Alternaria Rot of Citrus
Alternaria citri
mediumCitrusfungal
A fungal fruit rot that can develop internally with few external symptoms until the fruit is cut.
Symptoms
A firm, black core rot that may show little or no external symptom until the fruit is cut open.
Favorable conditions
- •Fruit stress, splitting, or delayed harvest
- •Warm storage conditions
Management
- 1Reduce fruit stress and splitting in the grove
- 2Harvest promptly at maturity
- 3Handle fruit carefully post-harvest and use appropriate fungicide treatments
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