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Infected insects may warn of impending citrus disease a year in advance


by American Phytopathological Society
Citrus greening disease (Huanglongbing of HLB), transmitted by the Asian citrus psyllid, is currently the biggest threat to the citrus industry and is threat to many parts of the world, including Asia, Africa, South America, and the Unites States. In Florida alone, citrus greening disease has accounted for losses of several billions of U.S. dollars.

Despite HLB's widespread prevalence, factors influencing the epidemic are poorly understood because most research has been conducted after the pathogen has been introduced. In an attempt to change this, several Texas-based scientists surveyed commercial and residential citrus trees from 2007 to 2017 and monitored the time-course variations in the proportion of citrus trees and the Asian citrus psyllid (ACP).


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