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Effects of a Dimethylpropynyl Benzamide Herbicide on Quackgrass Rhizomes

Published online by Cambridge University Press:  12 June 2017

L. W. Smith ,
R. L. Peterson  and
R. F. Horton
L. W. Smith
Affiliation:
Dep. of Botany, Univ. of Guelph, Guelph, Ontario, Canada
R. L. Peterson
Affiliation:
Dep. of Botany, Univ. of Guelph, Guelph, Ontario, Canada
R. F. Horton
Affiliation:
Dep. of Botany, Univ. of Guelph, Guelph, Ontario, Canada
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Abstract

The compound N-(l,l-dimethylpropynyl)-3,5-dichlorobenzamide affected the development of quackgrass (Agropyron repens (L.) Beauv.) by inhibiting the growth of meristematic regions. The nodes at the apex of treated rhizomes became swollen and necrotic and exhibited increases in DNA, RNA, and protein over untreated rhizomes. These changes in the terminal nodes were accompanied by a dramatic increase in the levels of cellulase and by several disruptive changes in the meristematic, nodal, and internodal tissue of quackgrass rhizomes.

Type
Research Article
Information
Weed Science , Volume 19 , Issue 2 , March 1971 , pp. 174 - 177
Copyright
Copyright © Weed Science Society of America 

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References

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