Full TGIF Record # 94971
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Web URL(s):http://www.newss.org/proceedings/proceedings_2004_vol58.pdf#page=111
    Last checked: 07/23/2013
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Publication Type:
i
Report
Content Type:Abstract or Summary only
Author(s):Kaminski, J. E.; Dernoeden, P. H.
Author Affiliation:University of Maryland, College Park, Maryland
Title:Seasonal annual bluegrass emergence patterns in central Maryland
Section:Turfgrass and plant growth regulators section
Other records with the "Turfgrass and plant growth regulators section" Section
Meeting Info.:Marriott Cambridge Center, Cambridge, Massachusetts: January 5-8, 2004
Source:Proceedings: NortheasternWeed Science Society. Vol. 58, 2004, p. 111.
Publishing Information:Ithaca, NY: Northeastern Weed Science Society
# of Pages:1
Keywords:TIC Keywords: Cynodon dactylon; Distribution patterns; Emergence; Germination; Poa annua; Seasonal variation
Geographic Terms:Central Maryland
Abstract/Contents:"Annual bluegrass (Poa annua L. ssp. annua) is a major weed problem of golf course turf. There have been no studies conducted in Maryland to monitor the seasonal emergence patterns of annual bluegrass. Annual bluegrass seedling emergence was monitored in a bermudagrass (Cynodon dactylon [L.] Pers.) rough at the University of Maryland Golf Club in College Park between 1999 and 2003 and at Woodmont Country Club in Rockville, MD between 2002 and 2003. In August or September of 1999 to 2002, four circular spots approximately 0.09 m2 in area were killed with glyphosate. Annual bluegrass seedlings were counted and removed weekly from inside each spot between September and May of each year. During this period, an average of 431 seedlings 0.09 m-2 year-1 germinated. Between 1999 and 2002, the majority of annual bluegrass seedlings (63 to 78%) emerged between September and mid-October and 90% of the total seedlings emerged by early-December. Annual bluegrass seedlings emerged in small numbers between December and May in all three years. In the final year (2002 to 2003), peak annual bluegrass germination at both locations occured between early-October and mid-November (64 to 68%), but 90% germination was not reached until March 2003. Each year, annual bluegrass germination within each of the four monitored spots varied greatly. During the first three years, however, year to year variation was insignificant. An early frost and colder than normal temperatures between autumn 2002 and winter 2003 may have contributed to a lower level of germination in the autumn and the extended germination period of annual bluegrass into March 2003."
Language:English
References:0
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Kaminski, J. E., and P. H. Dernoeden. 2004. Seasonal annual bluegrass emergence patterns in central Maryland. Proc. Annu. Meet. Northeast. Weed Sci. Soc. 58:p. 111.
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Web URL(s):
http://www.newss.org/proceedings/proceedings_2004_vol58.pdf#page=111
    Last checked: 07/23/2013
    Requires: PDF Reader
    Notes: Item is within a single large file
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MSU catalog number: SB 610 .N62 v. 57
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