| 单词 | mycorrhiza |
| 释义 | mycorrhizaor my·co·rhi·za[ mahy-kuh-rahy-zuh ] / ˌmaɪ kəˈraɪ zə / noun, plural my·cor·rhi·zae [mahy-kuh-rahy-zee], /ˌmaɪ kəˈraɪ zi/, my·cor·rhi·zas.Plant Pathology.a symbiotic association of the mycelium of a fungus, especially 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. Also called fungus root. Origin of mycorrhizaFirst recorded in 1890–95; myco- + -rrhiza OTHER WORDS FROM mycorrhizamy·cor·rhi·zal, my·co·rhi·zal, adjectiveWords nearby mycorrhizamycoplasmal pneumonia, Mycoplasma mycoides, Mycoplasma pharyngis, Mycoplasma pneumoniae, Mycoplasmatales, mycorrhiza, mycosis, mycosis fungoides, mycostat, Mycostatin, Mycota Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for mycorrhizamycorrhiza mycorhiza/ (ˌmaɪkəˈraɪzə) / noun plural -zae (-ziː) or -zasan 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 relationshipSee ectotrophic mycorrhiza, endotrophic mycorrhiza Derived forms of mycorrhizamycorrhizal or mycorhizal, adjectiveWord Origin for mycorrhizaC19: from myco- + Greek rhiza root Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for mycorrhizamycorrhiza [ mī′kə-rī′zə ] The symbiotic association of the mycelium of a fungus with the roots of plants. The majority of vascular plants have mycorrhizae. The fungus assists in the absorption of minerals and water from the soil and defends the roots from other fungi and nematodes, while the plant provides carbohydrates to the fungus. There are two kinds of mycorrhizae: endomycorrhizae, in which the fungal hyphae enter the cells of the root cortex, and ectomycorrhizae, in which they surround the cells. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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