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Related to sclerotium: sclerotia, Phytophthora infestans, conidia


a hard blackish mass formed by certain fungi, as ergot.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.


, pl.


(sklē-rō'shē-ŭm, -shē-ă),
1. In fungi, a variably sized resting body composed of a hardened mass of hyphae with or without host tissue, usually with a darkened rind, from which fruit bodies, stromata, conidiophores, or mycelia may develop.
2. The hardened resting condition of the plasmodium of Myxomycetes.
Farlex Partner Medical Dictionary © Farlex 2012


  1. a resting stage in many fungi. It takes the form of a ball of HYPHAE varying in size from a pinhead to a football, and usually has a hard, dark-coloured exterior coating. Fruiting bodies may be formed eventually from the sclerotium (either sexual or asexual) or a MYCELIUM may form. Normally the sclerotium does not contain spores.
  2. the firm resting condition of a myxomycete. see MYXOMYCOTA.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
References in periodicals archive ?
Preclinical toxicological evaluations of the sclerotium of Lignosus rhinocerus (Cooke), the Tiger Milk mushroom.
However, this crop is affected by the fungal disease known as Allium white rot, caused by Sclerotium cepivorum Berk (Couch and Kohn, 2000), which is considered the main fungus disease in several states of the country (Velasquez-Valle and Reveles-Hernandez, 2016) In the State of Guanajuato the losses may reach up to 100% (Perez-Moreno et al., 1998).
A method to induce and collect ascospores from Sclerotinia sclerotium of rapeseed in green house.
Southern blight caused by Sclerotium rolfsii Sacc, often called white mold is a serious and frequent soil-borne fungal disease of many vegetable crops including peas.
Sclerotium cepivorum Berk, [white rot; Sclerotiniacea, Helotiales (Xu el aL, 2010)] is a fungal pathogen that infects plants in the genus Allium.
To determine the number of sclerotium present in every plate of Apergillus flavus treated with different concentrations of vitamins, manual counting of the sclerotium was done.
Hasija, "Effect of inoculum on mycoherbicidal potential of Sclerotium rolfsii against Parthenium," Journal of Mycology and Plant Pathology, vol.
The antifungal activity of all the synthesized zirconium porphyrin complexes was tested at different concentrations against the pathogenic fungus Sclerotium rolfsii.
By comparing its DNA with known samples, she identified it as Sclerotium rolfsii.