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Spotted Spurge (Euphorbia maculata) Interference with Cotton (Gossypium hirsutum)

Published online by Cambridge University Press:  12 June 2017

Mohammad T. Bararpour ,
Ronald E. Talbert  and
Robert E. Frans
Mohammad T. Bararpour
Affiliation:
Dep. Agron., Univ. Arkansas, Fayetteville, AR 72701
Ronald E. Talbert
Affiliation:
Dep. Agron., Univ. Arkansas, Fayetteville, AR 72701
Robert E. Frans
Affiliation:
Dep. Agron., Univ. Arkansas, Fayetteville, AR 72701
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Abstract

Field studies were conducted from 1988 through 1990 in Fayetteville, AR, to measure competitiveness of spotted spurge in cotton. Population levels were established by transplanting seedlings from other field areas. There was a positive linear relationship between cotton boll numbers and seed cotton yield. Percent reduction in cotton height, leaf area, dry weight, boll numbers, and seed cotton yield increased as spotted spurge densities increased. Seed cotton yield reduction was 47, 57, and 85% for spotted spurge densities of 5, 10, and 50 spotted spurge plants m–1 of row.

Keywords

Spotted spurge, Euphorbia maculata L. # EPHMAcotton, Gossypium hirsutum L. ‘Arkot 518.’Cotton yieldweed densitiesEPHMA
Type
Weed Biology and Ecology
Information
Weed Science , Volume 42 , Issue 4 , December 1994 , pp. 553 - 555
Copyright
Copyright © 1994 by the Weed Science Society of America 

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References

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