Inhibition effect of Ebenaceae Diospyroskaki leaf extract on intestinal bacteria from instar larvae of Dendrolimus kikuchii Matsumura

Using 5th and 3th instar larvae of Dendrolimu kikuchii Matsumura as the tested strains, Oxford cup method was used to measure the inhibition effect of the 5 different extract from Ebenaceae Diospyroskaki leaf.The results showed that except petroleum ether of Ebenaceae Diospyroskaki leaf extract the other 4 different extract from extract had inhibition effect on Dendrolimu kikuchii Matsumura, and with the decreasing concentrations of its inhibition also reduced.Inhibition of order was Ethyl acetate extract>Chloroform extract>Ethanol extract>N-butyl alcohol extract, the four Ebenaceae Diospyroskaki leaf extract had a strong inhibition effect on 302 strains.Ebenaceae Diospyroskaki leaf extract could be used as the good new plant source biological pesticide to development and utilization.