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Uptake and Translocation of Nitrofen and Oxyfluorfen

Published online by Cambridge University Press:  12 June 2017

Omosuyi Fadayomi  and
G.F. Warren
Omosuyi Fadayomi
Affiliation:
Dep. Hortic.
G.F. Warren
Affiliation:
Dep. Hortic.
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Abstract

The site of uptake of nitrofen (2,4-dichlorophenyl-p-nitrophenyl ether) and oxyfluorfen [2-chloro-1-(3-ethoxy-4-nitrophenoxy)-4-(trifluoromethyl)benzene] was studied using a double pot technique. Sorghum [Sorghum bicolor (L.) Moench ‘RS610′] and pea (Pisum sativum L. ‘Alaska’) were the test plants. Herbicidal activity measured by the reduction in fresh weight of the roots and shoots of treated plants showed that exposure of the shoot zone to the herbicides caused much more injury to the plants than root exposure. Translocation of both compounds from root applications to tops of pea and sorghum was studied using 14C-labeled herbicides. There was very little movement of the compounds from the roots of both species. Translocation of the compounds from foliage application was studied using greenbean (Phaseolus vulgaris L. ‘Spartan Arrow’) and soybean [Glycine max (L.) Merr ‘Wayne’]. Almost all of the applied 14C-herbicides remained at the point of application.

Type
Research Article
Information
Weed Science , Volume 25 , Issue 2 , March 1977 , pp. 111 - 114
Copyright
Copyright © 1977 by the Weed Science Society of America 

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References

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