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Control of Venice Mallow (Hibiscus trionum) in Corn (Zea mays) and Onions (Allium cepa)

Published online by Cambridge University Press:  12 June 2017

Philip Westra
Affiliation:
Dep. Plant Pathol./Weed Sci., Colo. State Univ., Ft. Collins, CO 80523
Calvin H. Pearson
Affiliation:
Dep. Agro., Colo. State Univ., Ft. Collins, CO 80523
Randall Ristau
Affiliation:
Dep. Agro., Colo. State Univ., Ft. Collins, CO 80523

Abstract

Postemergence herbicides alone and in combination were evaluated for Venice mallow control in corn and onion in Colorado during 1986 and 1987. Season-long control of 88 to 98% in corn was obtained with bromoxynil plus cyanazine or atrazine; 2,4-D amine plus dicamba or bromoxynil; or linuron, bromoxynil, or dicamba applied alone. Oxyfluorfen plus bromoxynil in a split application controlled Venice mallow 80 to 99% all season in onions. Uncontrolled Venice mallow caused higher yield reductions in onions than in corn.

Type
Research
Copyright
Copyright © 1990 Weed Science Society of America 

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References

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