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Abstract:

Sixty-six fungi isolated from cyclamen phylloplanes were identified and assessed in vitro for antagonism to B. cinerea on leaves, petals, petioles and peduncles. The estimation of pathogen conidial production was used as indicator of biocontrol ability of each of the strains. They were classified by cluster analysis resulting in four categories according to their behavior in the different organs. The most promising category included 34 isolates that significantly reduced pathogen inoculum in all the organs. Correspondence analysis showed association among leaf isolations, strains of Clonostachys rosea and Penicillium spp. and the best biocontrol performance. The statistical analysis was successful in dealing with this complex set of experimental data. Leaf fungal diversity was higher than those of petals and petiols, with Shannon values of 2.7, 0.9 and 0.5 respectively. Evidence for antibiosis and hyperparasitism was found for C. rosea. © 2009 by The Mycological Society of America.

Registro:

Documento: Artículo
Título:Mycobiota from Cyclamen persicum and its interaction with Botrytis cinerea
Autor:Rivera, M.C.; Lopez, M.V.; Lopez, S.E.
Filiación:Facultad de Agronomía, Universidad de Buenos Aires, Avenida San Martin 4453, (1417) Buenos Aires, Argentina
Facultad de Ciencias Exactas y Naturales, Ciudad Universitaria, (1428), Buenos Aires, Argentina
PROPLAME-PRHIDEB-CONICET, Argentina
Palabras clave:Biocontrol; Clonostachys rosea; Gray mold; Phylloplane fungi; angiosperm; antagonism; biological control; biota; cluster analysis; estimation method; fungus; performance assessment; species diversity; statistical analysis; superparasitism; Bionectria ochroleuca; Botryotinia fuckeliana; Botrytis; Cyclamen; Cyclamen persicum; Fungi; Mycota; Penicillium; article; Botrytis; classification; Cyclamen; fungus; isolation and purification; microbiology; phylogeny; physiology; Botrytis; Cyclamen; Fungi; Phylogeny
Año:2009
Volumen:101
Número:2
Página de inicio:173
Página de fin:181
DOI: http://dx.doi.org/10.3852/08-122
Título revista:Mycologia
Título revista abreviado:Mycologia
ISSN:00275514
CODEN:MYCOA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00275514_v101_n2_p173_Rivera

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Citas:

---------- APA ----------
Rivera, M.C., Lopez, M.V. & Lopez, S.E. (2009) . Mycobiota from Cyclamen persicum and its interaction with Botrytis cinerea. Mycologia, 101(2), 173-181.
http://dx.doi.org/10.3852/08-122
---------- CHICAGO ----------
Rivera, M.C., Lopez, M.V., Lopez, S.E. "Mycobiota from Cyclamen persicum and its interaction with Botrytis cinerea" . Mycologia 101, no. 2 (2009) : 173-181.
http://dx.doi.org/10.3852/08-122
---------- MLA ----------
Rivera, M.C., Lopez, M.V., Lopez, S.E. "Mycobiota from Cyclamen persicum and its interaction with Botrytis cinerea" . Mycologia, vol. 101, no. 2, 2009, pp. 173-181.
http://dx.doi.org/10.3852/08-122
---------- VANCOUVER ----------
Rivera, M.C., Lopez, M.V., Lopez, S.E. Mycobiota from Cyclamen persicum and its interaction with Botrytis cinerea. Mycologia. 2009;101(2):173-181.
http://dx.doi.org/10.3852/08-122