Journal of Northern Agriculture ›› 2012, Vol. ›› Issue (2): 74-74.
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ZHONG Yan-pin(Horticultural Institute,Inner Mongolia Academy of Agriculture and Aninal Husbandry,Hohhot 010031,China)
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Abstract: 4 kinds of plant extracts on wolfberry gall mite virulence activity were determined,The results show that:Wormwood leaf,Fructus Cnidii extracts with strong virulence activity,Two kinds of extracts in diluted 1000 times and 2000 times of wolfberry gall mite killing effect of more than 90%,Through the regression analysis of LC50 were 0.1671 mg/ml and 0.1529mg/ml.
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