See:
Raspberry (Rubus spp.) - Root Rot
Note: The disease has been found mostly on newer cultivars such as Black Diamond and Columbia Star but also on Kotata.
This 'Chester' blackberry had Phytophthora root rot.
OSU Plant Clinic image, 2010.
See:
Raspberry (Rubus spp.) - Root Rot
Note: The disease has been found mostly on newer cultivars such as Black Diamond and Columbia Star but also on Kotata.