Toxicity of DSMA to Johnsongrass

McWhorter, C.G. (1966) Toxicity of DSMA to Johnsongrass. Weed Science, 14 (3). pp. 191-194.

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Abstract

Applications of disodium methanearsonate (DSMA) killed Johnsongrass foliage in field and greenhouse experiments. Control of regrowth following treatment increased with increasing rates, but there was no indication of translocation to rhizomes. DSMA toxicity did not change in 20 to 80 gpa water, but somewhat less control was obtained in 10 gpa. Addition of a surfactant to spray solutions increased toxicity. Control was not affected by stage of Johnsongrass growth, but observations indicated increased control during droughty conditions. Repeated usage provided seasonal Johnsongrass control equal to that obtained with sodium 2,2-dichloropropionate (dalapon), although more frequent applications were necessary.

Item Type: Article
Author Affiliation: Crop Research Division, Agricultural Research Service, U.S.Department of Agriculture, Stoneville, Mississippi.
Subjects: Plant Protection
Divisions: Sorghum
Depositing User: Library ICRISAT-InfoSAT
Date Deposited: 31 Mar 2012 06:57
Last Modified: 31 Mar 2012 06:57
Official URL: http://www.jstor.org/stable/4040909
URI: http://eprints.icrisat.ac.in/id/eprint/4436

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