Disease on crop
bacterialCitrus Greening (HLB) on orange
Candidatus Liberibacter asiaticus
Devastating bacterial disease vectored by the Asian citrus psyllid. Once infected, trees decline progressively over several years and there is no cure. Has destroyed commercial citrus across Florida and threatens production worldwide.
- Disease
- Citrus Greening (HLB)
- Pathogen type
- Bacterial
- Crop
- Orange
- Scientific name
- Candidatus Liberibacter asiaticus
Citrus Greening (HLB) on orange
Detailed guidance for this section is being prepared. Check back soon.
Symptoms on orange
- ▸ blotchy mottled yellowing of leaves that does not match nutrient deficiency patterns
- ▸ lopsided bitter green-tipped fruit
- ▸ premature fruit drop
- ▸ twig dieback
IPM controls
- ✓ Buy only certified disease-free nursery stock
- ✓ Control Asian citrus psyllid populations aggressively with monitoring and approved insecticides
- ✓ Remove and destroy infected trees immediately to limit spread
- ✓ Reflective mulches deter psyllids on young trees
Other crops affected by citrus greening (hlb)
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