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Foxtail (Setaria spp.) seedling dynamics in spring wheat (Triticum aestivum) are influenced by seeding date and tillage regime

Published online by Cambridge University Press:  12 June 2017

Eric Spandl ,
Beverly R. Durgan  and
Frank Forcella
Eric Spandl
Affiliation:
Department of Agronomy and Plant Genetics, University of Minnesota, St. Paul, MN 55108
Frank Forcella
Affiliation:
USDA-ARS, Morris, MN 56267
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Extract

Emergence patterns of foxtail in spring wheat following soybean were evaluated for three seeding dates and three tillage regimes. Cumulative foxtail emergence, as a percentage of total plants emerged in the growing season, was generally not influenced by tillage regime throughout most of the emergence period, but when differences occurred, emergence was lower with no-till than with moldboard plow. Foxtail seedling densities were greater in no-till and chisel plow than in moldboard plow. Weed biomass and wheat yields were not affected by tillage regime. Delaying wheat seeding reduced foxtail percent emergence and emerged seedling density. Differences in emergence patterns of foxtail were attributable to thermal accumulation after seeding. Wheat yield was not influenced by seeding date in 2 of 3 yr.

Keywords

Green foxtail, Setaria viridis (L.) Beauv. SETVIsoybean, Glycine max L. Merr.wheat, Triticum aestivum L.Chisel plowing, moldboard plowing, no-till, seeding dates, SETVI
Type
Weed Biology and Ecology
Information
Weed Science , Volume 47 , Issue 2 , April 1999 , pp. 156 - 160
Copyright
Copyright © 1999 by the Weed Science Society of America 

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References

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