Symptoms begin and dark or purple spots on leaves. The dark areas spread to stems, forming cankers. Stem streaking also may be noticed. Wilting symptoms gradually develop as the disease spreads. However, the leaf tissue is stiff, not limp. The most noticeable symptoms are yellow rings or spots on fruit. Fruit may be distorted. The disease is moved from plant to plant by western flower thrips.
- Affects
- Level of Concern
- Can be a serious problem
- What months
- Jun–Sep
- Treatment / Useful Links
The only way to manage the disease is to remove and destroy affected plants.