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Grass Interference in Container-Grown Bailey's Redosier Dogwood (Cornus × baileyi)

Published online by Cambridge University Press:  12 June 2017

Kandy L. Walker
Affiliation:
Dep. Hortic., Univ. Illinois, Urbana, IL 61801
David J. Williams
Affiliation:
Dep. Hortic., Univ. Illinois, Urbana, IL 61801

Abstract

Experiments conducted for two consecutive years indicated measurable interference of barnyardgrass, large crabgrass, and giant foxtail with container-grown Bailey's redosier dogwood as early as 21 days after transplanting of grass seedlings into the containers. Few differences in interference were seen among the three grass weeds. Grass weed densities ranging from one to six weeds per container reduced the dogwood growth. By the termination of the studies, dogwood shoot dry weight, averaged over all grass weeds, was decreased as much as 72% by five weeds per container. Eight weeks after recommended rates of fenoxaprop, haloxyfop, and ethyl ester of quizalofop were applied to dogwood, no phytotoxicity was apparent. These compounds exhibited selectivity for postemergence use in Bailey's redosier dogwood.

Type
Weed Control and Herbicide Technology
Copyright
Copyright © 1988 by the Weed Science Society of America 

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References

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