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Effect of BAS-145-138 as an Antidote for Sulfonylurea Herbicides

Robert M. Devlin and Irena I. Zbiec
Weed Technology
Vol. 4, No. 2 (Apr. - Jun., 1990), pp. 337-340
Stable URL: http://www.jstor.org/stable/3987084
Page Count: 4
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Effect of BAS-145-138 as an Antidote for Sulfonylurea Herbicides
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Abstract

BAS-145-138 considerably muted the herbicidal effect of the sulfonylurea herbicides on corn. Decreases of 54 and 52% in shoot fresh and dry weight caused by 10 μM chlorsulfuron were countered almost completely by 1.5 mM BAS-145-138 with only a 10% loss in fresh weight and a 3% loss in dry weight. Similar strong antidotal influence by BAS-145-138 on chlorimuron was observed. BAS-145-138 partially protected corn against sulfometuron. Shoot fresh weight of corn treated with 0.2 μM sulfometuron was inhibited 88%, whereas adding 0.5 or 1.5 mM BAS-145-138 reduced inhibition to 52 and 24%, respectively.

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