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Net Returns from Cheat (Bromus secalinus) Control in Winter Wheat (Triticum aestivum)

Published online by Cambridge University Press:  12 June 2017

Greg G. Justice ,
Thomas F. Peeper ,
John B. Solie  and
Francis M. Epplin
Greg G. Justice
Affiliation:
Okla. State Univ., Stillwater, OK 74078
Thomas F. Peeper
Affiliation:
Dep. Agron., Okla. State Univ., Stillwater, OK 74078
John B. Solie
Affiliation:
Dep. Agric. Eng., Okla. State Univ., Stillwater, OK 74078
Francis M. Epplin
Affiliation:
Dep. Agric. Econ., Okla. State Univ., Stillwater, OK 74078
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Abstract

In field experiments, wheat row spacing, seeding rate, and herbicide treatment affected cheat seed content of harvested wheat, wheat yield, and net returns. No individual practice or combination of practices consistently increased net returns from cheat-infested wheat. Net returns frequently were increased and never decreased by applying metribuzin at 420 g ha−1 or chlorsulfuron + metsulfuron at 21.9 + 4.4 g ha−1 or by increasing the seeding rate compared to baseline inputs. The data indicate that herbicide rates should not be reduced when row spacing is decreased and/or seeding rates increased.

Keywords

Chlorsulfuron, 2-chloro-N-[[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)amino]carbonyl]benzenesulfonamidemetsulfuron, 2-[[[[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)amino]carbonyl]amino]sulfonyl]benzoic acidmetribuzin, 4-amino-6-(1,1-dimethylethyl)-3-(methylthio)-1,2,4-triazin-5(4H)-onecheat, Bromus secalinus L. # BROSEwheat, Triticum aestivum L.Enterprise budgetschlorsulfuron plus metsulfuronmetribuzin
Type
Research
Information
Weed Technology , Volume 7 , Issue 2 , June 1993 , pp. 459 - 464
Copyright
Copyright © 1993 Weed Science Society of America 

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