Disease Information
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On June 14th, 2022, the Georgia Department of Agriculture (GDA) announced that citrus canker has been confirmed within a commercial citrus grove in Decatur County, Georgia. This bacterial disease, which is subject to USDA-APHIS quarantine regulations, is widespread within Florida, and has also been found previously in Louisiana (2014), Texas (2016), Alabama (2021), and in…
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Good news for Georgia citrus growers! After being forced to suspend our citrus greening testing of Georgia citrus samples back in March due to COVID-19, we are now able to restart this testing as of September 1st, 2020. In addition, we can now test samples for Citrus Canker as well as Citrus Greening, due to…
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Citrus canker has been confirmed within a commercial citrus grove in Bulloch County, Georgia – the second county in Georgia where citrus canker has been identified during 2022. This bacterial disease, which is subject to USDA-APHIS quarantine regulations, is widespread within Florida, and has also been found previously in Louisiana (2014), Texas (2016), Alabama (2021), a South…
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Citrus canker (a bacterial disease of citrus) was identified in Alabama in 2021. Now it has been found in a nursery in South Carolina also. Citrus canker is found throughout Florida and in limited areas of Louisiana and Texas. Accordingly, residential and commercial citrus growers in Georgia should be on the lookout for citrus canker,…
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Due to recent personnel changes within the UGA Plant Molecular Diagnostic Laboratory, we’ve had to make changes to the protocol for submission of citrus samples for viral and bacterial testing. Bulk samples mailed to the laboratory for routine testing for the bacterial diseases citrus greening (HLB) and citrus canker cannot be received at this time…
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As part of our 2021 disease survey efforts, we will begin accepting samples from within Georgia for free citrus greening and citrus canker testing on March 1st. Sample testing will be carried out by the UGA Plant Molecular Diagnostic Laboratory in Tifton, GA. Here’s the original announcement regarding this testing program: My citrus pathology extension program was…
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By: Emran Ali, Tammy Stackhouse, Sumyya Waliullah, Jean Williams-Woodward, and Jonathan E. Oliver Is one of the world’s smallest pathogens harming your citrus plants? Citrus production within the state of Georgia (USA) is rapidly increasing each year. There are citrus plantings in backyards, production, and plant nurseries within at least 32 GA counties. The growth…
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Unfortunately, due to the current COVID-19 precautions, the Plant Molecular Diagnostic Laboratory in Tifton will not be able to receive samples for citrus greening testing at this time. We will update you as soon as samples can be received again. Again, please do not send or bring in samples at this time for testing.
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Good news for Georgia citrus growers! My citrus pathology extension program was awarded a grant from the 2019 USDA/AMS Specialty Crop Block Grant Program to conduct a “Statewide survey of citrus greening caused by Candidatus liberibacter asiaticus” in 2020 and 2021. This means that each year, UGA Cooperative Extension Personnel can now accept a limited…
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Survey Information: In Spring 2019, a team of UGA extension specialists and agents initiated a survey of select residential and commercial citrus sites in southern and coastal Georgia to investigate the prevalence of Candidatus liberibacter asiaticus (CLas), the bacterium that causes citrus greening disease. Citrus leaf samples were collected during May through August 2019 and…
Posted in: Disease Information