Diseases of medicinal and spice plants cultivated in Kaunas botanical garden of Vytautas Magnus university in spring seasons

Abstract

The results of medicinal and spice plants diseases detected in Medicinal plants sector collec­ tions and expositions in Kaunas Botanical Garden of Vytautas Magnus University in 2006–2012 spring seasons are presented. The most dangerous infectious diseases were rust, leaves spots and rot. every year at the beginning of vegetation it is possible to notice spots on last year leaves on some perennial plants (Bergenia crassifolia, Hedera helix, Oenothera biennis, Primula veris). The first development stages of some rust agent also damages medicinal plants (Alium spp., Sanguisorba minor, Viola spp.). Peonies (Paeonia anomala, P. officinalis) are resistantless to Botryris rot. 10 genera and 8 species were damaged by pathogenic fungi. During spring season less diseases are detected compared with summer seasons when diseases become more abundant.