Hostname: page-component-78c5997874-j824f Total loading time: 0 Render date: 2024-11-19T09:30:33.981Z Has data issue: false hasContentIssue false

A Spectrophotometric Method for the Determination of Several Chlorinated Phenoxyacetic Acids

Published online by Cambridge University Press:  12 June 2017

K. P. Dorschner
Affiliation:
Niagara Chemical Division, Food Machinery and Chemical Corp., Middleport, N. Y.
K. P. Buchholtz
Affiliation:
University of Wisconsin, Madison. Wisconsin
Get access

Extract

Studies with plant growth-regulators are severely handicapped unless methods are available for quantitative determinations of these chemicals. Beginning with the classical work of Went, several techniques have been developed to obtain a quantitative measure of plant growth-regulating chemicals. Brown and Weintraub, Hitchcock and Zimmerman and Frankton have discussed the use of biological assays as quantitative tests for various hormone-type chemicals. Thus far, the only biological methods developed beyond the semi-quantitative stage are those depending on cell elongation in shoots, inhibition or elongation of roots, and the stimulation of ovary development.

Type
Research Article
Information
Weeds , Volume 5 , Issue 2 , April 1957 , pp. 102 - 107
Copyright
Copyright © 1957 Weed Science Society of America 

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Literature Cited

1. Bandurski, R. S. Spectrophotometric method of the determination of 2,4–dichlorophenoxyacetic acid. Bot. Gaz. 108:446449. 1947.CrossRefGoogle Scholar
2. Bennet-Clark, T. A., Lambiah, M. S., and Kefford, N. P. Estimation of plant growth substances by partition chromatography. Nature 169:452453. 1952.CrossRefGoogle ScholarPubMed
3. Brown, J. W. and Weintraub, R. L. A leaf repression method for evaluation of formative activity of plant growth regulating chemicals. Bot. Gaz. 111:448456. 1950.CrossRefGoogle Scholar
4. Frankton, C. Comparison by bioassay tests of 2,4–D esters of high surface activity with 2,4–D formulations now in use. Proc. Canada. Natl. Weed Com., East. Sect. p. 7677. 1949.Google Scholar
5. Grabe, E. Le dosage de l'acide 4–chlore–2–methylphenoxyacetique en composition avec des acides chlores et non chlores. Acta Chemica Scand. 4:806809. 1950.CrossRefGoogle Scholar
6. Hitchcock, A. E. and Zimmerman, P. W. A quantitative method of measuring response of plants to growth regulators. Contrib. Boyce Thompson Inst. 16:225248. 1951.Google Scholar
7. Ketelaar, J. A. A., Gersmann, H. R., and Beck, M. An improved method for the determination of 2,4–D acid and of MCPA in herbicidal formulations. Rec. des Trav. Chim. des Pays-Bas 71:497500. 1952.CrossRefGoogle Scholar
8. LeTourneau, D. and Krog, N. The use of chromotropic acid for the quantitative determination of 2,4–D. Plant Phys. 27:822827. 1952.CrossRefGoogle Scholar
9. Luckwill, L. C. Applications of paper chromotography to the separation and identification of auxins and growth inhibitors. Nature 169: 375. 1952.CrossRefGoogle Scholar
10. Stroud, S. W. The determination of 2,4–D acid. Analyst 77:6367. 1952.CrossRefGoogle Scholar
11. Vlitos, A. J. and Meudt, W. The role of auxin in plant flowering. I. A quantitative method based on paper chromotography for the determination of indole compounds and of 3–indolacetic acid in plant tissues. Contrib. Boyce Thompson Inst. 17:197202. 1953.Google Scholar
12. Went, F. W. Wuchsstoff und Wachstum. Rec. Trav. Bot. Ne'erl. 25:1116. 1928.Google Scholar