Full TGIF Record # 73421
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Web URL(s):http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2620464/pdf/414.pdf
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http://journals.fcla.edu/jon/article/view/67183/64851
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Publication Type:
i
Report
Content Type:Abstract or Summary only
Author(s):Simard, Louis; Brodeur, J.; Bélair, G.
Author Affiliation:Simard, Brodeur: Centre de recherche en horticulture, Université Laval, Québec, Canada; Bélair: Agriculture and Agri-Food Canada, St-Jean-sur-Richelieu, Quebec, Canada
Title:Biological control of sod webworm larvae (Lepidoptera: Pyralidae) with entomopathogenic nematodes in Quebec
Meeting Info.:Society of Nematologists, 39th Annual Meeting, Quebec City, Quebec, Canada: June 24-28 2000
Source:Journal of Nematology. Vol. 32, No. 4, December 2000, p. 460-461.
Publishing Information:Lawrence, KS: Society of Nematologists
# of Pages:2
Keywords:TIC Keywords: Biological control; Crambinae; Entomopathogenic nematodes; Virulence; Chrysoteuchia topiaria; Heterorhabditis megidis; Steinernema glaseri; Steinernema carpocapsae; Steinernema feltiae
Geographic Terms:Quebec City, Canada; Montreal, Canada
Abstract/Contents:"In summer of 1999, the virulence of four entomopathogenic nematode species was tested against the sod webworm larvae (Chrysoteuchia topiaria), a turfgrass pest in Quebec. In the laboratory, larvae were exposed to eight concentrations of each species in Petri dishes at 24 °C for a 5-day period. Heterorhabditis megidis was the most virulent species with a LD50 of 6 nematodes/larva. Steinernema glaseri, S. carpocapsae, and S. feltiae revealed LD50 values of 34, 68, and 126, respectively. The effect of nematode exposure time on C. topiaria larval mortality was evaluated with H. megidis and S. carpocapsae. With a concentration of 1,000 nematodes/larva, a 24-hour exposure time or more was required to reach 80% mortality rates. Preliminary field tests against sod webworm larvae were conducted with H. megidis, S. carpocapsae, and S. feltiae on several residential lawns located in Quebec City and Montreal. In some lawns, sod webworms larval populations were substantially reduced by nematode treatments when compared to the untreated control plots. The efficiency of nematode applications was comparable with the Diazinon insecticide treatments on most sites. A contagious distribution of sod webworm populations was observed on all tested sites. An effective monitoring of this insect would permit targeted nematode applications and thus reduce the use of insecticides in urban areas."
Language:English
References:0
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Simard, L., J. Brodeur, and G. Bélair. 2000. Biological control of sod webworm larvae (Lepidoptera: Pyralidae) with entomopathogenic nematodes in Quebec. J. Nematol. 32(4):p. 460-461.
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Web URL(s):
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2620464/pdf/414.pdf
    Last checked: 07/08/2013
    Requires: PDF Reader
    Notes: Item is within a single large file
http://journals.fcla.edu/jon/article/view/67183/64851
    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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