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Selectivity of Pronamide and Trifluralin in Belgian Endive (Cichorium intybus)

Published online by Cambridge University Press:  12 June 2017

Wondimagegnehu Mersie  and
Joycelyn Elliott
Wondimagegnehu Mersie
Affiliation:
Agric. Res. Stn., Virginia State Univ., Petersburg, VA 23806
Joycelyn Elliott
Affiliation:
Agric. Res. Stn., Virginia State Univ., Petersburg, VA 23806
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Abstract

Field studies were conducted to determine the selectivity and efficacy of pronamide alone or with sethoxydim and trifluralin, in Belgian endive. Pronamide at 1.68 with sethoxydim or alone or at 2.24 kg ai ha−1 controlled weeds better than trifluralin at 0.6 or 1.0 kg ai ha−1 in the field. Pronamide at 2.24 kg ha−1 was the best at controlling grass and broadleaf weeds season-long. In nutrient culture studies, Belgian endive roots were injured at 5 mg L−1 of pronamide, whereas redroot pigweed and green foxtail were inhibited at 0.5 and 0.1 mg L−1, respectively. Shoot weights showed similar differences but were less sensitive than roots.

Keywords

Pronamide, 3,5-dichloro(N-1,1-dimethyl-2-propynyl)benzamidetrifluralin, 2,6-dinitro-N,N-dipropyl-4-(trifluoromethyl)benzenaminesethoxydim, 2-[1-(ethoxyimino)butyl]-5-[2-(ethylthio)propyl]-3-hydroxy-2-cyclohexen-1-oneBelgian endive, Cichorium intybus L. ‘Bea’green foxtail, Setaria viridis (L.) Beauv. # SETVIredroot pigweed, Amaranthus retroflexus L. # AMARETolerancesoil applied herbicidesAmaranthus retroflexusSetaria viridisAMARESETVI

Information

Type
Research
Information
Weed Technology , Volume 7 , Issue 1 , March 1993 , pp. 226 - 229
Copyright
Copyright © 1993 by the Weed Science Society of America 

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References

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