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

Author:

Dewey Steven A.,Asghari Jafar,Tindall Terry A.

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.

Publisher

Cambridge University Press (CUP)

Subject

Plant Science,Agronomy and Crop Science

Reference9 articles.

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2. Epidemiology and control of snow mold of winter wheat and grasses in Pacific Northwest of United States;Sprague;Recent Adv. Bot. Sect.,1961

3. Letters following this symbol are a WSSA-approved computer code from Composite List of Weeds, Weed Sci. 32, Suppl. 2. Available from WSSA, 309 W. Clark St, Champaign, IL 61820.

4. Darkening agents in a UAN solution: influence on snow mold and yield of winter wheat;Tindall;J. Fert. Issues,1986

5. Physiologic and Environmental Factors that Affect the Severity of Snow Mold of Wheat

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