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| Web URL(s): | http://www.bioone.org/bioone/?request=get-document&issn=0022-0493&volume=097&issue=06&page=1842
Last checked: 11/2005
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, New Jersey |
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| Title: | Effect of white grub developmental stage on susceptibility to entomopathogenic nematodes |
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| Section: | Biological and microbial control
Other records with the "Biological and microbial control" Section
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| Source: | Journal of Economic Entomology. Vol. 97, No. 6, December 2004, p. 1842-1849. |
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| Publishing Information: | Lanham, MD: Entomological Society of America |
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| # of Pages: | 8 |
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| Keywords: | TIC Keywords: White grubs; Developmental stages; Susceptibility; Entomopathogenic nematodes; Heterorhabditis bacteriophora; Steinernema scarabaei; Popillia japonica; Exomala orientalis; Disease development; Pest profile; Grub control
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| Abstract/Contents: | "The pathogenicity of the entomopathogenic nematodes Heterorhabditis bacteriophora Poinar and Steinernema scarabaei Stock & Koppenhöfer against different developmental stages of the Japanese beetle, Popillia japonica Newman, and the oriental beetle, Anomala (=Extomala) orientalis Waterhouse, were studied under laboratory conditions. The efficacy of S. scarabaei did not differ between second and third instars in P. japonica or A. orientalis or between small (young) and large (older) third instars in A. orientalis. However, H. bacteriophora efficacy decreased from first over second to third instar and also from small third instars to large third instars in A. orientalis but did not differ significantly between P. japonica larval stages. Once A. orientalis third instars had purged their intestines in preparation for pupation, no significant mortality by S. scarabaei and H. bacteriophora was observed. In contrast, P. japonica susceptibility to both nematode species gradually decreased from stage to stage from actively feeding third instars to pupae. In two additional experiments, we found no difference in Steinernema glaseri (Steiner) susceptibility between second and third instars of A. orientalis but an increase in S. scarabaei susceptibility from the second to third instar of Asiatic garden beetle, Maladera castanea (Arrow). Our observations combined with those of previous studies with other nematode and white grub species show that nematode efficacy against white grub developmental stages varies with white grub and nematodes species, and no generalization can be made." |
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| Language: | English |
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| References: | 32 |
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| Note: | Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Koppenhöfer, A. M., and E. M. Fuzy. 2004. Effect of white grub developmental stage on susceptibility to entomopathogenic nematodes. J. Econ. Entomol. 97(6):p. 1842-1849. |
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| Web URL(s):
http://www.bioone.org/bioone/?request=get-document&issn=0022-0493&volume=097&issue=06&page=1842
Last checked: 11/2005
Access conditions: Item is within a limited-access website |
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MSU catalog number: SB 931 .A1 J6 |
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