Effect of Inoculation Method on Toxicity of Beauveria bassiana against 5<sup>th</sup> Instar Larvae of Homona coffearia

WANG Ding-feng; CENG Ming-sen; LI Hui-ling; WANG Qing-sen; WU Guang-yuan

doi:10.19303/j.issn.1008-0384.2012.10.014

Volume 27 Issue 10

Dec. 2012

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Article Navigation > Fujian Journal of Agricultural Sciences > 2012 > 27(10): 1097-1101

WANG Ding-feng, CENG Ming-sen, LI Hui-ling, WANG Qing-sen, WU Guang-yuan. Effect of Inoculation Method on Toxicity of Beauveria bassiana against 5th Instar Larvae of Homona coffearia[J]. Fujian Journal of Agricultural Sciences, 2012, 27(10): 1097-1101. doi: 10.19303/j.issn.1008-0384.2012.10.014

Citation:

WANG Ding-feng, CENG Ming-sen, LI Hui-ling, WANG Qing-sen, WU Guang-yuan. Effect of Inoculation Method on Toxicity of Beauveria bassiana against 5^th Instar Larvae of Homona coffearia[J]. Fujian Journal of Agricultural Sciences, 2012, 27(10): 1097-1101. doi: 10.19303/j.issn.1008-0384.2012.10.014

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Effect of Inoculation Method on Toxicity of Beauveria bassiana against 5^th Instar Larvae of Homona coffearia

doi: 10.19303/j.issn.1008-0384.2012.10.014

Tea Research Institute,Fujian Academy of Agricultural Sciences,Fu′an,Fujian 355015,China

Received Date: 2012-09-28
Publish Date: 2012-10-18

Abstract

Abstract

Toxicities of Beauveria bassiana strains,JYBb201 and JYBb202,against the 5th instar larvae of Homona coffearia were compared when 4 different methods of inoculation were applied.The adjusted mortality rates of H.coffearia larvae subjected to 1.0×107 conidia·mL-1 spore suspensions of JYBb201 and JYBb202 were found to be 85.00% and 81.94%,respectively,when the larvae were submerged in the spore suspension;82.50% and 76.94%,respectively,when the larvae were smeared with the spore suspension;47.50% and 43.61%,respectively,when the tea tips were dipped in the suspension;and,52.50% and 48.61%,respectively,when the spore suspension was sprayed on the larvae.The immersing method also appeared to bring about the highest cadaver rates at 67.50% for JYBb201 and 57.50% for JYBb202.It was the same when the LT50 values were used for the comparison 3.510 d for JYBb201 and 3.808 d for JYBb202.
- Beauveria bassiana,
- Homona coffearia Meyrick,
- inoculation method,
- toxicity

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References(14)

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