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Weed Control Systems for Transplanted Sugarbeets (Beta vulgaris)

Published online by Cambridge University Press:  12 June 2017

Robert G. Wilson ,
John A. Smith ,
C. Dean Yonts ,
James G. Robb  and
Eric D. Kerr
Robert G. Wilson
Affiliation:
Univ. Nebraska, Scottsbluff, NE 69361
John A. Smith
Affiliation:
Univ. Nebraska, Scottsbluff, NE 69361
C. Dean Yonts
Affiliation:
Univ. Nebraska, Scottsbluff, NE 69361
James G. Robb
Affiliation:
Univ. Nebraska, Scottsbluff, NE 69361
Eric D. Kerr
Affiliation:
Univ. Nebraska, Scottsbluff, NE 69361
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Abstract

Management systems for direct-seeded and transplanted sugarbeets (Beta vulgaris L. ‘Mono Hy D2′) were compared for weed control and sugarbeet selectivity from 1983 through 1985 in western Nebraska. Broadleaf weed density was similar, but yellow foxtail [Setaria glauca (L.) Beauv. # SETLU] density was lower in transplanted compared to direct-seeded sugarbeets. Preplant soil-incorporated applications of cycloate (S-ethyl cyclohexylethylcarbamothioate) plus trifluralin [2,6-dinitro-N,N-dipropyl-4-(trifluoromethyl)benzenamine] at 3.3 plus 0.6 kg ai/ha or ethofumesate [(±)-2-ethoxy-2,3-dihydro-3,3-dimethyl-5-benzofuranyl methanesulfonate] plus trifluralin at 2.2 plus 0.6 kg/ha was noninjurious to transplanted sugarbeets but caused severe injury to direct-seeded sugarbeets. The combination of cycloate or ethofumesate with trifluralin improved weed control over that obtained when cycloate or ethofumesate was used alone. By combining the improved weed control obtained from cycloate plus trifluralin or ethofumesate plus trifluralin with the transplanting crop establishment technique, a superior sugarbeet weed control program was developed.

Keywords

Planting techniqueAmaranthus retroflexusChenopodium albumHelianthus annuusKochia scopariaSolanum sarrachoidesAMARECHEALHELANKCHSCSOLSA
Type
Weed Control and Herbicide Technology
Information
Weed Science , Volume 35 , Issue 1 , January 1987 , pp. 99 - 102
Copyright
Copyright © 1987 by the Weed Science Society of America 

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References

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