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Applying Herbicides Over Snow to Control Weeds in Winter Wheat (Triticum aestivum)

Published online by Cambridge University Press:  12 June 2017

Steven A. Dewey
Affiliation:
Plant Sci. Dep., Utah State Univ., Logan, UT 84322
Jafar Asghari
Affiliation:
Plant Sci. Dep., Utah State Univ., Logan, UT 84322
Terry A. Tindall
Affiliation:
Soil Sci. Dep., Utah State Univ., Logan, UT 84322

Abstract

Chlorsulfuron at 0.018 kg ai/ha, metsulfuron at 0.0045 kg ai/ha, and 2,4-D at 1.1 kg ae/ha plus dicamba at 0.28 kg ae/ha were applied over snow-covered winter wheat to study the feasibility of combining herbicides with a graphite snow-removal treatment. Chlorsulfuron or metsulfuron applied on snow effectively controlled annual broadleaf weeds when tank mixed with urea ammonium nitrate (UAN) at 28 kg N/ha and graphite powder at 20 kg/ha. Over-snow treatments of 2,4-D plus dicamba plus UAN did not control weeds. There was no antagonism or synergism among herbicides, UAN, or graphite.

Type
Research
Copyright
Copyright © 1989 by the Weed Science Society of America 

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References

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