This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Black Shank on Tobacco Stem. en This image was taken with permission from the APS website The picture portrays the segmenting pith symptom of Black Shank on tobacco Gallup Sullivan and Shew Black Shank of Tobacco The Plant Health Instructor DOI Gallup Sullivan Shew other versions cczero Black Shank Tobacco Oomycetes