Full TGIF Record # 19213
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Publication Type:
Author(s):Powell, A. J. Jr.; Tapp, Linda
Title:Effect of oxadiazon on creeping bentgrass greens
Source:Kentucky Turfgrass Research. 1983, p. 57.
Publishing Information:Lexington, KY: University of Kentucky, College of Agriculture, Cooperative Extension Service
Keywords:TIC Keywords: Agrostis stolonifera; Oxadiazon; Preemergence herbicides; Golf greens; Phytotoxicity; Bensulide; Herbicide rates; Herbicide combinations
Abstract/Contents:1983 study to evaluate oxadiazon (Ronstar 2G) for its potential damage to creeping bentgrass. At the time of this study, oxadiazon was not labeled for creeping bentgrass greens. A Penncross creeping bentgrass green (nursery) was treated with four rates (three replications) of oxadiazon (1.0, 1.5, 2.0, or 3.0 lbs ai/A) and a combinataion of bensulide-oxadiazon (Scotts brand (7.5 + 1.5 lbs ai/A, respectively) on June 22, 1983. The plots were irrigated immediately after application and observed daily for potential phytotoxicity. No injury could be detected until mid July when the green was not irrigated for three days during a very hot and dry period. The affected turf began showing injury immediately with the greatest damage occurring by July 27. With intensive irrigation, full recovery was achieved by late September. Phytotoxicity results are provided in a table. Phytotoxicity ratings (1 to 9;9=no discoloration) ranged from 2.0 at the highest to 6.5 at the lowest oxadiazon rate. The oxadiazon + bensulide treatment received a phytotoxicity rating of 5.0. Check was rated at 9.0.% of plot affected ranged from 10 at the highest to 8 at the lowest oxadiazon rate. The oxadiazon + bensulide treatment had 33% affected while check had 2%.
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Powell, A. J. Jr., and L. Tapp. 1983. Effect of oxadiazon on creeping bentgrass greens. KY. Turfgrass Res. p. 57.
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