Ключевые слова: affected, color, common, communis, cultural, disease, family, flora, foliage, fruit, fungus, gymnosporangium, host, intermediate, l, leaf, leaves, mushroom, mycelium, orange, parasite, pathogenic, pear, pink, plant, pucciniaceae, pyrus, red, rosaceae, rust, sabinae, sick, spots, stain, tree,