Effects of Pronamide on Spring Transition of a Bermudagrass (Cynodon dactylon) Green Overseeded With Perennial Ryegrass (Lolium perenne)
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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.
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2011 ◽
Vol 60
(1)
◽
pp. 219-232
◽
1990 ◽
Vol 1990
◽
pp. 139-139
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