Apples. Apple diseases: A, Fruit spot on Grimes golden, B, Storage scab on Rome beauty, C, Flyspeck and sooty blotch on Arkansas (mammoth black twig), D, Scab as developed on Rome beauty on tree, E, Sooty blotch on Arkansas (mammoth black twig), F, Powdery mildew on Esopus Spitzenburg; [poster].