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Mesquite Root Inhibition Tests to Study Inhibitory Activity, Absorption and Translocation of 2,4-D and 2,4,5-T
Published online by Cambridge University Press: 12 June 2017
Extract
The technique used in the tests herein reported is based on the inhibition of root elongation by growth substances, an exceedingly sensitive response. Two procedures are used in the application of the growth substances. The first consists of applying known amounts of test compounds to the root bathing solution of mesquite seedlings, and the second procedure consists of applying these compounds to the cotyledons. After addition of the growth regulator to the solution subsequent root inhibition is dependent on absorption by the root tissue and accumulation in an active form at the site of action. In cotyledonary applications, translocation as well as absorption is necessary before inhibition of root elongation will occur. It was the objective of this study to investigate various possibilities for using these procedures in herbicide absorption and translocation experiments.
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- Copyright © 1960 Weed Science Society of America
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