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Annual Weed Control in Seedling Grasses

Published online by Cambridge University Press:  12 June 2017

C. L. Canode  and
W. C. Robocker
C. L. Canode
Affiliation:
Crops Research Division, Agricultural Research Service, U.S. Department of Agriculture, Pullman, Washington
W. C. Robocker
Affiliation:
Crops Research Division, Agricultural Research Service, U.S. Department of Agriculture, Pullman, Washington
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Abstract

Herbicides were evaluated for weed control in seedling perennial grass stands at six locations in eastern Washington. Most annual weeds commonly found in grass seed fields were controlled by 2-methoxy-3,6-dichlorobenzoic acid (dicamba), 2,3,6-trichlorobenzoic acid (2,3,6-TBA), and 1-butyl-3-(3,4-dichlorophenyl)-1-methylurea (neburon). Dicamba was the most effective herbicide for annual weed control but caused some injury to Kentucky blue-grass seedlings. Seedling grasses injured by dicamba recovered and became established in each trial. Grasses were injured about the same extent when treated with 2,3,6-TBA as when treated with dicamba, but 2,3,6-TBA did not control as many weed species. Neburon did not control as many species as dicamba and 2,3,6-TBA but was effective in killing a large number of species without measurable injury to grass seedlings.

Type
Research Article
Information
Weeds , Volume 14 , Issue 4 , October 1966 , pp. 306 - 309
Copyright
Copyright © 1966 Weed Science Society of America 

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References

Literature Cited

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