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Aster Yellows Phytoplasma

Yellow summer squash showing yellowed, mis-shapened leaves, greenish fruit and stunted plant habit following infection with Aster Yellows Phytoplasma.

Photo courtesy of T.A. Zitter, Cornell University, Ithaca, NY

Link to the Factsheet on Cucurbit Viruses

Link to Photo Gallery of Cucurbit Viruses