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1 April 2009 Surface Applications of Dazomet Provide Nonselective Control of Seashore Paspalum (Paspalum vaginatum) Turf
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Abstract

Herbicide applications prior to turf renovation often fail to provide complete control of perennial warm-season turfgrass species like seashore paspalum. Surface applications of dazomet at 506 kg/ha provided > 90% POST control of ‘SeaDwarf’ seashore paspalum turf in 2008. Although applications of glyphosate at 5.6 kg/ha or fluazifop-P-butyl at 0.42 kg/ha induced significant injury, these treatments provided < 40% POST control of SeaDwarf seashore paspalum turf 10 wk after initial treatment (WAIT) in 2008. A similar response was noted following applications of glyphosate plus fluazifop-P-butyl at rates of 5.6 kg/ha and 0.42 kg/ha, respectively. POST control following applications of glyphosate at 5.6 kg/ha plus fluazifop-P-butyl at 0.42 kg/ha, prior to applying dazomet at 506 kg/ha, was not different from that which was observed following applications of dazomet alone at 506 kg/ha. These data suggest that granular applications of dazomet alone, at 506 kg/ha, can be used to provide effective control of SeaDwarf seashore paspalum prior to renovation.

Nomenclature: Dazomet; fluazifop-P-butyl; glyphosate; seashore paspalum, Paspalum vaginatum Swartz. ‘SeaDwarf’ PASVA.

James T. Brosnan and Gregory K. Breeden "Surface Applications of Dazomet Provide Nonselective Control of Seashore Paspalum (Paspalum vaginatum) Turf," Weed Technology 23(2), 270-273, (1 April 2009). https://doi.org/10.1614/WT-08-147.1
Received: 9 October 2008; Accepted: 1 February 2009; Published: 1 April 2009
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