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Canada Thistle (Cirsium arvense) Propagation from Stem Sections

Published online by Cambridge University Press:  12 June 2017

Mark U. Magnusson
Affiliation:
Dep. Agron., and Plant Genetics, Univ. Minnesota, St. Paul, MN 55108
Donald L. Wyse
Affiliation:
Dep. Agron., and Plant Genetics, Univ. Minnesota, St. Paul, MN 55108
Joseph M. Spitzmueller
Affiliation:
Dep. Agron., and Plant Genetics, Univ. Minnesota, St. Paul, MN 55108

Abstract

Field experiments were conducted to determine whether aerial and subterranean stem sections taken from Canada thistle [Cirsium arvense (L.) Scop. # CIRAR] plants in four stages of development (spring-vegetative, bud, postbloom, and fall-vegetative) could survive and produce infestations the following year. Partially buried aerial stem sections from all stages of development had greater survival 28 days after planting than completely buried aerial stem sections. Few completely buried aerial stem sections survived. Partially or completely buried subterranean stem sections from Canada thistle at the postbloom stage had the highest survival rate. Few partially or completely buried subterranean stem sections from the other three growth stages survived. Surviving stem sections from spring-vegetative, bud, and postbloom stages of Canada thistle produced adventitious roots that overwintered and produced new infestations the following spring. Surviving stem sections from Canada thistle at the fall-vegetative stage did not develop an adequate root system for winter survival.

Information

Type
Weed Biology and Ecology
Copyright
Copyright © 1987 by the Weed Science Society of America 

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