期刊
CROP PROTECTION
卷 28, 期 3, 页码 269-272出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.cropro.2008.11.003
关键词
Bioassay; Biocontrol; Metarhizium anisopliae; Beauveria bassiana; Paecilomyces fumosoroseus; Heterorhabditis bacteriophora; Heterorhabditis megidis; Heterorhabditis downesi; Steinemema feltiae; Steinernema carpocapsae; Virulence; Wireworms
类别
Wireworms, the subterranean larval stage of click beetles (Coleoptera: Elateridae), are an important pests of potatoes throughout the world. Laboratory assays were done to identify virulent strains of entomopathogenic nematodes (EPN) and fungi against wireworm, Agriotes lineatus (L.) (Coleoptera: Elateridae). A fungus, Metarhizium anisopliae (Metsch), Sorokin strains V1002 and LRC181A, caused 90 and 100% mortality of A. lineatus, 3 weeks post-inoculation. Other M. anisopliae strains caused mortality ranging between 10 and 70%, whereas strains of Beauveria bassiana (Balsamo) Vuillemin and Paecilomyces fumosoroseus (Wize) were non-pathogenic to A. lineatus. The EPN, Heterorhabditis bacteriophora Poinar strain UWS1, caused significantly greater mortality (67%) to A. lineatus than other EPN species (0-50%), 3 weeks post-inoculation. The organophosphate insecticide Mocap 10G gave 100% control. The present results suggest that M. anisopliae strain V1002 has considerable potential for the control of the wireworm tested. (C) 2008 Elsevier Ltd. All rights reserved.
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