Common Scab

Common scab is an unsightly blemish disease of potatoes that can be especially problematic where irrigation is not available

Read research reports on the management of common scab

Common scab is mainly caused  by Streptomyces scabiei. The disease can affect any crop where tubers experience a dry surface during the critical stage of 3-6 weeks after tuber initiation.  The disease has little effect on storability and does not develop in store.