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羊角扭的果、叶、茎粗提物对菜粉蝶幼虫具有较好的拒食作用和毒杀作用，从羊角扭植物中分离出来的羊角扭总甙对菜粉蝶４龄幼虫的ＬＣ_(５０)和ＬＣ_(５０)分别为３２．０４６ ８ ｍｇ／Ｌ和３７９.７１８ １ ｍｇ／Ｌ．田间试验表明，■＝０．０５％羊角扭甙水剂防治菜粉蝶效果好．
The results showed that the crude extracts from the twigs, stems and stems had good antifeeding and toxic effects on the larvae of Pieris rapae. The results showed that LC50 (50) and LC_ (50) were 32.046 8 mg / L and 379.718 1 mg / L, respectively. Field experiments show that, ■ = 0.05% clavulanic agent prevention and treatment cabbage butterfly effect is good.