Diseases By Crop
(Fact Sheets)
Photo Gallery
News Articles/ Disease Alerts
Diagnostic Keys
Virus Weed Hosts/ Rotation Lists
Resistant Varieties
Glossary of Plant Pathology Terms
Vegetable Guidelines
Vegetable IPM Links
Other Vegetable Links
Cornell Plant Disease Clinic
Home

     

Bacterial Wilt on melon


Melon:CUCURBIT:Bacterial Wilt (Erwinia tracheiphila/cucumber beetles)
Photo courtesy of T.A. Zitter, Cornell University, Ithaca, NY

Root and lower stem feeding by cucumber beetle larvae.
Photo courtesy of M.P. Hoffmann, Cornell University


Bacteria continue to multiply, forming visible masses of ooze.
Photo courtesy of R.X. Latin, Purdue University


Wilting melon plant infected with Erwinia tracheiphila.
Photo courtesy of R.X. Latin, Purdue University

If "stringy" sap (bacterial growth and associated resins) extends between the cuts of freshly cut sections of a stem, the plant has bacterial wilt.
Photo courtesy of M.P. Hoffmann, Cornell University