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Soil as Herbicide Carrier for Italian Ryegrass (Lolium multiflorum) Control in Wheat (Triticum aestivum)

Published online by Cambridge University Press:  12 June 2017

Birhanu Kinfe  and
Thomas F. Peeper
Birhanu Kinfe
Affiliation:
Dep. Agron., Okla. State Univ., Stillwater, OK 74078
Thomas F. Peeper
Affiliation:
Dep. Agron., Okla. State Univ., Stillwater, OK 74078
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Abstract

The efficacy of herbicides applied broadcast by hand with a soil carrier or sprayed with water carrier were compared for Italian ryegrass control in winter wheat in central Oklahoma. Italian ryegrass was controlled 77 to 100% with BAY SMY 1500, chlorsulfuron, and CGA-131036 applied with both carriers. Metribuzin applied POST with 187 L ha–1 water was less phytotoxic to Italian ryegrass and wheat than with 200 kg ha–1 soil. All herbicides applied with 200 kg ha–1 silt loam soil as carrier at two locations controlled Italian ryegrass 96 to 100%. Increasing herbicide rate, soil carrier quantity, or broadcasting soil-carried herbicide in two directions rather than one did not significantly improve herbicide efficacy over that of conventional spraying.

Keywords

BAY SMY 1500, 4-amino-6-(1-1-dimethylethyl)-3-(ethylthio)-1,2,4-triazin-5(4H)-oneCGA-131036, 2-(2-chloroethoxy)-N-{[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)amino]-carbonyl}benzenesulfonamideChlorsulfuron, 2-chloro-N-[[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)amino]carbonyl]benzenesulfonamidemetribuzin, 4-amino-6-(1,1-dimethylethyl)-3-(methylthio)-1,2,4-triazin-5(4H)-onewheat (Triticum aestivum L.)Italian ryegrass (Lolium multiflorum Lam. ♯ LOLMU)BAY SMY 1500CGA-131036chlorsulfuronmetribuzinLOLMU
Type
Research
Information
Weed Technology , Volume 5 , Issue 4 , December 1991 , pp. 858 - 863
Copyright
Copyright © 1990 by the Weed Science Society of America 

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References

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