Consejo Superior de Investigaciones Científicas
UNIDAD ASOCIADA "SISTEMAS AGROFORESTALES": ESTACIÓN FITOPATOLÓXICA DO AREEIRO - MISIÓN BIOLÓGICA DE GALICIA
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Home » Publications » Papers » 2005

V Congreso de Ciencias Hortícolas, Porto 2005

4218


Efecto de Glomus aggregatum y del ciproconazol en la protección de Camellia japonica frente a Armillaria mellea.


Olga Aguín¹, J. Pedro Mansilla¹² , Pilar Vela¹, Pilar Piñón¹, Carmen Salinero¹ & María Jesús Sainz²

1 Estación Fitopatolóxica do Areeiro, Subida a la Robleda s/n, E-36153 Pontevedra, España. oaguin@efa-dip.org.
2 Departamento de Producción Vegetal, Universidad de Santiago de Compostela, E-27002 Lugo, España. mjsainz@lugo.usc.es.




Abstract :      Effect of Glomus aggregatum and cyproconazole on the protection of Camellia japonica against Armillaria mellea. Arbuscular mycorrhiza (AM) may play an important role on the protection of plants against soil-borne fungal diseases. In this work, a growth chamber experiment was carried out to study the effect of arbuscular mycorrhiza on the protection of camellia plants against A. mellea, alone or in interaction with cyproconazole application. Cuttings of three cultivars of C. japonica, 'Ciudad de Vigo', 'Imbricata Rubra' y 'Magali', and the hybrid Camellia x williamsii 'Mary Phoebe Taylor', were established in two rooting beds filled with peat:perlite. One of them was inoculated with the AM fungus Glomus aggregatum, and the other was not inoculated. After six months, well-rooted plants of each bed and camellia cultivar were transplanted to pots filled with peat under the following treatments: control, inoculation of A. mellea, application of cyproconazole, and the interaction A. mellea x cyproconazole. First symptoms of disease in shoots appeared in 'Imbricata Rubra' and 'Magali' plants, but after six months in a growth chamber, plants growing under any treatment with A. mellea were affected by the pathogen. However it could be noted that 'Imbricata Rubra' and 'Magali' plants previously rooted in the G. aggregatum-inoculated bed showed a lower incidence of the disease and a better shoot growth, with higher leaf number and biomass than plants not AM-inoculated



Keywords: biological control, fungicide, arbuscular mycorrhiza, white root rot.