Scab on pumpkin/gourd:leaves
lesion on pumpkin (C. Pepo). Developing fruit within this thick
canopy showed early scab lesions.
lesions initially appear water-soaked and brown with a yellow halo surrounding
the lesion. Lesions eventually crack, producing a "shot-holed" appearance
not unlike bacterial angular leaf spot.
Distinctive scab lesions on a pumpkin leaf. This level of infection can lead to serious fruit infection and unmarketableproduce. Photo courtesy of T.A. Zitter, Cornell University, Ithaca, NY
Scab infection of pumpkin (C. pepo). Lesions have heavy sporulation but are lacking the presence of the yellow halo.Photo courtesy of T.A. Zitter, Cornell University, Ithaca, NY