Virus Diseases Mosaic Virus Blackberries are not susceptible. Black and purple raspberries are more severely affected than red raspberries. Of the purple or black raspberries, 'New Logan,' 'Bristol,' and 'Black Hawk' are tolerant and 'Cumberland' is susceptible. The red raspberries 'Milton,' 'September,' 'Canby,' and 'Indian Summer' are resistant because the aphid vectors of the virus avoid them. Leaf Curl Virus Blackberries are symptomless.
All raspberries are susceptible.
Tomato Ringspot Virus Red raspberries and blackberries are susceptible. Raspberry Streak Black and purple raspberries are susceptible.