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Kangaroo paw (Anigozanthos spp.): Ink disease
Several foliar diseases of kangaroo paws are serious enough to make the plants unsellable, but the major foliar disease is ink disease or ink spot. Ink disease may be caused by Alternaria alternata which is a fungal pathogen that has been identified on kangaroo paws plants with ink disease symptoms . The symptoms of ink disease are large black blotches on the leaves.