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Sweet Potato Periderm Components Inhibit Yellow Nutsedge (Cyperus esculentus) Growth

Published online by Cambridge University Press:  12 June 2017

Howard F. Harrison Jr.  and
Joseph K. Peterson
Howard F. Harrison Jr.
Affiliation:
U.S. Dep. Agric., Agric. Res. Serv., U.S. Vegetable Laboratory, Charleston, SC 29414
Joseph K. Peterson
Affiliation:
U.S. Dep. Agric., Agric. Res. Serv., U.S. Vegetable Laboratory, Charleston, SC 29414
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Abstract

Sequential extraction and chromatographic procedures were used to isolate inhibitors of yellow nutsedge growth from sweet potato periderm tissue. Most of the inhibitory activity was found in a single high pressure liquid chromatography peak that contained 1.2% of the periderm dry weight. Concentration-response data indicated that yellow nutsedge is highly sensitive to this fraction. Several other fractions inhibited yellow nutsedge root growth, but they did not compose a major portion of the inhibitory capacity of the periderm extracts.

Keywords

Sweet potato, Ipomoea batatas (L.) Lam., ‘Regal,’ yellow nutsedge, Cyperus esculentus L. # CYPESAllelopathybioassayGYPES

Information

Type
Notes
Information
Weed Technology , Volume 8 , Issue 1 , March 1994 , pp. 168 - 171
Copyright
Copyright © 1994 by the Weed Science Society of America 

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References

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