Full TGIF Record # 56720
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Publication Type:
i
Report
Content Type:Abstract or Summary only
Author(s):Whitwell, Ted
Author Affiliation:Department of Horticulture, Clemson University, Clemson, SC
Title:Bermudagrass encoachment in creeping bentgrass green
Meeting Info.:51st Annual Meeting, Birmingham, AL, January 26-28, 1998
Source:Southern Weed Science Society Proceedings. Vol. 51, 1998, p. 84.
Publishing Information:Champaign, IL: Southern Weed Science Society.
# of Pages:1
Keywords:TIC Keywords: Cynodon; Weed invasion; Agrostis stolonifera; Golf greens; Weed control; Fenoxaprop-ethyl; Herbicide resistance; Cultivar variation; Collar; Choice of species; Chemical control
Cultivar Names:Penn A-1
Abstract/Contents:"Bermudagrass is considered the second worst weed in the world causing difficulties in 80 countries and in 40 crops. Tifway bermudagrass is a very aggressive warm season species that is used on most golf course fairways in the South. Bentgrass greens are increasing on the Southern golf courses because of the superior putting surfaces and the development of improved heat tolerant cultivars. The rapid summer growth of bermudagrass from the surrounding areas encroach into the bentgrass putting surfaces causing objectionable appearance, disrupting ball roll. Physical control measures include a greens encroachment barrier of preventing spread of bermudagrass stolons and rhizomes into the green using buried plastic barrier and weekly edging the bermudagrass stolons. This is expensive for installation and labor for weekly trimming. Collar buffer zones with a less aggressive species such as zoysiagrass and Tifdwarf bermudagrass have also been used to reduce the penetration of Tifway bermudagrass stolons into bentgrass putting areas. Herbicides and growth regulators are moderately effective in suppressing bermudagrass. Research by Johnson and Carrow indicated ethofumesate plus flurprimidol were the most effective treatments with minimum injury to bentgrass. Three applications were needed beginning just as bermudagrass began to grow in the spring. Our research indicates that bentgrass cultivars vary in tolerance and recovery to fenoxaprop while multiple application of fenoxaprop suppressed bermudagrass encroachment. A-1 cultivar appear to be more tolerant to fenoxaprop than other cultivars. Effective bermudagrass encroachment will require multiple strategies to effectively suppress bermudagrass stolons. Strategies should include a herbicide tolerant cultivar, aesthetically acceptable putting green collar species and multiple herbicide growth regulator applications."
Language:English
References:0
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Whitwell, T. 1998. Bermudagrass encoachment in creeping bentgrass green. South. Weed Sci. Soc. Proc. 51:p. 84.
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