Septoria on winter squash leaves
Under moist conditions, whitish lesions ofSeptoria cucurbitacearum
may be mixed with larger brown water-soaked lesions, givingthe appearance
of another disease.
White colored spots on a butternut leaf (Cucurbita moschata) and raised, rashlike spots on fruit caused by Septoria cucurbitacearum.
Photo courtesy of T.A. Zitter, Cornell University, Ithaca, NY