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Crop Protectants and Herbicides for Orchardgrass-Alfalfa Establishment
Published online by Cambridge University Press: 12 June 2017
Abstract
One greenhouse and two field experiments were conducted to determine if crop protectants used in conjunction with herbicides would permit weed-free establishment of orchardgrass (Dactylis glomerata L. ‘Potomac’) with alfalfa (Medicago sativa L. ‘WL 307’). Herbicides used were EPTC (S-ethyl dipropylthiocarbamate) and butam [2,2-dimethyl-N-(1-methylethyl)-N-(phenylmethyl)propanamide] plus cyprazole {N-[5-(2-chloro-1,1-dimethylethyl)-1,3,4 thiadiazol-2-yl] cyclopropanecarboxamide}. These experiments revealed that banded activated charcoal allowed limited orchardgrass establishment with a herbicide but did not result in consistently better orchardgrass stands than the untreated control. Orchardgrass was not protected from herbicide injury by 1,8-naphthalic anhydride (NA) or R-25788 (N,N-diallyl-2,2-dichloroacetamide). The butam plus cyprazole mixture consistently controlled grass and broadleaf weeds as effectively as EPTC.
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- Copyright © 1975 by the Weed Science Society of America
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