Other species of fungi can enter wounded areas of the Sugar Maples' bark and cause cankers to occur....On Sabouraud's dextrose agar at 25C, colonies are initially moist and glabrous, but rapidly become...Fig.2 Survival curves of Aureobasidium sp. B12 in 0.067 M phosphate buffer under air-equilibrium...Fig. 4. Alternaria alternata , septated spore. 5. Hazelnut samples .