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Cold Stratification Requirements for Germination of Alliaria petiolata

Published online by Cambridge University Press:  20 January 2017

S. Raghu  and
Susan L. Post
S. Raghu*
Affiliation:
School of Natural Resource Sciences, Queensland University of Technology, GPO Box 2434, Brisbane, QLD 4001, Australia Illinois Natural History Survey, 1816, S. Oak St., Champaign, IL 61820
Susan L. Post
Affiliation:
Illinois Natural History Survey, 1816, S. Oak St., Champaign, IL 61820
*
Corresponding author's E-mail: [email protected]
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Abstract

Garlic mustard is among the most important invasive weeds of North American eastern deciduous forests. Investigations of the mechanisms that enable its success as an invader require a simple method to propagate this weed in the laboratory and the greenhouse; we develop such a method in this study. Cold treatment (24-h dark cycle; maximum 6 C, minimum −1 C) for at least 100 d on a moist organic mix, followed by incubation at temperatures approximating spring (maximum 15 C, minimum 6 C), results in close to 100% germination. The information presented here will be valuable in studies requiring a steady supply of garlic mustard plants for experimentation and for the mass rearing of biological control agents.

Keywords

Garlic mustardAlliaria petiolata (M. Bieb.) Cavara & GrandeAlliaria petiolatagarlic mustardgermination ecologycold stratificationdormancy
Type
Notes and Commentary
Information
Invasive Plant Science and Management , Volume 1 , Issue 3 , July 2008 , pp. 315 - 318
Copyright
Copyright © Weed Science Society of America 

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