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![Download a high-resolution (300dpi) digital image](https://webarchive.library.unt.edu/eot2008/20081105082725im_/http://www.ars.usda.gov/is/graphics/photos/downloadbutton.gif)
Image Number K8688-2 |
This lower leaf of Etrog citron, an indicator host, shows typical
symptoms of viroid infection-necrotic cells on the midvein and petiole, where
the leaf attaches to the stem.
Photo by Peggy Greb.
640 pixels wide: (k8688-2.jpg)
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Last Modified: 05/23/2006
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