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PlantVillage Disease Library

Browse the complete PlantVillage dataset catalog of 38 classes. Read expert pathogen descriptions, analyze symptoms, and find care or prevention treatments.

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Orange 🔴 Diseased

Citrus Greening (HLB)

Citrus Greening, also known as Huanglongbing (HLB), is caused by the bacterium Candidatus Liberibacter asiaticus. It is transmitted by the Asian citrus psyllid insect and has devastated orange groves worldwide.

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