Full TGIF Record # 309568
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Web URL(s):https://scisoc.confex.com/scisoc/2019am/meetingapp.cgi/Paper/120111
    Last checked: 12/03/2019
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Publication Type:
Content Type:Abstract or Summary only
Author(s):Daly, Emeline; Alford, Adam; Dorosky, Michael; McCall, David S.; Kuhar, Thomas
Author Affiliation:Daly: Virginia Tech, Blacksburg, VA; Alford and Kuhar: Entomology, Virginia Tech, Blacksburg, VA; Dorosky: The Federal Club, Glen Allen, VA; McCall: School of Plant and Environmental Sciences, Virginia Tech, Blacksburg, VA
Title:Monitoring annual bluegrass weevil resistance to bifenthrin in Virginia
Section:C05 turfgrass science
Other records with the "C05 turfgrass science" Section

Turfgrass pest management poster: Diseases, insects, weeds (includes student competition)
Other records with the "Turfgrass pest management poster: Diseases, insects, weeds (includes student competition)" Section
Meeting Info.:San Antonio, Texas: November 10-13, 2019
Source:ASA, CSSA and SSSA International Annual Meetings. 2019, p. 120111.
Publishing Information:[Madison, Wisconsin]: [American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America]
# of Pages:1
Keywords:TIC Keywords: Bifenthrin; Chemical sensitivity; Geographical distribution; Insect distribution; Insecticide resistance; Listronotus maculicollis; Pyrethroid insecticides
Geographic Terms:Virginia
Abstract/Contents:"Annual bluegrass weevil (ABW) (Listronotus maculicollis) is an established pest of annual bluegrass (Poa annua) and creeping bentgrass (Agrostis stolonifera) golf course putting greens, tees, fairways, and collars in the northeastern and Mid-Atlantic US. A 2017 survey reported widespread distribution of ABW across Delaware, Maryland, and Virginia (DMV). Numerous subsequent cases have been reported throughout Virginia and an increased emphasis on chemotherapeutic suppression. The asynchronous life cycle of ABW leads to the numerous larvicide and/or adulticide applications on golf courses to minimize damage to the turf canopy. The most common adulticides used to combat ABW are pyrethroids, and more specifically bifenthrin. Studies on ABW resistance to pyrethroids have confirmed pyrethroid resistance in many locations throughout the northeastern US, but only five percent of DMV locations suspected resistance. To date, pyrethroid resistance has not been confirmed in Virginia outside of metropolitan Washington, DC. Therefore, our primary objective was to further define ABW distribution across Virginia with a secondary objective of assessing sensitivity to bifenthrin. Seventy-two percent of golf course superintendent survey respondents (n=47) reported seeing ABW at their facility with positive confirmation at 22 locations. Adult ABW from six locations representing Virginia's geographic regions were subjected to bifenthrin (0.11kg ai ha-1) bioassays and compared against a sterile water control. Mortality of adult ABW treated with bifenthrin were higher than untreated ABW across all locations (P ā‰¤ 0.057). Our research confirms that ABW distribution is more widespread across Virginia than previously reported but that population samples are currently still sensitive to bifenthrin at the rate tested."
Note:This item is an abstract only!
"Poster #1633"
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Daly, E., A. Alford, M. Dorosky, D. S. McCall, and T. Kuhar. 2019. Monitoring annual bluegrass weevil resistance to bifenthrin in Virginia. Agron. Abr. p. 120111.
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