Rooting Stimulation of Poinsettia Stem Cuttings by Growth Regulators1

in HortScience
Authors:
G. R. BeckMichigan State University, East Lansing

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K. C. Sink Jr.Michigan State University, East Lansing

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Abstract

Specific auxin-containing formulations which contained primarily indolebutyric acid (IBA), and/or napthaleneacetic acid (NAA) were most effective in promoting rooting of terminal stem cuttings of poinsettia (Euphorbia pulcherrima Willd.).

Contributor Notes

Received for publication September 21, 1973. Michigan Agricultural Experiment Station Journal Article No. 6545. Supported in part by a grant from Eckes, Inc., Encinitas, California, and Mikkelsens, Inc., Astabula, Ohio.

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