[10] In vitro acaricidal activity of extracts from 16 traditional Chinese medicines against Psoroptes ovis var. cuniculi

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In vitro acaricidal activity of extracts from 16 traditional Chinese medicines against

                                          Psoroptes ovis var. cuniculi

      Yuqing Liang, Cheng Guo, Chunlin Fang, Qinghua Ye, Xiaobin Gu, Xuerong Peng, Guang-you Yang

                                                   


Abstract

The in vitro acaricidal activities of 16 different traditional Chinese medicines against Psoroptes ovis 

var. cuniculi were evaluated using extracts prepared by water decocting and ethanol thermal 

circumfluence. The decoction extracts of Leonurus japonicus, Euphorbia lunulata, and Pyrethrum 

carneum had strong toxicities towards mites, as did mixtures of the aqueous extracts of L. japonicus 

and E. lunulata. The mixture containing aqueous extracts of L. japonicus and E. lunulata in a 1:1 

ratio killed all mites within 6 h, and mixtures with ratios of 1:0 and 0.5:1 also exhibited strong 

toxicity. The results indicated that L. japonicus and E. lunulata contain potent acaricidal ingredients. 

In vitro acaricidal activity of extracts from 16 traditional Chinese medicines against Psoroptes ovis

var. cuniculi. 

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International Journal of Acarology,2017,43(6):399-403

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