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| Web URL(s): | http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2620647/pdf/321.pdf
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http://journals.fcla.edu/jon/article/view/67242/65092
Last checked: 08/17/2018
Requires: PDF Reader
Notes: Item is within a single large file |
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| Publication Type:
| Report |
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| Content Type: | Abstract or Summary only |
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| Author(s): | Alumai, A.;
Grewal, P. S. |
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| Author Affiliation: | Department of Entomology, Ohio State University, Ohio Agricultural Research and Development Center, Wooster, Ohio |
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| Title: | Effect of chemical pesticide use on endemic entomopathogenic nematode populations in turfgrass |
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| Meeting Info.: | Society of Nematologists 42nd Annual Meeting, 12-17 July, 2003; Cornell University, Ithaca, New York |
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| Source: | Journal of Nematology. Vol. 35, No. 3, September 2003, p. 323. |
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| Publishing Information: | Lawrence, KS: Society of Nematologists |
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| # of Pages: | 1 |
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| Keywords: | TIC Keywords: Entomopathogenic nematodes; Biological control organisms; Steinernema carpocapsae; Steinernema glaseri; Heterorhabditis bacteriophora; Fosetyl Al; Chlorpyrifos; Fipronil; Trichlorfon; Carbaryl; Imidacloprid; Non-target effects
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| Abstract/Contents: | "Entomopathogenic nematodes are effective biocontrol agents that are used commercially to control insect pests of turfgrass. However, little information is available regarding the effects of routine chemical pesticide applications on endemic nematode populations. We investigated the natural occurrence and survival of entomopathogenic nematodes on three golf course surfaces (roughs, fairways, and putting greens) representing an increasing gradient of chemical pesticide use. Of the positive sites, the nematodes were recovered from 67% of the rough areas and 33% of the fairways, with no recovery from the putting greens. Steinernema carpocapsae was recovered from 4, S. glaseri from 1, and H. bacteriophora from 4 of the positive sites. In a replicated field study, we tested the effects of 6 commonly used chemical pesticides on population dynamics of endemic H. bacteriophora on a golf course rough area. We found that only fipronil (Chipco ChoiceTM) significantly reduced the persistence of H. bacteriophora. In a related laboratory study, we compared the viability and pathogenicity of H. bacteriophora (HP 88 strain) and S. carpocapsae (All strain) exposed to 8 selected pesticides at three dilutions. We found no significant variation in viability of S. carpocapsae or H. bacteriophora. However, the insectide trichlorfon (Dylox 80) significantly reduced pathogenicity of both H. bacteriophora and S. carpocapsae, whereas the fungicide, aluminium tris (Aliette) and the insectides, chlorpyrifos (Dursban Pro), and carbaryl (Sevin) had negative effects only on S. carpocapsae pathogenicity. The insecticides imidacloprid (Merit 75) and carbaryl (Sevin) had synergistic effects on H. bacteriophora pathogenicity at low concentrations. These results suggest that nematodes are more likely to occur in less intensely managed areas that receive fewer to no chemical insectides than the more intensely managed fairways and putting greens." |
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| Language: | English |
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| References: | 0 |
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| Note: | This item is an abstract only! |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Alumai, A., and P. S. Grewal. 2003. Effect of chemical pesticide use on endemic entomopathogenic nematode populations in turfgrass. J. Nematol. 35(3):p. 323. |
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| Web URL(s):
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2620647/pdf/321.pdf
Last checked: 07/08/2013
Requires: PDF Reader
Notes: Item is within a single large file
http://journals.fcla.edu/jon/article/view/67242/65092
Last checked: 08/17/2018
Requires: PDF Reader
Notes: Item is within a single large file |
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MSU catalog number: QL 386 .A1 J66 |
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