Induction of ‘cavity spot-like’ lesions on roots of Daucus carota by Pythium violae

Pythium violae was isolated from cavity spot lesions on carrot roots. Hyphae penetrated the periderm and the secondary phloem when culture disks were placed on healthy roots and symptoms similar to cavity spot were produced. The fungus was re-isolated from surface sterilized lesions for up to 11 day...

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Bibliographic Details
Published inTransactions of the British Mycological Society Vol. 84; no. 4; pp. 755 - 757
Main Authors Groom, M.R., Perry, D.A.
Format Journal Article
LanguageEnglish
Published London Cambridge University Press 1985
Subjects
Biological and medical sciences
Daucus carota
Fundamental and applied biological sciences. Psychology
Fungal plant pathogens
Pathology, epidemiology, host-fungus relationships. Damages, economic importance
Phytopathology. Animal pests. Plant and forest protection
Pythium
roots
wounds and injuries
Infection
Daucus carota
Mycosis
Vegetable crop
Etiology
Dicotyledones
Angiospermae
Spermatophyta
Umbelliferae
Thallophyta
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Summary:Pythium violae was isolated from cavity spot lesions on carrot roots. Hyphae penetrated the periderm and the secondary phloem when culture disks were placed on healthy roots and symptoms similar to cavity spot were produced. The fungus was re-isolated from surface sterilized lesions for up to 11 days after inoculation but not thereafter.
ISSN:0007-1536
DOI:10.1016/S0007-1536(85)80140-6