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Evaluation of Pine Kraft Lignins for Controlled Release of Alachlor and Metribuzin

Published online by Cambridge University Press:  12 June 2017

Bruce D. Riggle  and
Donald Penner
Bruce D. Riggle
Affiliation:
Dep. Crop and Soil Sci., Michigan State Univ., E. Lansing, MI 48824
Donald Penner
Affiliation:
Dep. Crop and Soil Sci., Michigan State Univ., E. Lansing, MI 48824
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Abstract

The controlled release of metribuzin [4-amino-6-(1,1-dimethylethyl)-3-(methylthio)-1,2,4-triazin-5(4H)-one] and alachlor [2-chloro-N-(2,6-diethylphenyl)-N-(methoxymethyl)acetamide] from pine kraft lignin was studied using 14C-labeled herbicides and 3H-labeled lignin with soil thin-layer chromatography. NB-5203-58 series and PC940 series kraft lignins adsorbed and desorbed metribuzin as soil plates were developed with water. PC671, a formulated kraft lignin control release product, did not provide controlled release with metribuzin. NB-5203-58B and PC940C were the most effective of their respective series of kraft lignins. PC940C also provided controlled release of alachlor.

Keywords

Alachlormetribuzinsoil thin-layer chromatography
Type
Weed Control and Herbicide Technolgy
Information
Weed Science , Volume 35 , Issue 2 , March 1987 , pp. 243 - 246
Copyright
Copyright © 1987 by the Weed Science Society of America 

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References

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