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Cheat (Bromus secalinus) Control in Winter Wheat (Triticum aestivum) with Sulfonylurea Herbicides

  • Jacquelyn E. Driver (a1), Thomas F. Peeper (a1) and Jeffrey A. Koscelny (a1)

Abstract

Ten field experiments were conducted in Oklahoma from 1988 to 1992 to evaluate chlorsulfuron plus metsulfuron (5:1 w/w) and triasulfuron for cheat control in winter wheat. Cheat control by chlorsulfuron plus metsulfuron at 18 and 26 g ai/ha varied from 0 to 81% and by triasulfuron at 18 and 30 g ai/ha from 0 to 60%. Grain yield was increased in four experiments and dockage was reduced in five experiments by both rates of chlorsulfuron plus metsulfuron.

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