Growers Get Update on Federal Relief Programs at Expo

Josh McGillCitrus Expo, Legislative

Matt Joyner, executive vice president and chief executive officer of Florida Citrus Mutual (FCM), reported that a group of Florida citrus growers spoke to U.S. Department of Agriculture (USDA) Farm Service Agency representatives about federal relief programs at the recent Citrus & Specialty Crop Expo. The Expo was held this year at the Florida State Fairgrounds in Tampa. “This year’s …

Doubling Down on CRISPR Research

Josh McGillBreeding

By Michael E. Rogers We have all been waiting (and waiting some more) for new varieties to be developed that are resistant to HLB. Ten years ago, researchers thought they were really close to having new HLB-resistant varieties developed using gene-editing CRISPR technology. But as science goes, the story was much more complicated than first believed. A single edit to …

Brazilian Psyllid Increase Poses Extreme Risk

Josh McGillBrazil, HLB Management, Psyllids

Brazil’s primary citrus region recorded a significant increase in the average number of HLB-spreading psyllids captured in the first half of August compared to the previous fortnight and the same period of 2022. In the citrus belt of São Paulo and Triângulo/Sudoeste Mineiro, there was an average growth of 80.4% in the capture of psyllids in the last fortnight compared …

Yellow-Legged Hornet Poses Threat to Pollinators

Josh McGillGeorgia, Pests

A yellow-legged hornet (Vespa velutina), which poses a threat to honeybees and other pollinators, was recently detected near Savannah, Georgia. This is the first time a live specimen of this species has been detected in the United States. Its presence was confirmed by the Georgia Department of Agriculture (GDA), in coordination with the U.S. Department of Agriculture Animal and Plant …

Changing Weather Patterns for Georgia Groves

Josh McGillWeather

Pam Knox told Georgia growers at an August citrus meeting that their groves experience warmer temperatures on average than they would have six decades ago. “Since about 1960, annual temperature (in Georgia) has risen about 2.5 degrees Fahrenheit,” she said. Knox is the University of Georgia (UGA) Weather Network director and agricultural climatologist. According to Knox, the growing season increases …

Less Global Orange Production

Josh McGillCrop Forecast, International

Global orange production for 2022-23 is estimated by the U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) at 47.8 million metric tons (MMT), 5% less than the prior year. Lower production in the European Union, Turkey and the United States is only partially offset by a larger crop in Egypt. U.S. production is estimated to drop by over a …

Connecting Research for Better HLB Management Results

Josh McGillHLB Management, Research, Tip of the Week

By Megan Dewdney To make informed management decisions, growers need to know about and understand the findings from huanglongbing (HLB) research that are currently available. However, the delivery of research results to growers is often fragmented, and results can be difficult to find. Furthermore, what information and conclusions are available to growers from projects or scientific journals can be highly …

NOAA Increases Hurricane Activity Forecast

Josh McGillhurricane, Weather

Earlier this month, National Oceanic and Atmospheric Administration (NOAA) forecasters increased their prediction for the 2023 Atlantic hurricane season from a near-normal level of activity to an above-normal level of activity. They believe that current ocean and atmospheric conditions, such as record-level warm Atlantic sea surface temperatures, are likely to counterbalance the usually limiting atmospheric conditions associated with the ongoing …

Orange Juice Shortages and Staggering Prices

Josh McGillEconomics, Orange Juice

By Marisa L. Zansler The orange juice (OJ) category has experienced turbulence over the past four years, characterized by volatility in prices, sales and distribution. Initially, the category declined in volume sales amid a saturated beverage market, with numerous options vying for consumers’ attention. However, the pandemic in early 2020 revitalized consumer interest, positioning OJ as a convenient and healthy …

Alert Issued for Leprosis in Brazil

Josh McGillBrazil, Diseases

Brazil’s Fundecitrus is alerting citrus growers to take extra measures against leprosis during the current critical period for disease occurrence, May to September. At this time, fruit are in development, and the lack of rain favors outbreaks of the leprosis-transmitting mite. Leprosis is an important disease of Brazilian citrus that in recent years has caused significant damage to orange groves. …

Trunk Injection Research Projects Summarized

Josh McGillCRDF, HLB Management

The Citrus Research and Development Foundation (CRDF) recently issued a report describing some of its projects testing the injection of oxytetracycline (OTC) into trees as an HLB treatment. 1. Lukasz Stelinski and Kirsten Pelz-Stelinski, both of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), are measuring the impact of OTC injection on the Asian citrus psyllid (ACP) …

South African Grapefruit Production Up

Josh McGillCrop Forecast, Grapefruit, International

South African grapefruit production is forecast at 420,000 metric tons (MT) for 2022–23 by the U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS). That’s up slightly from prior-year grapefruit production of 416,000 MT. ACREAGE AND VARIETIESSouth Africa’s planted grapefruit area has grown by 18% over the past seven years, mainly driven by a surge in global demand, especially in …

International Flavor Summit Returns in March

Josh McGillEvents, International

The third International Flavor Summit will take place on March 4–6, 2024, in Orlando, Florida. The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center (CREC) and the UF Center for Smell and Taste will once again co-host the event. The conference will be held at the Holiday Inn Lake Buena Vista within walking …

Stelinski Elected Entomological Society Fellow

Josh McGillAwards

Lukasz Stelinski, a University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) entomology professor, has been elected a fellow of the Entomological Society of America (ESA) for 2023. He is one of six recognized for outstanding contributions to entomology via research, teaching, Extension, administration, military service or public engagement and science policy. Stelinski works at the UF/IFAS Citrus Research …

Alico Discusses Trunk Injection and Next Season

Josh McGillHLB Management

Alico, Inc. began treating citrus trees in January 2023 with an oxytetracycline (OTC) product via trunk injection as a citrus greening therapy. “Through June 30, 2023, we have treated over 35% of our trees with OTC, which is expected to mitigate some of the impacts of citrus greening and is expected to decrease the rate of fruit drop, as well …

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Freeze to Cut Orange Production in Turkey

Josh McGillCrop Forecast, freeze, International

Turkey is forecast to produce 1.32 million metric tons (MMT) of fresh oranges in 2022–23, down from 1.75 MMT in 2021–22. The decrease is due to freezing weather conditions during the orange-blossoming period in March 2022. The U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) issued the updated forecast. The yield decrease in 2022–23 was heaviest in the Washington …

Efforts Continue to Obtain Federal Funding for Hurricane Relief

Josh McGillfinancial, hurricane

Florida Citrus Mutual (FCM) reported that Congress was expected to receive a supplemental funding request from the White House Office of Management and Budget (OMB) in early August. “We worked with Congresswoman Debbie Wasserman Schultz to craft a letter urging (OMB) Director Shalanda Young to include relief for Florida’s farmers in their (OMB) request,” FCM Executive Vice President/Chief Executive Officer …

South Africa Mandarin Production to Grow

Josh McGillCrop Forecast, International, Mandarins

Tangerine/mandarin production in South Africa is forecast by the U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) to grow by 6% in 2022–23 to 680,000 metric tons (MT). There is a growing trend to establish new orchards under netting, which has improved water efficiency, yields and the overall quality of mandarins in South Africa. INCREASED PLANTINGSThe South African tangerine/mandarin …

Return-on-Investment Potential of CUPS

Josh McGillCUPS, Economics, HLB Management

By Ariel Singerman and Arnold W. Schumann To exclude the Asian citrus psyllid (ACP, Diaphorina citri) vector of huanglongbing (HLB) and thereby produce disease-free healthy fruit, fresh citrus can be grown under protective screen structures. The expected economic benefit from adopting citrus under protective screen (CUPS) and excluding the ACP is increased yield and quality of fruit, which in turn, are …

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Psyllids Reach Historically High Levels in Brazil

Josh McGillBrazil, HLB Management, Psyllids

Populations of Asian citrus psyllids in the Brazilian states of São Paulo and Minas Gerais have hit historically high levels, Fundecitrus recently reported. Fundecitrus described the development as “alarming” because the psyllids spread citrus greening disease.  Reversing the situation requires immediate and joint action among citrus growers in the same micro-region, Fundecitrus stated. It reported that in the first half …