Thinking Outside the Box With Satsumas

Josh McGillCold Hardy

Satsuma mandarins are big business in the Georgia and North Florida citrus industry. Satsumas are desirable from the consumer perspective, and the fruit’s cold hardiness is suited for the northern reaches of citrus production. Cold hardiness was proven to be especially important after freezes in late December and in January. But a problem with satsumas is that the fruit matures …

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Why There Is a Lack of HLB in Georgia

Josh McGillGeorgia, HLB Management

HLB has yet to become a major problem for Georgia’s citrus producers. Jonathan Oliver, University of Georgia assistant professor and small fruits pathologist, attributes the disease’s lack of presence in Georgia’s commercial groves to multiple factors. “It still comes down to the fact that, number one, you don’t see symptoms for a while. A lot of our trees are young,” …

Freeze’s Full Impact on Cold-Hardy Citrus Still Unknown

Josh McGillCold Hardy, freeze

Southeast citrus trees were undoubtedly impacted by multiple days of sub-freezing temperatures during Christmas week. An exact understanding of the impact will not be known for another couple of months, believes Jonathan Oliver, University of Georgia (UGA) assistant professor and small fruits pathologist. “The freeze was significant, but you never really know for sure until the plants start to flush …

Psyllids and HLB in Georgia Citrus

Josh McGillGeorgia, Psyllids

When commercial citrus acreage started migrating north some years ago, the big question was: To what extent would Asian citrus psyllids (ACP) and HLB migrate with the crop? With citrus getting well established in South Georgia, the pest and disease are there, but not yet at devastating levels like in Florida. Johnathan Oliver, an assistant professor of fruit pathology with …

Process Produces Safe, Fresh-Tasting Satsuma Juice

Josh McGillMandarins, Orange Juice, Technology

Fresh-tasting satsuma orange juice with a commercially feasible shelf life is the goal of University of Georgia (UGA) Food Product Innovation and Commercialization Center (FoodPIC) scientists and food technology company Food Physics. FoodPIC and Food Physics are working together to perfect a technique known as pulsed electric field technology (PEF). PEF uses short bursts of high voltage —15,000 volts per …

Greening and Canker Concerns for Georgia Growers

Josh McGillDiseases, Georgia

The recent Citrus Growers’ Summer Update in Valdosta, Georgia, provided growers another outlet to learn about two diseases — citrus greening and citrus canker — that could have serious ramifications on the industry’s future in Georgia. Jonathan Oliver, University of Georgia (UGA) assistant professor and small fruits pathologist, highlighted the seriousness of the discovery of both of the diseases in …