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Wild Mustard (Brassica kaber) and Wild Oat (Avena fatua) Interference in Sugarbeets (Beta vulgaris L.)

Published online by Cambridge University Press:  12 June 2017

Abdelouhab Mesbah ,
Stephen D. Miller ,
K. James Fornstrom  and
David E. Legg
Abdelouhab Mesbah
Affiliation:
Dep. Plant, Soil Insect Sci., Univ. Wyoming, Laramie, WY 82071
Stephen D. Miller
Affiliation:
Dep. Plant, Soil Insect Sci., Univ. Wyoming, Laramie, WY 82071
K. James Fornstrom
Affiliation:
Dep. Plant, Soil Insect Sci., Univ. Wyoming, Laramie, WY 82071
David E. Legg
Affiliation:
Dep. Plant, Soil Insect Sci., Univ. Wyoming, Laramie, WY 82071
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Abstract

Two furrow irrigated field experiments were conducted for two years at the Research and Extension Center, Powell, WY to determine the influence of various mixed densities and durations of wild oat and wild mustard interference in sugarbeet. Sugarbeet root yields were reduced by competition from all examined densities of wild oat and wild mustard, alone and in combination. Root yield reduction was less than additive with mixed densities of wild oat and wild mustard. Root yields decreased as the duration of interference after sugarbeet emergence from a mixed density of wild oat and wild mustard increased. Sucrose content of sugarbeet was not altered by competition. Based on regression analysis, the minimum time that a mixed density of 0.8 wild mustard and 1 wild oat/m of row can interfere with sugarbeet before causing an economic root yield loss was approximately 1.6 weeks after sugarbeet emergence.

Keywords

Wild mustard, Brassica kaber (D.C.) L.C. Wheeler #, SINARwild oat, Avena fatua L. AVEFAsugarbeet, Beta vulgaris L. ‘Mono HyR2.’CompetitionAVEFASINAR
Type
Research
Information
Weed Technology , Volume 9 , Issue 1 , March 1995 , pp. 49 - 52
Copyright
Copyright © 1995 by the Weed Science Society of America 

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References

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