Full TGIF Record # 302059
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Web URL(s):https://scisoc.confex.com/scisoc/2018am/meetingapp.cgi/Paper/113413
    Last checked: 11/13/2018
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Publication Type:
Content Type:Abstract or Summary only
Author(s):Diehl, Katherine H.; Elmore, Matthew T.; Koppenhofer, Albrecht M.; Murphy, James A.; Tuck, Daniel P.; Kostromytske, Olga S.
Author Affiliation:Diehl, Elmore, Murphy, and Tuck: Department of Plant Biology, Rutgers University, New Brunswick, NJ; Koppenhofer and Kostomytska: Department of Entomology, Rutgers University, New Brunswick, NJ
Title:Annual bluegrass weevil (Listronotus maculicollis), paclobutrazol and interseeding effects on annual bluegrass (Poa annua) in creeping bentgrass (Agrostis stolonifera) fairways
Section:C05 turfgrass science
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Plant protection in turfgrass ecosystems poster (Includes student competition)
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Meeting Info.:Baltimore, Maryland: November 4-7, 2018
Source:ASA, CSSA and SSSA International Annual Meetings. 2018, p. 113413.
# of Pages:1
Publishing Information:[Madison, Wisconsin]: [American Society of Agronomy, Crop Science Society of America, and Canadian Society of Agronomy]
Keywords:TIC Keywords: Agrostis stolonifera; Golf fairways; Listronotus maculicollis; Paclobutrazol; Poa annua control
Abstract/Contents:"In the Northeastern US, the annual bluegrass weevil (ABW; Listronotus maculicollis) is a pest of annual bluegrass (Poa annua). The ABW showcases strong ovipositional preference to annual bluegrass and its larvae can cause substantial injury to the plant. We hypothesized that allowing ABW to injure annual bluegrass will control annual bluegrass in a creeping bentgrass (Agrostis stolonifera) fairway alone or in combination with paclobutrazol and creeping bentgrass interseeding. Research was conducted in 2017 at the Rutgers Horticulture Farm No. 2 in North Brunswick, NJ on a simulated fairway that consisted of creeping bentgrass and annual bluegrass. Whole plots consisted of creeping bentgrass interseeding. Whole plots were split into three ABW control programs. The first program (standard) consisted of an industry-standard insecticide program. The second program (threshold) consisted of a larvicide applied only after visual ratingsdetermined that ABW damage resulted in unacceptable turfgrass quality. The third program (no-insecticide) wasa non-treated control with no insecticides applied for ABW control. Insecticide programs were split with monthly applications of palcobutrazol (280 g ha-1). Once the damage threshold was met, the appropriate treatments were interseeded with '007' creeping bentgrass. In 2017, the damage threshold was met on June 8th. The threshold and no-insecticide programs (250 larvae m-2) reduced annual bluegrass quality compared to the standard (7.4 larvae m-2) in June only. Turfgrass quality of the threshold and no-insecticide programs did not differ from the standard program from July to November. Bentgrass quality was not affected by insecticide program on any rating date. The no-insecticide program reduced annual bluegrass cover by 8% in July, but otherwise there were no differences between programs through November 2017. Regardless of ABW or interseeding treatment paclobutrazol reduced annual bluegrass cover by 67% as of November 2017. This research is ongoing in 2018."
See Also:See also related article "A lesser of two weevils?" Golfdom, 75(2) February 2019, p. 33, R=307496. R=307496
Note:This item is an abstract only!
"Poster Number: 1248"
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Diehl, K. H., M. T. Elmore, A. M. Koppenhöfer, J. A. Murphy, D. P. Tuck, and O. S. Kostromytska. 2018. Annual bluegrass weevil (Listronotus maculicollis), paclobutrazol and interseeding effects on annual bluegrass (Poa annua) in creeping bentgrass (Agrostis stolonifera) fairways. Agron. Abr. p. 113413.
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