Russet scab

Russet scab

Bacteria, Actinomycete

Latin name : Streptomyces spp.

Russet scub-Beaulieu

Diagnostic characters for visual diagnosis

  • Shallow, brown, corky reticulations irregular in their pattern and not associated with root necrosis

Specific references:

Faucher et al (1993). Plant Disease, 77, 1217-20
Harrison MD (1962). American Potato Journal, 39, 368-387
Kreuze et al (1999). Phytopathology, 89, 462-9

Possible confusing symptoms :

Rhizoctonia corky lesions

Netted scab

Other superfiical symptoms

Modification date : 03 August 2023 | Publication date : 14 February 2013 | Redactor : K. Bouchek-Mechiche