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Influence of Cultivation and Herbicide Programs on Weed Control and Net Returns in Potato (Solanum tuberosum)

Published online by Cambridge University Press:  20 January 2017

William A. Bailey ,
Henry P. Wilson  and
Thomas E. Hines
William A. Bailey*
Affiliation:
Eastern Shore Agricultural Research and Extension Center, Virginia Polytechnic Institute and State University, Painter, VA 23420
Henry P. Wilson
Affiliation:
Eastern Shore Agricultural Research and Extension Center, Virginia Polytechnic Institute and State University, Painter, VA 23420
Thomas E. Hines
Affiliation:
Eastern Shore Agricultural Research and Extension Center, Virginia Polytechnic Institute and State University, Painter, VA 23420
*
Corresponding author's E-mail: [email protected].
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Abstract

Field studies were conducted near Painter, VA, in 1995 and 1996 to investigate the effects of herbicides and cultivation on weed control, yield, and net returns in potato. Potato injury from herbicides and/or cultivation was not observed in 1995 and was less than 12% in 1996. Metribuzin plus metolachlor preemergence controlled yellow nutsedge by at least 81% regardless of the number of cultivations in 1995 and 1996. Yellow nutsedge control with metribuzin plus rimsulfuron postemergence (POST) plus three cultivations was as high as 70% in 1995 and 88% in 1996. Metribuzin plus rimsulfuron POST controlled common lambsquarters by at least 95% and common ragweed by at least 83% regardless of the number of cultivations in 1995 and 1996. A-size tuber production and net returns from potato receiving herbicides were not improved with two or three cultivations in 1995 or 1996. However, when averaged over all weed control systems (herbicide and cultivation-only systems) multiple cultivations significantly increased control of all weed species, A-size tuber production, and net returns.

Keywords

Metolachlormetribuzinrimsulfuroncommon lambsquarters, Chenopodium album L. # CHEALcommon ragweed, Ambrosia artemisiifolia L. # AMBELpotato, Solanum tuberosum L., ‘Superior’; yellow nutsedge, Cyperus esculentus L. # CYPESA-size potatoPOST, postemergencePRE, preemergenceWAP, weeks after plantingWAT, weeks after treatment
Type
Research
Information
Weed Technology , Volume 15 , Issue 4 , December 2001 , pp. 654 - 659
Copyright
Copyright © Weed Science Society of America 

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References

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