Tag Archives: plant pathogens

393-396 A. Stankevičienė and J. Varkulevičienė
Pathogenic micromycete species functioning in the rhizosphere of sick pot-plants growing in peat substrate
Abstract |

Pathogenic micromycete species functioning in the rhizosphere of sick pot-plants growing in peat substrate

A. Stankevičienė and J. Varkulevičienė

Kaunas Botanical Garden of Vytautas Magnus University, Ž. E. Žilibero 6, LT 46324,Kaunas, Lithuania; e-mail: a.stankeviciene@bs.vdu.lt

Abstract:

During 1994–2005 investigations were carried out on 53 taxa of ornamental pot-plants belonging to 26 cultivars, 48 species, 35 genera, and 15 families. From the rhizosphere of 43% plants kept under unfavourable growth conditions plant pathogens were isolated from the following genera: Fusarium (8 species), Pythium (6 species), Verticillium (5) and Sclerotinia sclerotiorum, Thielaviopsis basicola, Rhizoctonia solani. Simultaneously on each sick plant rhizosphere there functioned several species of pathogenic micromycetes: from Aechmea fasciata – Fusarium equiseti, F. oxysporum and Pythium irregulare; from Dieffenbachia seguine – Fusarium oxysporum, Pythium aristosporum, P. debaryanum, from Dracaena fragrans – Fusarium oxysporum and Pythium.irregulare; from Dracaena marginata – Fusarium oxysporum and Pythium flavoense; from Alocasia x amazonica – Fusarium oxysporum and Verticillium nubilum.

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