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Influence of Row Spacing on Weed Competition by Cotton

Published online by Cambridge University Press:  12 June 2017

N. K. Rogers ,
G. A. Buchanan  and
W. C. Johnson
N. K. Rogers
Affiliation:
Dep. of Agron. and Soils, Auburn Univ. Agric. Exp. Sta., Auburn, AL 36830
G. A. Buchanan
Affiliation:
Dep. of Agron. and Soils, Auburn Univ. Agric. Exp. Sta., Auburn, AL 36830
W. C. Johnson
Affiliation:
Dep. of Agron. and Soils, Auburn Univ. Agric. Exp. Sta., Auburn, AL 36830
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Abstract

When planted with narrow (53 cm) row spacing, cotton (Gossypium hirsutum L.) ‘McNair 210’ produced maximum yields with as little as 6 weeks of weed-free maintenance. With wider row spacing (79 and 106 cm), however, 10 and 14 weeks of weed-free maintenance were required for maximum yield. When weeds were allowed to grow in cotton for more than 2 to 4 weeks after planting, yield reductions occurred. This tolerance period did not differ with row widths of 53, 79, or 106 cm.

Type
Research Article
Information
Weed Science , Volume 24 , Issue 4 , July 1976 , pp. 410 - 413
Copyright
Copyright © 1976 by the Weed Science Society of America 

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References

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