Dr. Phyto

raspberry cane blight

Didymella applanata

raspberry cane blight — Didymella applanata
raspberry cane blight · Jerzy Opioła (CC BY-SA 4.0)

Symptoms

Purple-brown blotches around nodes on primocanes in summer, lesions enlarge + girdle the cane, leaves above lesion wilt + die back, brittle dry canes following spring.

Plants affected

Treatment

Dr. Phyto builds a dated, step-by-step treatment plan with country-approved products — start a free diagnosis to get yours.

Common questions

How do I recognise raspberry cane blight on raspberry?
Purple-brown blotches around nodes on primocanes in summer, lesions enlarge + girdle the cane, leaves above lesion wilt + die back, brittle dry canes following spring.
Do I have to report raspberry cane blight?
No. raspberry cane blight is not a notifiable organism, so there is nothing to report to an authority. Treat it as a normal garden problem.
How is raspberry cane blight treated?
Mainly with biological and cultural measures — removing affected material, changing the conditions that favour it, and treating with agents approved in your country. The exact steps and their timing depend on the plant, the season and where you live: Dr. Phyto works them out in a free diagnosis.
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