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Genesis and function of defence structure of sclerotia of Grifola umbellata after Armillariella mellea infection



Genesis and function of defence structure of sclerotia of Grifola umbellata after Armillariella mellea infection



Acta Mycologica Sinica 12(4): 283-288



Infection by A. mellea induced the production of defence structures in G. umbellata, such as crystals in the sclerotium cells, the occurrence of thick-walled hyphae and plasmolysis in the hypodermal layer. A few thick-walled hyphae appeared in the sclerotia as the A. mellea rhizomorph adhered to the sclerotium epidermis, and these increased in number and became closely arranged to form the wall of the primary isolation cavity. The invader and part of the sclerotium were enclosed in the cavity.

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Accession: 002390099

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