Turkish Journal of Botany

The Morphological and Cultural Signs of the Vascular Mycosis Agents of Forest Tree Types in Azerbaijan




The most dangerous disease for all species of woody plants is vascular mycosis, caused by fungi which belong to various systematic groups - Ascomycotina and Deuteromycotina, in contemporary conditions of forestry intensification. The vascular mycosis of oak, elm and chestnut has spread in Azerbaijan. Some agents of the disease are Ceratocystis roboris (Georg. et Teod.) Potl., Ceratocystis ulmi (Buism.) C. Moreau and Ceratocystis castaneae (Vanin et Solov.) C. Moreau . The morphological- cultural, biological characteristics and of these agents were studied on pure cultures of grown beer-wort agar, water-extract agar of living branches of the feeding plants, Czapek's agar and a pure agar medium. Four types of conidial stage apart from the teleomorphic stage were noticed in the development cycle of C. roboris and C. ulmi. These were Hyalondendron, Rhinotrichum, Cephalosporium and Graphium. conidial sporulation can develop depending on the culture media, but both Hyalodendron and Graphium always develop, at first Hyalodendron, then Graphium. C. castaneae forms only at the Cephalosporium conidial stage .


Fungi, Ceratocystis, Vascular mycosis, teleomorph, anamorph.

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