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Canadian Forest Service (CFS)
Diseases & Insects in B.C. Forest Seedling Nurseries
Introduction
How to Use This Site
Species by Common Name
Species by Scientific Name
Diseases & insects by Host
Diseases by Signs & Symptoms
Needle Problems
Shoot Problems
Root Problems
Seed–borne Diseases
Foliage Discoloration
Additional Signs
Problem Diagnosis
Diseases Enhanced by Nursery Conditions
Glossary
Acknowlegments
Proactive Disclosure
Proactive Disclosure
HForest
Root Problems
dead primary root
root system is dead
stele is discoloured
stunted primary root
root system is rotten
root system is stunted
root system is swollen
root system is deformed
club-tipped primary root
root system is discoloured
only a few deformed lateral root
root bark and cortex easily stripped
root system lacks actively growing white tips