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Abstract:

Differences in species composition, infection frequencies and fungal colonization were compared in asymptomatic leaves and culms of one annual and three perennial Juncus species in western Oregon. Stagonospora innumerosa was the principal fungus species isolated from culms of the annual, J. bufonius, and two of the perennial, J. effusus and J. patens, host species; Phaeosphaeria juncicola and Drechslera sp. were isolated from leaves of J. bolanderi. Characteristic mechanisms of penetration and colonization corresponding to individual endophyte species were observed in host tissue. Infections limited to a single host epidermal cell were characteristic of S. innumerosa, Drechslera sp. and an unidentified endophyte of J. bufonius. Infections by P. junicola originate in the substomatal cavity followed by limited intercellular colonization of the mesophyll. Cladosporium cladosporioides and Alternaria alternata were isolated at low frequencies from J. effusus, J. patens and J. bolanderi. Infections by C. cladosporioides were restricted to the substomatal chambers, and this species did not colonize internal leaf tissue. Infections of A. alternata were also localized in the substomatal chamber, frequently with an intercellular colonization of the mesophyll tissue. © 1993, British Mycological Society. All rights reserved.

Registro:

Documento: Artículo
Título:The internal mycobiota of Juncus spp.: microscopic and cultural observations of infection patterns
Autor:Cabral, D.; Stone, J.K.; Carroll, G.C.
Filiación:Departamento de Ciencias Biologicas, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
Department of Botany and Plant Pathology, Oregon State University, Corvallis, Oregon, 97331-2902, United States
Department of Biology, University of Oregon, Eugene, Oregon, 97403, United States
Año:1993
Volumen:97
Número:3
Página de inicio:367
Página de fin:376
DOI: http://dx.doi.org/10.1016/S0953-7562(09)81140-4
Título revista:Mycological Research
Título revista abreviado:Mycol. Res.
ISSN:09537562
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09537562_v97_n3_p367_Cabral

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Citas:

---------- APA ----------
Cabral, D., Stone, J.K. & Carroll, G.C. (1993) . The internal mycobiota of Juncus spp.: microscopic and cultural observations of infection patterns. Mycological Research, 97(3), 367-376.
http://dx.doi.org/10.1016/S0953-7562(09)81140-4
---------- CHICAGO ----------
Cabral, D., Stone, J.K., Carroll, G.C. "The internal mycobiota of Juncus spp.: microscopic and cultural observations of infection patterns" . Mycological Research 97, no. 3 (1993) : 367-376.
http://dx.doi.org/10.1016/S0953-7562(09)81140-4
---------- MLA ----------
Cabral, D., Stone, J.K., Carroll, G.C. "The internal mycobiota of Juncus spp.: microscopic and cultural observations of infection patterns" . Mycological Research, vol. 97, no. 3, 1993, pp. 367-376.
http://dx.doi.org/10.1016/S0953-7562(09)81140-4
---------- VANCOUVER ----------
Cabral, D., Stone, J.K., Carroll, G.C. The internal mycobiota of Juncus spp.: microscopic and cultural observations of infection patterns. Mycol. Res. 1993;97(3):367-376.
http://dx.doi.org/10.1016/S0953-7562(09)81140-4