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http://dx.doi.org/10.5660/WTS.2013.2.4.402

Control of Bermudagrass (Cynodon dactylon) Causing Weedy in Zoysiagrass matrella Merr  

Tae, Hyun-Sook (Plant & Environment Research Center, Samsung Everland inc.)
Kim, Yong-Seon (Nine bridge Gwang pyung ri Anduk-myun, South jeju Jeju island)
Heo, Young Du (Dongrea Benest Golf Club, Samsung Everland inc.)
Publication Information
Weed & Turfgrass Science / v.2, no.4, 2013 , pp. 402-407 More about this Journal
Abstract
Bermudagrass (Cynodon dactylon.) is one of the most difficult weedy species to control in turfgrass because it's high tolerant to various environmental and management stresses. This experiment was performed to find the integrated weed management including cultural practices to suppress bermudagrass in Zoysiagrass matrella (L) Merr. As results, two sequential applications of Fluazifop-P-butyl 0.05 ml $m^{-2}$ + Triclopyr-TEA 0.5 ml $m^{-2}$ and Fenoxaprop-P-ethyl 0.1 ml $m^{-2}$ + Triclopyr-TEA 0.5 ml $m^{-2}$ applied on 20 days intervals were evaluated the primary option for bermudagrass suppression and turfgrass injury was acceptable in zoysiagrass. In both treatments, turf injury was observed during 30days after the first application and almost recovered at 40days. While Fenoxaprop-Pethyl 0.1 ml $m^{-2}$ + Triclopyr-TEA 0.5 ml $m^{-22}$ were lightly phytotoxic to zoysiagrass in chlorophyll content test, there was no growth inhibition of zoysiagrass. Verticut practice (4 mm depth) just before herbicides application where zoyisagrass is contaminated with bermudagrass was not helpful to reduce turf injury in this experiment. However, alone verticut management was utilized to decrease about 12-14% bermudagrass population. Thus the application of Fenoxaprop-P-ethyl 0.1 ml $m^{-2}$ + Triclopyr-TEA 0.5 ml $m^{-2}$ which are permitted for turfgrass after zoysiagrass is perfectly recovered from turf injury by verticut practice should be utilized for bermudagrass reduction in zoysiagrass.
Keywords
Bermudagrass; Zoysiagrass matrella; Fenoxaprop-P-ethyl; Triclopyr-TEA; Verticut;
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Times Cited By KSCI : 2  (Citation Analysis)
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