See:
Raspberry (Rubus spp.) - Spur Blight
Note Out of dozens of blackberry samples there has only been one that was diagnosed with spur blight by the OSU Plant Clinic.
The disease can spread along canes causing young canes to turn brown and then gray in winter.
See:
Raspberry (Rubus spp.) - Spur Blight
Note Out of dozens of blackberry samples there has only been one that was diagnosed with spur blight by the OSU Plant Clinic.