Full TGIF Record # 73283
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Web URL(s):http://www.bioone.org/bioone/?request=get-document&issn=0046-225X&volume=030&issue=02&page=0196
    Last checked: 11/2005
    Access conditions: Item is within a limited access website
Publication Type:
i
Refereed
Author(s):Wang, Y.; Crocker, R. L.; Wilson, L. T.; Smart, G.; Wei, X.; Nailson, W. T. Jr.; Cobb, P. P.
Author Affiliation:Wang, Crocker, Wei, Nailson: Texas A&M University Research and Extension Center, Dallas, TX; Wilson: Department of Entomology, Texas A&M University, College Station, TX; Smart: Department of Entomology and Nematology, University of Florida, Gainesville, FL; Cobb: Department of Entomology, Auburn University, Auburn, AL
Title:Effect of nematode and fungal treatments on nontarget turfgrass-inhabiting arthropod and nematode populations
Section:Community and ecosystem ecology
Other records with the "Community and ecosystem ecology" Section
Source:Environmental Entomology. Vol. 30, No. 2, April 2001, p. 196-203.
# of Pages:8
Publishing Information:College Park, MD: Entomological Society of America
Keywords:TIC Keywords: Cynodon dactylon; Entomopathogenic nematodes; Entomopathogenic fungi; Arthropoda; Nematoda; Chlorpyrifos; Heterorhabditis bacteriophora; Steinernema carpocapsae; Steinernema riobrave; Beauveria bassiana; Integrated Pest Management; Non-target effects; Turfgrass community; Pest control
Cultivar Names:Tifway
Abstract/Contents:"Arthropod and nematode population densities in 'Tifway' bermudagrass were studied in field plots to determine the impact of long-term teratments with an organophosphate insecticide (chlorpyrifos), entomopathogenic nematodes [Heterorhabditis bacteriophora Poinar (Heterorhabditidae), Steinernema carpocapsae (Weiser), S. riobravis (Cabanilas, Poinar & Raulston) (Steinernematidae)], and an entomopathogenic fungus [Beauveria bassiana (Balsamo) Vuillemin (Deuteromycotina: Hypomycetes)] applied alone and in combinations. Fifty-five arthropod families or suborders were recorded during a 2-yr period. Staphylindae, Sminthuridae, Isotomidae, and Oribatida were the four most abundant species groups, accounting for 97.0% of the arthropods collected. Three orders of nematodes and a miscellaneous nematode category also were encountered. Tylenchida was the most abundant nematode species group, accounting for 77.2% of the namatodes collected. Populations of Lycosidae and Staphylinidae were not significantly different from the control in any treatment. However, chlorpyfiros reduced Lycosidae counts in comparison to H. bacteriophora, S. carpocapsae, and H. bacteriophora + B. bassiana. Chlorpyrifos also lowered Staphylindae counts in comparison to B. bassiana, S. carpocapsae, and S. riobravis. Miscellaneous Araneae, Formicidae, and Scelionidae were less abundant in the chlorpyrifos treated plots than they were in any others. By contrast, Sminthurdae densities were highest in the chlorpyrifos plots and were unaffected by any other treatment. In general, chlorpyrifos diminished the abundances of each of the following categories of arthropods compared with all other treatments: plant-inhabiting predators + parasitoids, soil herbivores, thatch detritivores, and soil predators. By comparison, soil detritivores were as common in the chlorpyrifos treatment as they were in the B. bassiana, S. carpocapsae, H. bacteriophora + B. bassiana, and S. riobravis + B. bassiana treatments and were more abundant there than in the H. bacteriophora, S. riobravis, S. carpocapsae + B. bassiana, and untreated control treatments. In general, fungus + nematode treatments showed no evidence of synergism and chlorpyrifos had a stronger negative impact on nontarget arthropod densities than did the microbial treatments."
Language:English
References:18
Note:Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Wang, Y., R. L. Crocker, L. T. Wilson, G. Smart, X. Wei, W. T. Jr. Nailson, et al. 2001. Effect of nematode and fungal treatments on nontarget turfgrass-inhabiting arthropod and nematode populations. Environ. Entomol. 30(2):p. 196-203.
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Web URL(s):
http://www.bioone.org/bioone/?request=get-document&issn=0046-225X&volume=030&issue=02&page=0196
    Last checked: 11/2005
    Access conditions: Item is within a limited access website
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