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Clopyralid Persistence in Spearmint (Mentha cardiaca) Hay Injures Potato (Solanum tuberosum)

Published online by Cambridge University Press:  12 June 2017

Rick A. Boydston
Rick A. Boydston*
Affiliation:
Agric. Res. Serv., U.S. Dep. Agric., Presser, WA 99350
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Abstract

Spent spearmint hay from mint that had been treated with clopyralid in the fall or spring injured ‘Russet Burbank’ potato planted into loamy sand soil amended with 50 g hay/kg soil. Lowering the ratio of mint hay to soil from 50 to 3.1 g/kg reduced, but did not eliminate, the injury to potato. Potato was inured by clopyralid at concentrations as low as 3 ppbw in soil.

Keywords

Clopyralid, 3,6-dichloro-2-pyridinecarboxylic acidpotato, Solanum tuberosum L.spearmint, Mentha cardiaca BakerHerbicide injuryherbicide carryover
Type
Research
Information
Weed Technology , Volume 8 , Issue 2 , June 1994 , pp. 296 - 298
Copyright
Copyright © 1994 by the Weed Science Society of America 

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References

Literature Cited

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