antifeedant rate, LC50, and corrected mortality at 7 days after treatment of four important vegetable pests were determined by leaf disc method with Stellerachamea jasme L. root ethanol extract (SCEE). The results showed that SCEE had a strong biological activity against Pieris rapae and Myzus persicae and weak biological activity against Spodoptera litura and Plutella xylostella