%0 Journal Article %A Mandryk, M %T Resistance of Solanaceous and non-Solanaceous species to Peronospora tabacina as shown by necrotrophic reactions %J Australian Journal of Experimental Agriculture %D 1971/02/01 %V 11 %N 48 %P 94-98 %K %R https://doi.org/10.1071/EA9710094 %U https://www.publish.csiro.au/paper/EA9710094 %X A necrotrophic reaction in leaf discs of a wide range of Nicotiana and other Solanaceous and non-Solanaceous species following infection by Peronospora tabacina Adam is described.With a few exceptions, species resistant to the pathogen developed water-soaking or gave no reaction, whereas susceptible species showed necroses affecting 60-100% of the leaf disc area. The degree if necrotrophic reaction is related to the resistance-susceptibility status of Nicotiana species, and it may be extended to detect susceptibility to the pathogen in Petunia, Capsicum, Lycopersicon, Hyoscyamus, Schizanthus, and other genera related ti Nicotiana.