Disease on crop
bacterialCrown Gall on highbush blueberry
Agrobacterium tumefaciens
Soil-borne bacterium that enters plants through wounds and induces tumor-like galls on roots, crown, and lower stems. Galls reduce vigor and shorten plant lifespan; on Rubus the disease is often fatal.
- Disease
- Crown Gall
- Pathogen type
- Bacterial
- Crop
- Highbush Blueberry
- Scientific name
- Agrobacterium tumefaciens
Crown Gall on highbush blueberry
Detailed guidance for this section is being prepared. Check back soon.
Symptoms on highbush blueberry
- ▸ Rough corky galls (1-4 inches) at or just below the soil line
- ▸ Galls on roots when plants are dug
- ▸ Stunted growth and reduced yield
- ▸ Premature decline on cane fruits and grafted fruit trees
IPM controls
- ✓ Source certified disease-free nursery stock (the single most important control)
- ✓ Avoid mechanical injury to roots and crown
- ✓ Galltrol-A biocontrol (Agrobacterium radiobacter K84) protects bare-root plants at planting
- ✓ Crop rotation away from infested ground for 3-5 years
- ✓ Remove and destroy infected plants; do not replant susceptible species in same hole
Other crops affected by crown gall
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