Full TGIF Record # 51670
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DOI:10.21273/HORTSCI.33.5.845
Web URL(s):https://journals.ashs.org/hortsci/view/journals/hortsci/33/5/article-p845.xml
    Last checked: 11/13/2019
    Requires: PDF Reader
Publication Type:
i
Refereed
Author(s):Dernoeden, Peter H.
Author Affiliation:Department of Natural Resource Sciences and Landscape Architecture, University of Maryland, College Park, MD 20742-5821
Title:Use of prodiamine as a preemergence herbicide to control annual bluegrass in Kentucky bluegrass
Section:Turf management
Other records with the "Turf management" Section
Source:HortScience. Vol. 33, No. 5, August 1998, p. 845-846.
# of Pages:2
Publishing Information:Alexandria, VA: American Society for Horticultural Science
Keywords:TIC Keywords: Poa annua control; Golf courses; Prodiamine; Preemergence herbicides; Poa pratensis; Application timing; Application rates; Herbicide evaluation
Cultivar Names:Kenblue
Abstract/Contents:"Annual bluegrass (Poa annua L.) is an intractable weed problem on golf courses. Much has been written about annual bluegrass, but there is little documentation of regional germination period(s) and the proper timing of preemergence herbicides targeted for the control of the annual biotype (P. annua ssp.annua[L.]Timm.=AB). The objectives of this field study were to determine the optimum prodiamine rate and timing for effective AB control. The turf was a mature stand of 'Kenblue' Kentucky bluegrass (Poa pratensis L.) maintained under conditions similar to those imposed for golf course roughs. Three rates of prodiamine (0.36, 0.73, and 1.1 kg.ha⁻¹) were applied on three dates in 1995 (11 Aug., 14 Sept., and 13 Oct.) and 1996 (29 Aug., 16 and 30 Sept.) All rates applied 11 Aug. or 14 Sept. 1995, and 29 Aug. or 16 Sept. 1996 effectively controlled AB. None of the rates applied 13 Oct. 1995 reduced AB cover, and the 0.36 kg.ha⁻¹ rate applied 30 Sept. 1996 provided relatively poor AB control. Data and observations indicated that the major germination period for AB was between late September and early December. Effective AB control was achieved whenever prodiamine, regardless of rate, was applied between mid-August and mid-September. These prodiamine rates and this application window may be effective only in relatively high cut turf (i.e.,>5.0 cm) in the mid-Atlantic region.
Language:English
References:12
Note:Tables
Geographic Terms:Mid-Atlantic region
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Dernoeden, P. H. 1998. Use of prodiamine as a preemergence herbicide to control annual bluegrass in Kentucky bluegrass. HortScience. 33(5):p. 845-846.
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DOI: 10.21273/HORTSCI.33.5.845
Web URL(s):
https://journals.ashs.org/hortsci/view/journals/hortsci/33/5/article-p845.xml
    Last checked: 11/13/2019
    Requires: PDF Reader
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MSU catalog number: SB 1 .H64
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