| nectria | ||||||||||||||||||||||||||||||||||||||||
| navigate by keyword : acer black callus canker cherry concentric disease distinctive ditissima forest fungi hardwood identification maple nectria neonectria rings saccharum species sugar target tree trees wood horizontal image | ||||||||||||||||||||||||||||||||||||||||
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| Hoeizontal image of Nectria canker caused by Neonectria ditissima on a Sugar Maple Acer saccharum. Can affect many hardwood species. Has distinctive rings of concentric callus wood. | ||||||||||||||||||||||||||||||||||||||||
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