Full TGIF Record # 175653
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DOI:10.1080/09583150903440658
Web URL(s):http://www.informaworld.com/smpp/ftinterface~content=a917786532~fulltext=713240930~frm=content
    Last checked: 02/22/2011
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http://www.informaworld.com/smpp/ftinterface~content=a917786532~fulltext=713240928~frm=content
    Last checked: 02/22/2011
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Publication Type:
i
Refereed
Author(s):McGraw, Benjamin A.; Vittum, Patricia J.; Cowles, Richard S.; Koppenhöfer, Albrecht M.
Author Affiliation:McGraw and Koppenhöfer: Department of Entomology, Rutgers University, New Brunswick, NJ; McGraw: Department of Golf & Plant Sciences, State University of New York - Delhi, NY; Vittum: Department of Plant and Soil Science, University of Massachusetts, AMherst, MA; Cowles: Valley Laboratory, The Connecticut Agricultural Experiment Station, Windsor, CT
Title:Field evaluation of entomopathogenic nematodes for the biological control of the annual bluegrass weevil, Listronotus maculicollis (Coleoptera: Curculionidae), in golf course turfgrass
Source:Biocontrol Science and Technology. Vol. 20, No. 2, February 2010, p. 149-163.
# of Pages:15
Publishing Information:Abington, Oxfordshire: Carfax Pub. Co.
Related Web URL:http://www.informaworld.com/smpp/content~db=all?content=10.1080/09583150903440658
    Last checked: 02/22/2011
    Notes: Abstract only
Keywords:TIC Keywords: Application timing; Biological control organisms; Entomopathogenic nematodes; Listronotus maculicollis; Insect control; Larva; Pest density
Abstract/Contents:"The ability of entomopathogenic nematodes to suppress larval populations of the annual bluegrass weevil, Listronotus maculicollis, was investigated under field conditions over a 3-year period (2006-2008). Combination of nematode species, application rate and timing produced strong numerical yet few statistically significant reductions. Steinernema carpocapsae Weiser, S. feltiae Filipjev, and Heterorhabditis bacteriophora Poinar applied at 2.5 109 IJs/ha reduced first generation late instars between 69 and 94% in at least one field trial. Steinernema feltiae provided a high level of control (94%) to low densities (~20 larvae per 0.09 m2), but gave inadequate control for higher densities (24 and 50% suppression). No significant differences were found among treatment timings. However, applications timed to coincide with the peak of larvae entering the soil (fourth instars) generally performed better than applications made prior to (preemptive) or after the majority of the population advanced from the fourth instar. Nematode populations declined sharply between 0 and 14 days after treatment (DAT). Although nematode populations later increased (at 28 DAT), indicating an ability to recycle within hosts in the environment, they were nearly undetectable 56 DAT when the second generation host larvae were present in the soil. Applying commercially available nematode species at standard field rates cannot reliably reduce L. maculicollis immature densities on golf courses, nor will single applications suppress multiple generations. Future research will need to identify application strategies to improve biocontrol consistency."
Language:English
References:27
See Also:See also related article, "Nematodes for control of annual bluegrass weevil: Insect parasitic nematodes may have the potential to provide less toxic, more sustainable approaches to manage annual bluegrass weevil" Golf Course Management, 79(2) February 2011, p. 88-90, 92, 94 R=175724 R=175724
Note:Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
McGraw, B. A., P. J. Vittum, R. S. Cowles, and A. M. Koppenhöfer. 2010. Field evaluation of entomopathogenic nematodes for the biological control of the annual bluegrass weevil, Listronotus maculicollis (Coleoptera: Curculionidae), in golf course turfgrass. Biocontrol Sci. Technol. 20(2):p. 149-163.
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DOI: 10.1080/09583150903440658
Web URL(s):
http://www.informaworld.com/smpp/ftinterface~content=a917786532~fulltext=713240930~frm=content
    Last checked: 02/22/2011
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
http://www.informaworld.com/smpp/ftinterface~content=a917786532~fulltext=713240928~frm=content
    Last checked: 02/22/2011
    Access conditions: Item is within a limited-access website
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