Final diagnosis


Streptomyces spp. (Common and netted scab)

Deep-pitted lesions <i><b>Streptomyces</i> spp.</b>
shallow-pitted corky lesions. <i><b>Streptomyces</i> spp.</b>
Star-like corky lesion<i><b>Streptomyces</i> spp.</b>
Superficial polygonal corky lesions (or spots) <i><b>Streptomyces</i> spp.</b>
Superficial polygonal corky lesions (or spots) <i><b>Streptomyces</i> spp.</b>
Necrosis at the stem base (variety Bintje) <i><b>Streptomyces</i> spp.</b>
Brown necrosis on roots. <i><b>Streptomyces</i> spp.</b>