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Influence of Tillage and Herbicides on Weed Control in a Wheat (Triticum aestivum)–Soybean (Glycine max) Rotation

Published online by Cambridge University Press:  12 June 2017

Henry P. Wilson ,
Martin P. Mascianica ,
Thomas E. Hines  and
Ronald F. Walden
Henry P. Wilson
Affiliation:
Virginia Polytechnic Inst. and State Univ., Painter, VA 23420
Martin P. Mascianica
Affiliation:
Virginia Polytechnic Inst. and State Univ., Painter, VA 23420
Thomas E. Hines
Affiliation:
Virginia Polytechnic Inst. and State Univ., Painter, VA 23420
Ronald F. Walden
Affiliation:
Virginia Polytechnic Inst. and State Univ., Painter, VA 23420
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Abstract

Field studies were conducted for 4 yr to investigate the effects of tillage and herbicide programs on weed control and wheat (Triticum aestivum L. ‘Potomac’ in 1981 and ‘Wheeler’ from 1982 to 1984) grain yields in a wheat-soy bean [Glycine max (L.) Merr.] double-crop rotation. Predominant weed species were common chickweed [Stellaria media (L.) Vill. # STEME], corn chamomile (Anthemis arvensis L. # ANTAR), and annual bluegrass (Poa annua L. # POAAN) at the onset of research and cheat (Bromus secalinus L. # BROSE) and soft brome (Bromus mollis L. # BROMO) at the conclusion of the study. Control of all species was excellent with conventional tillage and no-till plus nonselective herbicides but was significantly less with no-till without nonselective herbicides and with minimum tillage. After 4 yr, maximum wheat grain yields were significantly higher in conventional- than in minimum- or no-till systems.

Keywords

2,4-DdicambaglyphosateHOE-39866paraquatAnthemis arvensisBromus mollisBromus secalinusPoa annuaStellaria mediaANTARBROMOBROSEPOAANSTEME
Type
Weed Control and Herbicide Technology
Information
Weed Science , Volume 34 , Issue 4 , July 1986 , pp. 590 - 594
Copyright
Copyright © 1986 by the Weed Science Society of America 

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References

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