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Effects of Pronamide on Spring Transition of a Bermudagrass (Cynodon dactylon) Green Overseeded With Perennial Ryegrass (Lolium perenne)

Published online by Cambridge University Press:  12 June 2017

Billy J. Johnson
Billy J. Johnson*
Affiliation:
Dep. Agron., Univ. Ga., Ga. Stn., Griffin, GA 30223-1797
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Abstract

Pronamide was applied to a ‘Tifway’ bermudagrass golf green overseeded with perennial ryegrass during 1988 and 1989 to determine how herbicide rate and date affected ryegrass injury on transition back to a bermudagrass monostand. In most instances, perennial ryegrass was injured less when pronamide was applied at 0.28 or 0.56 kg ai/ha March 30 or April 13 than when application was delayed until April 28 or May 14. Perennial ryegrass injury lasted longer when 0.28 kg/ha was applied twice (March and/or April) than when applied singly at 0.28 kg/ha March 30 or April 13. The optimum time and rate of pronamide for effective transition was April 13 and 0.56 kg/ha, respectively.

Keywords

Pronamide, 3,5-dichloro (N-1,1-dimethyl-2-propynyl)-benzamide‘Tifway’ bermudagrass, Cynodon transvaalensis Burtt-Davey ♯3 CYNTR x C. dactylon (L.) Pers. ♯ CYNDAperennial ryegrass, Lolium perenne L. ♯ LOLPETurf injuryturf qualitytransitionwinter overseedingCYNTRCYNDALOLPE
Type
Research
Information
Weed Technology , Volume 4 , Issue 2 , June 1990 , pp. 322 - 326
Copyright
Copyright © 1990 Weed Science Society of America 

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References

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