The biosynthesis of the phytotoxins solanapyrone A , B and C produced by the phytopathogenic fungus Ascochyta rabiei has been investigated. To optimize feeding conditons for the tracer experiments the growth of the fungus and the accumulation of the toxins in submers culture were determined. The accumulation kinetics revealed that formation of the toxins occurs in the stationary phase of the gr...

Among the biotic factors that limit plant growth, population size, and reproduction, there is a mass appearance of microscopic parasitic fungi. The aim study was to determine spectrum microfungi degree leaf surface infection in ragwort <i>Senecio umbrosus</i>, i.e., one Polish red data book species. In 2014–2016, studies on diversity dynamics were carried out within its White Mt, so...

Cell suspension cultures of two chickpea (Cicer arietinum L.) cultivars, resistant and susceptible towards the chickpea pathogen Ascochyta rabiei, were compared with regard to elicitor-induced changes in phytoalexin and isoflavone accumulation. The elicitor was isolated from fermentergrown mycelium of A. rabiei and it mainly consisted of glucose, mannose and N-acetylgalactosamin. Time course an...

A 12-yr study of fungi associated with Cannabis has revealed that many taxa cited in the Cannabis literature are based on misdeterminations or synonyms of species with wide host ranges (McPartland, 1992, 1994b, 1995b). New species have been discovered – Phomopsis ganjae (McPartland, 1983), Schiffnerula cannabis (McPartland&Hughes, 1994a), Fusicoccum marconii, Leptodothiorella marconii (McPartla...