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Bromoxynil-Resistant Common Groundsel (Senecio vulgaris)

Published online by Cambridge University Press:  12 June 2017

Carol Mallory-Smith
Carol Mallory-Smith*
Affiliation:
Department of Crop and Soil Science, Oregon State University, Corvallis, OR 97331
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Abstract

Resistance to bromoxynil and terbacil was confirmed in common groundsel collected from peppermint (Mentha piperita) fields in Oregon. This is the first reported case of a bromoxynil-resistant weed selected under field conditions. The bromoxynil rate required to reduce growth by 50% was 10 times higher for the resistant biotype than for the susceptible biotype. The bromoxynil-resistant biotype also was resistant to terbacil.

Keywords

Bromoxynil, 3,5-dibromo-4-hydroxybenzonitrileterbacil, 5-chloro-3-(1,1-dimethylethyl)-6-methyl-2,4(1H,3H)-pyrimidinedionecommon groundsel, Senecio vulgaris L. #3 SENVUHerbicide resistancepeppermintSENVUGR50, herbicide rate that reduced growth 50%R, resistantS, susceptible
Type
Research
Information
Weed Technology , Volume 12 , Issue 2 , June 1998 , pp. 322 - 324
Copyright
Copyright © 1998 by the Weed Science Society of America 

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References

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