Linked from
The 9 pages that link to Citrus greening disease, each with the reason it gives.
CitrusRelated: The disease threatens citrus crops and shapes how the genus is cultivated.
RutaceaeRelated: The disease threatens major Rutaceae crops and has reshaped citrus-growing regions.
Citrus fruitRelated: Its spread threatens the orchards that supply many citrus fruits.
Bergamot orangeRelated: Like other citrus crops, bergamot cultivation faces risks from this disease.