Laboratory evaluation of virulence of Chinese Beauveria bassiana and Metarhizium anisopliae isolates to engorged female Rhipicephalus (Boophilus) microplus ticks
文献类型: 外文期刊
作者: Ren, Qiaoyun;Liu, Zhijie;Guan, Guiquan;Sun, Ming;Ma, Miling;Niu, Qingli;Li, Youquan;Liu, Aihong;Liu, Junlong;Yang, Jifei;Yin, Hong;Luo, Jianxun
作者机构:
关键词: Rhipicephalus (Boophilus) microplus;Beauveria bassiana;Metarhizium anisopliae;Biological control;Entomopathogenic fungi
期刊名称: BIOLOGICAL CONTROL
ISSN: 1049-9644
年卷期: 2012 年 63 卷 2 期
页码:
收录情况: SCI
摘要: Rhipicephalus (Boophilus) microplus, an important ectoparasite that can transmit Babesia and Anaplasma, has caused inestimable economic losses around the world. Traditionally, acaricides are used for the control of ticks. However, drawbacks of chemical control, such as resistance, environmental pollution, and traces in food promote alternative strategies to pesticides. Microbial control is one option to reduce tick populations. In this study, we investigated the pathogenicity of thirteen Beauveria bassiana isolates and seven Metarhizium anisopliae isolates to the engorged female R. (B.) microplus ticks using different conidial concentrations of 10(7), 10(8) and 10(9) conidia mL(-1). Fourteen days after treatment, three B. bassiana isolates (B.bAT01, B.bAT03, B.bAT13) and one M. anisopliae isolate (M.aAT04) resulted in 100% mortality of engorged female ticks with conidial concentrations of 10(8) and 10(9) conidia mL(-1). Isolates of B.bAT01, B.bAT03, B.bAT13 and M.aAT04 at all conidial concentrations could reduce the reproductive efficiency index (REI) of R. (B.) microplus ticks. (C) 2012 Elsevier Inc. All rights reserved.
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