Silver Scurf

Helminthosporium solani

Silver scurf is a plant disease that is caused by the plant pathogen Helminthosporium solani. This pathogen is a fungus which is specific to infecting only potato tubers. Silver scurf is a blemish disease, meaning the effect it has on tubers is mostly cosmetic and affects “fresh market, processing and seed tuber potatoes.There are some reports of it affecting development, meaning growth and tuber yield. This is caused by light brown lesions, which in turn change the permeability of tuber skin and then it causes tuber shrinkage and water loss, which finally causes weight loss. The disease has become economically important because silver scurf affected potatoes for processing and direct consumption have been rejected by the industry.

Plant Protection Products