Fungi threatening the cultivation of sage (Salvia officinalis L.) in south-eastern Poland



In 2004–2006 there were studies conducted on fungi colonizing and harming different parts of plants on plantations of sage (Salvia officinalis L.) grouped in south-eastern Poland. Fungi were isolated from roots, the stem base and leaves. The surface was disinfected by means of a mineral medium. Fungi from genera Fusarium, Rhizoctonia solani, Phoma exigua var. exigua were isolated from roots and the lower parts of stems with the symptoms of necrosis and tissue disintegration. The species Phomopsis sclarea, which had not been observed earlier in Poland, was obtained from the stems with the symptoms of necrosis, peeling off and bark breaking. Altenaria alternata was commonly isolated from the leaves with necrotic symptoms.
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