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Tolerance of Three Soybean (Glycine max) Cultivars to Metribuzin

Published online by Cambridge University Press:  12 June 2017

William L. Barrentine ,
Edgar E. Hartwig ,
Calton J. Edwards Jr.  and
Thomas C. Kilen
William L. Barrentine
Affiliation:
U.S. Dep. Agric, Agric. Res. Serv., Stoneville, MS 38776
Edgar E. Hartwig
Affiliation:
U.S. Dep. Agric, Agric. Res. Serv., Stoneville, MS 38776
Calton J. Edwards Jr.
Affiliation:
U.S. Dep. Agric, Agric. Res. Serv., Stoneville, MS 38776
Thomas C. Kilen
Affiliation:
U.S. Dep. Agric, Agric. Res. Serv., Stoneville, MS 38776
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Abstract

‘Tracy′, ‘Tracy-M′, and ‘Centennial′, soybean [Glycine max (L.) Merr.] cultivars were evaluated under greenhouse and field conditions for their tolerance to metribuzin [4-amino-6-tert-butyl-3-(methylthio)-as-triazin-5 (4H)-one]. The I50 (50% injury) concentration of metribuzin, as determined in nutrient culture, for Tracy-M was more than three times the I50 for Tracy, but was equivalent to the I50 for Centennial. Data from greenhouse and field studies on Sharkey clay and Dundee silt loam soils indicated that Tracy-M was more tolerant to metribuzin than its parent selection, Tracy, but no more tolerant than Centennial when metribuzin was applied preplant soil incorporated or surface preemergence alone or in combination with several dinitroaniline herbicides.

Keywords

Soil texturesoil incorporationTracy-M.
Type
Research Article
Information
Weed Science , Volume 30 , Issue 4 , July 1982 , pp. 344 - 348
Copyright
Copyright © 1982 by the Weed Science Society of America 

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References

Literature Cited

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