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Distribution of Root-Absorbed Picloram

Published online by Cambridge University Press:  12 June 2017

J. R. Baur  and
R. W. Bovey
J. R. Baur
Affiliation:
Crops Research Division, Agr. Res. Serv., U.S. Dep. of Agr., Dep. of Range Science, Texas A&M University, College Station, Texas
R. W. Bovey
Affiliation:
Crops Research Division, Agr. Res. Serv., U.S. Dep. of Agr., Dep. of Range Science, Texas A&M University, College Station, Texas
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Abstract

We studied changes in the concentration of 4-amino-3,5,6-trichloropicolinic acid (picloram) with time in roots, stems, and leaves of 20-day-old seedlings of huisache (Acacia farnesiana (L.) Willd.) and honey mesquite (Prosopis juliflora (Swartz) DC. var. glandulosa (Torr.) Cockerell). Exposing root systems to aqueous solutions of picloram (1.0 ppm huisache and 10.0 ppm honey mesquite) for 24 hr killed approximately 60% of the treated plants. In honey mesquite, picloram was redistributed and eventually lost over a 5-day period, whereas neither redistribution nor loss occurred in huisache.

Type
Research Article
Information
Weed Science , Volume 17 , Issue 4 , October 1969 , pp. 524 - 528
Copyright
Copyright © 1969 Weed Science Society of America 

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References

Literature Cited

1. Baur, J. R. and Morgan, P. W. 1969. Effects of picloram and ethylene on leaf movement in huisache and mesquite seedlings. Plant Physiol. 44:831–838.Google Scholar
2. Bovey, R. W., Davis, F. S., and Merkle, M. G. 1967. Distribution of picloram in huisache after foliar and soil applications. Weeds 15:245–249.CrossRefGoogle Scholar
3. Hurtt, W. and Foy, C. L. 1965. Some factors affecting the excretion of foliarly applied dicamba and picloram from roots of Black Valentine beans. Plant Physiol. (Supp.) 40, xlviii.Google Scholar
4. Merkle, M. G. and Davis, F. S. 1967. Effect of moisture stress on absorption and movement of picloram and 2,4,5-T in beans. Weeds 15:10–12.Google Scholar
5. Mitchell, J. W., Livingston, G. A., and Marth, P. S. 1958. Test methods with plant-regulating chemicals. U.S. Dep. of Agr., Agr. Handbook No. 126. 68 p.Google Scholar
6. Morgan, P. W., Beyer, E. Jr., and Gausman, H. W. 1969. Ethylene effects on auxin physiology. In Wrightman, F. and Setterfield, G. (Ed.). Biochemistry and Physiology of Plants, Runge Press, Ottawa, Canada. pp. 1255–1273.Google Scholar