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Efficacy of Fall Incorporated and Non-incorporated Granular Triallate on Wild Oat (Avena fatua) and Wheat (Triticum aestivum)

Published online by Cambridge University Press:  12 June 2017

Kenneth J. Kirkland
Kenneth J. Kirkland*
Affiliation:
Agric. Can. Exp. Farm, P.O. Box 10, Scott, Saskatchewan, Canada, SOK 4AO
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Abstract

The influence of incorporation vs no incorporation on the efficacy of granular triallate applied in mid-October at 1400 and 1700 g ai/ha to control wild oat was evaluated in spring wheat in west central Saskatchewan over a 7-yr period. All fall-applied triallate reduced wild oat panicles and fresh weight, and increased yield compared to untreated checks. With applications in standing wheat stubble there was no difference in wild oat control from incorporation versus no incorporation. All triallate treatments reduced wild oat panicles and fresh weight by over 95%, and resulted in wheat yield increases ranging from 29 to 67%. In tilled fallow, incorporated granules provided better wild oat control than when there was no incorporation. Wheat yield increases ranged from 50 to 85% for triallate treatments with yield for incorporated triallate approximately 15% greater than non-incorporated. The rate of triallate did not affect the level of wild oat control achieved with either incorporation method. In separate tolerance studies triallate incorporation method did not affect spring wheat emergence or subsequent development.

Keywords

Triallate, S-(2,3,3-trichloro-2-propenyl) bis(1-methylethyl) carbamothioatewild oat Avena fatua L. # AVEFAspring wheat, Triticum aestivum L. ‘Neepawa.’IncorporationtolerancetriallateAVEFA
Type
Research
Information
Weed Technology , Volume 8 , Issue 3 , September 1994 , pp. 607 - 611
Copyright
Copyright © 1994 by the Weed Science Society of America 

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References

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