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Effect of Herbicide Treatments on Overseeded Putting Green Turf

Published online by Cambridge University Press:  12 June 2017

B.J. Johnson
B.J. Johnson*
Affiliation:
Univ. Georgia, Georgia Stn. Experiment, GA 30212
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Abstract

Putting green turf containing perennial ryegrass (Lolium perenne L. ‘Medalist IV’) overseeded on a bermudagrass [Cynodon dactylon (L.) Pers. ‘Tifway’] was treated with single and sequential herbicide treatments during the spring and transition period from cool to warm season grass. Oxadiazon [2-tert-butyl-4-(2,4-dichloro-5-isopropoxyphenyl)-Δ2-1,3,4-oxadiazolin-5-one] at 2.2 or 4.4 kg/ha and butralin [4-(1,1-dimethylethyl)-N-(1-methylpropyl)-2,6-dinitrobenzenamine] at 3.4 or 6.7 kg/ha reduced the quality of putting green turf immediately after treatment in early spring. Turf injury was greater with oxadiazon than with butralin. Two applications of MSMA (monosodium methanearsonate) at 2.2 or 3.4 kg/ha resulted in a lower quality turf with less ryegrass when compared with the untreated check. Methazole [2-(3,4-dichlorophenyl)-4-methyl-1,2,4-oxadiazolidine-3,5-dione] at 1.1 kg/ha severely injured ryegrass and resulted in a lower turf quality.

Type
Research Article
Information
Weed Science , Volume 25 , Issue 4 , July 1977 , pp. 343 - 347
Copyright
Copyright © 1977 by the Weed Science Society of America 

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References

Literature Cited

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