(redirected from Ectomycorrhizal fungus)
Also found in: Medical, Encyclopedia.
Related to Ectomycorrhizal fungus: mycorrhizae


or my·co·rhi·za (mī′kə-rī′zə)
n. pl. my·cor·rhi·zae (-zē) or my·cor·rhi·zas or my·co·rhi·zae or my·co·rhi·zas
The symbiotic association of the mycelium of a fungus with the roots of a plant, as is found in the majority of vascular plants.

[myco- + Greek rhiza, root; see wrād- in Indo-European roots.]

my′cor·rhi′zal adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˌmaɪkəˈraɪzə) or


n, pl -zae (-ziː) or -zas
(Botany) an association of a fungus and a plant in which the fungus lives within or on the outside of the plant's roots forming a symbiotic or parasitic relationship. See ectotrophic mycorrhiza, endotrophic mycorrhiza
[C19: from myco- + Greek rhiza root]
ˌmycorˈrhizal, ˌmycoˈrhizal adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌmaɪ kəˈraɪ zə)

n., pl. -zae (-zē), -zas.
a symbiotic association of the mycelium of a fungus, esp. a basidiomycete, with the roots of certain plants, in which the hyphae form a closely woven mass around the rootlets or penetrate the cells of the root.
my`cor•rhi′zal, my`co•rhi′zal, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
Nitrogen and phosphorus acquisition by the mycelium of the ectomycorrhizal fungus Paxillus involutus and its effect on host nutrition.
Caption: FIGURE 1: Plant height (A), dry mass of the shoots (DMS) (B), percentage of root colonization (C) and ratio of height/stem diameter (D) of Eucalyptus saligna grown in different doses of copper, with and without inoculation of ectomycorrhizal fungus Pisolithus microcarpus.
patula as a function of ectomycorrhizal inoculum dose and three types of inoculum: (i) soil from pine plantations, (ii) crude inoculum composed by plant root fragments of a cultivated Pinus seedlings in a substrate previously inoculated with an ectomycorrhizal fungus, and (iii) in vitro inoculum.
seedlings to arbuscular mycorrhizal fungi and four isolates of the ectomycorrhizal fungus Pisolithus tinctorius (Pers.) Coker and Couch.
However, small whorled pogonia's dependency on a subterranean, ectomycorrhizal fungus is believed to be a limiting factor--without the fungus and the trees that support it, the species cannot survive.
Sequencing the ectomycorrhizal fungus, Laccaria bicolor, provided particularly rich results because it can be grown in culture and can associate with tree roots under laboratory conditions (Cullen, 2008).
ABSTRACT: Lyophyllum shimeji ("Hon-shimeji" in Japanese) is an ectomycorrhizal fungus that grows in association with Japanese red pine and/or oak trees.
In the present investigation, laccase responsive gene was cloned and the putative laccase inducers were tested for their ability to stimulate laccase production in the ectomycorrhizal fungus Hebeloma cylindrosporum.
Tokyo, Japan, Aug 4, 2005 - (JCNN) - Kansai Electric Power (KEPCO) and Osaka Gas have jointly have developed a technology for greening rooftops using symbiotic microorganisms, ectomycorrhizal fungus and vesicular arbuscular mycorrhizal fungi.