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Kochia (Kochia scoparia) Interference with Oat (Avena sativa)

Published online by Cambridge University Press:  12 June 2017

Frank A. Manthey
Affiliation:
Dep. Plant Sci., North Dakota State Univ., Fargo, ND 58105
Gary A. Hareland
Affiliation:
USDA/ARS, Hard Red Spring Wheat and Durum Wheat Quality Laboratory, Cereal Crops Res., Fargo, ND 58105
Richard K. Zollinger
Affiliation:
USDA/ARS, Hard Red Spring Wheat and Durum Wheat Quality Laboratory, Cereal Crops Res., Fargo, ND 58105
Donna J. Huseby
Affiliation:
Dep. Cereal Sci. Food Technol., North Dakota State Univ., Fargo, ND 58105

Abstract

A field experiment was conducted over five years to determine the effect of season-long kochia interference on oat yield and quality. Kochia interference did not affect oat height, test weight, 500-kernel weight, or groat percentage. Similarly, ash, starch, and total β-glucan percentages in oat groat were not affected by kochia interference. Oat grain yield was reduced in 1991 and 1994 by 30 kochia plants/m2, the highest density. Lipid and protein content were not affected by kochia except in 1992 where protein content was reduced and lipid content was increased by kochia.

Type
Research
Copyright
Copyright © 1996 by the Weed Science Society of America 

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