Diseases
Root and Crown Rot
Phytophthora cinnamomi).
Damage
Patches of bushes in a field look weak, have small yellow leaves, and few blossoms or berries. Infection often occurs in low areas of the field with poor drainage. Roots are soft and brown, may lack feeder roots.
Disease cycle
This fungus-like organism thrives in warm, wet soils.
Photo reference
2 field photos
Select any photo to enlarge.