Entomopathogenic nematodes for the management of Agrotis ipsilon: effect of instar, nematode species and nematode production method

Pest Management Science
L Ebssa, Albrecht M Koppenhöfer

Abstract

Previous laboratory studies have indicated the potential of some entomopathogenic nematode (EPN) species for the control of larvae of the black cutworm (BCW). To determine the most promising EPN species and the most susceptible BCW stages, a more in-depth evaluation of seven EPN species against different BCW instars was carried out, the efficacies of in vitro- and in vivo-produced EPNs were compared and the suitability of BCW instars for EPN reproduction was examined. Heterorhabditis megidis was the most virulent species, irrespective of larval stage in small arenas, followed most often by H. bacteriophora. In pots with grass, Steinernema carpocapsae tended to be the most virulent species, followed by H. bacteriophora, H. megidis and S. riobrave. Fourth and/or fifth instars were the most susceptible stages to most EPN species, and pupae the least susceptible. Furthermore, H. bacteriophora, H. megidis and S. carpocapsae successfully reproduced in fifth and sixth instars and pupae. In vivo-produced H. megidis and S. carpocapsae controlled fifth instars better than the corresponding in vitro-produced products; production method did not affect H. bacteriophora and S. riobrave efficacy. Several in vitro-produced commercial EPN strai...Continue Reading

References

Oct 17, 2001·Applied Microbiology and Biotechnology·R U Ehlers
Jun 6, 2003·Journal of Invertebrate Pathology·Albrecht M Koppenhöfer, Eugene M Fuzy
Feb 6, 2007·International Journal for Parasitology·X-Y LiD L Cox-Foster
Jan 16, 2008·Evolution; International Journal of Organic Evolution·Vanya EmelianoffJean-Baptiste Ferdy

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Citations

Dec 2, 2015·Pest Management Science·Veerle M Van DammePatrick De Clercq
Nov 15, 2018·Archives of Insect Biochemistry and Physiology·Nazmi Harith FadzilahMaizom Hassan
Nov 20, 2018·Journal of Nematology·Jaime Ruiz-VegaCipriano García-Gutiérrez
Dec 8, 2019·Journal of Economic Entomology·Fernando H Iost FilhoElvira S de Lange
Dec 30, 2014·Genome Announcements·Armando Hernández-MendozaEdgar Dantán-González
Aug 3, 2020·Journal of Economic Entomology·Ramandeep Kaur SandhiGadi V P Reddy
Jul 28, 2020·Biotechnology and Bioengineering·Carlos Inocencio Cortés-Martínez, Norberto Chavarría-Hernández

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