Study on Control of Bettle Larvae by Mixture of Pesticides with Beauveria brongniartii(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: Study on Control of Bettle Larvae by Mixture of Pesticides with Beauveria brongniartii

Author(s):: SONG Long-teng¹; YU Hong-chun¹; WANG Yu-wei¹; ZHANG Xin-lin¹; XU Guo-qing²; 1.College of Agriculture，Northeast Agricultural University，Harbin，Heilongjiang 150030;
2.Institute of Plant Protection，Liaoning Academy of Agricultural Sciences，Shenyang，Liaoning 110161

Abstract:: Bioassay of different concentrations of Beauveria brongniartii(NEAU30503)spore suspension on white grub was detected，choosing formulaic Beauveria brongniartii and Green b.bassiana as control，and the mortality rate of Beauveria brongniartii with 2 kinds of chemical pesticides (Ceramic bens creme and kungfu creme) were also detected.The results of toxicity determination in laboratory showed that Beauveria brongniartii(NEAU30503) at the dose of 1.25×1011 conidia/L was highly correct mortality as 79.9%.The correct mortality of the reference treament was from 37.4% to 59.9%.While the mixtures of the insecticides with Beauveria brongniartii，the control effect of the mixtures of Dursban (1 000×) with Beauveria brongniartii showed the highest virulence whose LT₅₀ of the larvae was 2.1 d,and LT₉₀ was 4.9 d.

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Last Update: 2014-08-22