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Effect of Incorporation Methods and Time of Application on the Performance of Trifluralin Plus Metribuzin

Published online by Cambridge University Press:  12 June 2017

W. L. Barrentine ,
O. B. Wooten  and
J. R. Williford
J. R. Williford
Affiliation:
U.S. Dep. Agric., Agric. Res. Serv., Stoneville, MS 38776
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Abstract

Disk harrowing, spring tooth harrowing, and bed conditioning, alone or followed by bedding the rows, were evaluated in field studies to determine their efficacy to soil incorporate trifluralin (α,α,α-trifluoro-2,6-dinitro-N,N-dipropyl-p-toluidine) plus metribuzin [4-amino-6-tert-butyl-3-(methylthio)-as-triazine-5 (4H)-one] in soybeans [Glycine max (L.) Merr.]. Effects of the time interval between herbicide application and soybean planting were also evaluated. Effective weed control and adequate crop selectivity were obtained from all incorporation methods except those followed by bedding. Bedding occasionally reduced weed control and soybean stands as compared to incorporation without bedding. Excessive crop injury resulted from the application of a band of the herbicide mixture as a subsurface layer. The herbicide mixture was applied up to 6 weeks before soybean planting without adversely affecting crop or weed selectivity when incorporated with the spring tooth harrow without bedding.

Keywords

Glycine maxSesbania exaltataspring tooth harrowbed conditionersubsurface layering
Type
Research Article
Information
Weed Science , Volume 27 , Issue 1 , January 1979 , pp. 64 - 68
Copyright
Copyright © 1979 by the Weed Science Society of America 

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References

Literature Cited

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