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Cedar-apple rust galls at dormancy in winter, early telial horn emergence, and full telial horn emergence in the Spring.
Cedar-quince or cedar-hawthorn rust gall at a very young stage and an older gall with telial horn emergence.
Twig blight by either Phomopsis or Kabatina . Microscopic examination of the fruiting structures and spores is required to determine which fungus is involved. Phomoposis produces two spore types in a pycnidium while Kabatina forms one type of spore in an ascervulus.
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