Control of Petroleum Spray Oils on the Natural Population of Chloropuicinaria psidii
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Abstract
The life table and interference index of population control(IIPC) were used to evaluate the effect of petroleum spray oils on the natural population of Chloropuicinaria psidii Mask by observation in the laboratory and the systematic investigation in the field.The result showed that the trend index of population(I) of C.psidii was 7.96.The trend index of population in treatment of petroleum spray oils was 0.237,and its IIPC was 0.030.It was indicated that the petroleum spray oils had good control effect of 97% on C.psidii.
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