Full TGIF Record # 18114
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Web URL(s):http://www.newss.org/proceedings/proceedings_1990_vol44.pdf#page=134
    Last checked: 07/25/2013
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Publication Type:
i
Report
Content Type:Abstract or Summary only
Author(s):Enache, A. J.; Ilnicki, R. D.; Grande, J.; Hoffman, K. G.
Author Affiliation:New Jersey Agric. Exp. Cook College, Rutgers University
Title:Fenoxaprop and bentazon tank mixes for postemergence weed control in cool season turf
Meeting Info.:Held: January 3,4,5, 1990; Boston MA
Source:Proceedings of the 44th Annual Meeting of the Northeastern Weed Science Society. Vol. 44, 1990, p. 134.
Publishing Information:Ithaca, NY: Northeastern Weed Science Society
# of Pages:1
Keywords:TIC Keywords: Postemergence herbicides; Fenoxaprop-ethyl; Bentazon; Poa pratensis; Lolium; Panicum dichotomiflorum; Cyperus esculentus; Festuca arundinacea
Abstract/Contents:"Phytotoxicity of fenoxaprop to spring-seeded cool season turf grasses is well established. Alleviation of injury with tank mixes with herbicides may be a viable option. An experiment was conducted in 1989 to determine the effect of fenoxaprop and bentazon tank mixes on 1) alleviating the turf injury, and 2) postemergence weed control. The experiment was a randomized block design with three replications. Three perennial grasses, Kentucky bluegrass (Poa pratensis L.), tall fescue (Festuca arundinacea Schreb.) and Treatments were applied on June 20 (P01) and August 3 (PO2) using a CO2-propelled backpack sprayer. The soil was silt-loam with pH 6.0 and OM 2.1%. Fenoxaprop was applied either alone (0.07, 0.1, 0.13, 0.2 kg ai/ha), or with surfactant at 0.25% (0.13 kg ai/ha), and in combination with bentazon (0.13 + 0.84 kg ai/ha). Two weeks after each application stand, vigor, and color of turf grasses as well as control of the weeds present, fall panicum (Panicum dichotomiflorum Michx.) and yellow nutsedge (Cyperus esculentus L.) were rated. Results indicated that fenoxaprop alone applied early injured Kentucky bluegrass, severity increasing with rate. The later application resulted in less injury. Slight injury was observed in tall fescue and ryegrass with either application. Addition of surfactant to fenoxaprop decreased thephytotoxic effect on Kentucky bluegrass but not on tall fescue and ryegrass. Tank mixes of fenoxapropr with bentaxon reduced significantly the toxiciy on Kentucky bluegrass, the later application resulting in less injury than the early one. No injury was observed in tall fescue and ryegrass with either application of fenoxaprop + bentazon. Fall panicum was better controlled with the late application of fenoxaprop + bentazon in all three grasses. Overall, fall panicum control was greatly improved by the addition of bentazon to fenoxaprop compared to the control by fenoxapropr alone or with surfactant. Nutsedge was better controlled with the tank mix of fenoxaprop + bentazon than bentazon alone."
Language:English
References:0
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Enache, A. J., R. D. Ilnicki, J. Grande, and K. G. Hoffman. 1990. Fenoxaprop and bentazon tank mixes for postemergence weed control in cool season turf. Proc. Annu. Meet. Northeast. Weed Sci. Soc. 44:p. 134.
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http://www.newss.org/proceedings/proceedings_1990_vol44.pdf#page=134
    Last checked: 07/25/2013
    Requires: PDF Reader
    Notes: Item is within a single large file
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