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Image Subject Name Scientific Name Description
5406041 Thousand Cankers Disease Geosmithia morbida Salvaged wlanut log from tree killed by thousand cankers stored in backyard.Associated with walnut twig beetle.
5406042 Thousand Cankers Disease Geosmithia morbida Training session to identify symptoms of thousand cankers.Assocaited with walnut twig beetle.
5406043 Thousand Cankers Disease Geosmithia morbida Training session to identify symptoms of thousand cankers. Associated with walnut twig beetle.
1455146 Dutch elm disease Ophiostoma ulmi Girdling cut made upon detection to prevent root graft transmission

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