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| DOI: | 10.1002/ps.1550 |
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| Web URL(s): | https://onlinelibrary.wiley.com/doi/10.1002/ps.1550/full
Last checked: 04/13/2018
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Last checked: 04/13/2018
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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| Publication Type:
| Refereed |
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| Author(s): | Koppenhöfer, Albrecht M.;
Fuzy, Eugene M. |
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| Author Affiliation: | Department of Entomology, Rutgers University, New Brunswick, NJ |
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| Title: | Early timing and new combinations to increase the efficacy of neonicotinoid-entomopathogenic nematode (Rhabditida: Heterorhabditidae) combinations against white grubs (Coleoptera: Scarabaeidae) |
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| Section: | Research articles
Other records with the "Research articles" Section
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| Source: | Pest Management Science. Vol. 64, No. 7, July 2008, p. 725-735. |
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| Publishing Information: | Barking, Essex: Elsevier Science Publishers LTD |
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| # of Pages: | 11 |
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| Related Web URL: | https://onlinelibrary.wiley.com/doi/10.1002/ps.1550/abstract
Last checked: 04/13/2018
Notes: Abstract only |
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| Keywords: | TIC Keywords: Application timing; Biological control; Control methods; Entomopathogenic nematodes; Evaluations; Heterorhabditidae; Insecticide combinations; Neonicotinoid insecticides; White grub control
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| Abstract/Contents: | "BACKGROUND: An investigation was carried out to determine whether new neonicotinoid-nematode combinations and earlier applications against younger larval stages could increase the efficacy of synergistic neonicotinoid-entomopathogenic nematode combinations against white grubs. RESULTS: In the laboratory, combinations of the neonicotinoids imidacloprid and clothianidin and the nematodes Heterorhabditis bacteriophora Poinar and H. Zealandica Poinar against third instars were compared. In Anomala orientalis (Waterhouse) and Popillia japonica Newman, H. Bacteriophora-imidacloprid combinations showed the most consistent synergism but did not cause significantly higher mortality than H. Zealandica-imidacloprid combinations. In Cyclocephala borealis Arrow, there was no clear trend as to which combinations caused the most consistent synergism, but H. Zealandica-imidacloprid combinations tended to cause the highest mortalities. In the laboratory, imidacloprid-H. Bacteriophora combinations provided more consistent synergism against third-instar than against second-instar A. orientalis, but mortality was higher in second instars. In field experiments, imidacloprid-H. Bacteriophora combinations against A. orientalis and P. japonica provided more consistent synergism when applied in mid-September but more consistent control when applied in late August. CONCLUSIONS: Imidacloprid is a better synergist for entomopathogenic nematodes than clothianidin. Imidacloprid-nematode combinations are more effective against second instars than against third instars, allowing rate reductions of both agents to make this approach more competitive with full-rate applications of neonicotinoid alone." |
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| Language: | English |
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| References: | 17 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Koppenhöfer, A. M., and E. M. Fuzy. 2008. Early timing and new combinations to increase the efficacy of neonicotinoid-entomopathogenic nematode (Rhabditida: Heterorhabditidae) combinations against white grubs (Coleoptera: Scarabaeidae). Pest Management Science. 64(7):p. 725-735. |
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| DOI: 10.1002/ps.1550 |
| Web URL(s):
https://onlinelibrary.wiley.com/doi/10.1002/ps.1550/full
Last checked: 04/13/2018
Requires: PDF Reader
Access conditions: Item is within a limited-access website
https://onlinelibrary.wiley.com/doi/10.1002/ps.1550/pdf
Last checked: 04/13/2018
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: b2219665 |
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