Bacterial Wilt of Cucurbits:
"Signature Symptoms on Pumpkins"
chlorosis andthen necrosis on pumpkin leaves (both photos) following systemic
infection with Erwinia tracheiphila, the cause of bacterial wilt.
Photos courtesy of T.A. Zitter, Cornell University,
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Link to the
Bacterial Wilt of Cucurbits "Signature Symptoms" Factsheet