California Researchers Seek HLB Tolerance

Tacy Callies California Corner, HLB Management, Research

University of California, Riverside (UCR) has received three federal grants totaling more than $11 million for research focused on instilling HLB-tolerance in citrus trees. The grants are from the U.S. Department of Agriculture’s (USDA) National Institute of Food and Agriculture (NIFA). The funding was enabled by the 2018 Agricultural Improvement Act, which authorized the Emergency Citrus Disease Research and Development …

Steam Aids Herbicide in Goat Weed Control

Tacy Callies weeds

Using steam and a low dose of herbicide helped control goat weed in citrus better than a higher dose of herbicide, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers found. Goat weed, which poses major challenges for citrus, is found throughout the Southeast — from Texas, east to South Carolina and south to Florida. “It produces many …

Research Team Aims for HLB Resistance/Tolerance

Tacy Callies HLB Management, Research

A team led by Clemson University is receiving a second multimillion-dollar federal grant to continue research into HLB. Feng Luo, the Marvin J. Pinson, Jr. ’46 Distinguished Professor in the School of Computing, is the principal investigator. The project is funded with $4.1 million from the U.S. Department of Agriculture’s National Institute of Food and Agriculture (USDA NIFA). Co-principal investigators …

California Leads U.S. Grapefruit Production

Tacy Callies Grapefruit, Production

For the third season in a row, California led the nation in grapefruit production again in 2022–23. Over the past decade, the title of top grapefruit-producing state has alternated between Florida, California and Texas. But the Florida citrus industry continues to decline, and Texas grapefruit producers experienced a major setback in February 2021 with Winter Storm Uri. California produced 160,000 …

citrus forecast

Improvements to Florida Citrus Forecast

Daniel Cooper Crop Forecast, Florida

In the Dec. 8 citrus forecast from the U.S. Department of Agriculture’s National Agricultural Statistics Service (USDA NASS), Florida’s grapefruit and tangerine/tangelo production estimates increased. The all-grapefruit forecast for Florida leaped 26% compared to the season’s initial forecast in October. The state’s tangerine and tangelo forecast climbed 10%. All other variety forecasts in the citrus-producing states — Arizona, California, Florida …

fresh

U.S. Fresh Oranges Up; OJ Down in 2022–23

Daniel Cooper Fresh, Orange Juice, Production

The fresh-market orange crop in the United States rose 2% in 2022–23 compared to the prior year, to 1.44 million tons, the U.S. Department of Agriculture’s Economic Research Service reported this fall. The increase was due to larger navel orange and early/midseason crops in California and Texas. FRESH FRUIT PRICES FALL With increased supply, grower prices for fresh oranges were …

citrus production

U.S. Citrus Production in 2022–23: Winners and Losers

Daniel Cooper Production

The U.S. Department of Agriculture National Agricultural Statistics Service’s (USDA/NASS) final estimates for the 2022–23 season show U.S. citrus production reaching 4.9 million tons, down 12% from 2021–22. This marks the lowest combined production levels for U.S. citrus in at least 50 years. The U.S. citrus crop was valued at $2.6 billion in 2022–23, 13.5% below the prior year’s value. …

Northern Hemisphere Citrus Production to Rise

Josh McGill Crop Forecast, International

The World Citrus Organisation (WCO) on Nov. 15 projected that Northern Hemisphere citrus production will hit 28.98 metric tons in 2023. That’s up 12.21% compared to the prior year and 1.48% higher than the four-year average. It also exceeds the WCO’s forecast of 24.35 million tons for the Southern Hemisphere. Oranges are forecast to account for 50% of Northern Hemisphere …

$5 Million Awarded to UF/IFAS for HLB Research

Josh McGill HLB Management, Research

The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) has been awarded five federal grants totaling more than $5 million to control HLB. The grants are from the U.S. Department of Agriculture’s National Institute of Food and Agriculture (NIFA).   HLB is caused by the bacterium Candidatus Liberibacter asiaticus (CLas). The Asian citrus psyllid can transmit CLas into a …

New Crop Insurance Program for Controlled Environments

Josh McGill Insurance, nursery

The U.S. Department of Agriculture (USDA) announced a new crop insurance program designed for agricultural producers who use controlled environments as a major part of their operations. The Controlled Environment program from USDA’s Risk Management Agency (RMA) is specifically for plants grown in fully enclosed controlled environments. It provides coverage against plant diseases subject to destruction orders. The Controlled Environment …

Optimistic First Forecast for Florida Citrus

Tacy Callies Crop Forecast

The bad news is that severe weather warnings caused the annual citrus crop luncheon to be cancelled at Putnam Ranch in Zolfo Springs, Florida. The good news is that the Florida citrus crop forecast is up in all categories. Bill Curtis, agricultural statistics administrator with the Florida Department of Agriculture and Consumer Services, presented the U.S. Department of Agriculture’s (USDA) …

Seeking Injection Alternatives and Additions

Josh McGill CRDF, HLB Management, Research

The Citrus Research and Development Foundation (CRDF) approved three new projects during its September board of directors meeting. The projects will test the injection of different antimicrobial materials to treat HLB. One project will be managed by Ozgur Batuman, a citrus pathologist with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS). Another will be run by Kranthi …

citrus

Citrus Industry Members to Advise on Trade

Josh McGill Trade

Several members of the U.S. citrus industry have been appointed or re-appointed to the federal Agricultural Technical Advisory Committee for Trade in Fruits and Vegetables. They include James Cranney Jr. of California Citrus Quality Council, Casey Creamer of California Citrus Mutual, Melissa Frank-Poole of The Wonderful Company, Dale Murden of Texas Citrus Mutual and Daniel Richey of Riverfront Packing Company. …

Stelinski Elected Entomological Society Fellow

Josh McGill Awards

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 …

Hairy Approach May Get to the Root of HLB

Josh McGill HLB Management, Research, Texas

Developing disease-resistant, high-quality improved crop varieties may seem like a “hairy” task, but Texas A&M AgriLife Research scientists may have gotten to the root of the issue. A new biological technology that develops and multiplies disease-resistant citrus plants is under development by an AgriLife Research team led by Kranthi Mandadi. Mandadi is an associate professor at the Texas A&M AgriLife Research …

Developing Management for a New Snail Pest

Josh McGill Pests

By Lauren Diepenbrock A recently established snail species, Bulimulus bonariensis (also known as Bulimulus sporadicus), has been growing in population throughout the Southeast for the past few years. Growers first reported concerns about this snail in 2020 when they found the pest covering microjets and interfering with irrigation in the late spring/early summer (Figure 1). At the time, it was …

dorian

Hurricane Forecast Raised Again

Josh McGill hurricane, Weather

Colorado State University (CSU) researchers on July 6 increased their Atlantic hurricane forecast for the second time this year. They now call for an above-average Atlantic basin hurricane season in 2023. However, they note that uncertainty with this outlook is larger than normal. In June, CSU predicted a near-average hurricane season. In April, CSU predicted a slightly below-average season.   NEW …

World Citrus Organisation Gains First Mexican Member

Josh McGill International

Citrojugo in June became the first Mexican member of the World Citrus Organisation (WCO). Citrojugo, based in Tecomán, is a producer, processor and marketer of acid citrus-based juices, essential oils and dried peels. WCO is a global platform for dialogue and action that brings together citrus-producing countries. The group includes more than 40 other associations, companies and members that work …

citrus

Final U.S. Citrus Forecast Has Several Changes

Tacy Callies Crop Forecast

The final U.S. Department of Agriculture National Agricultural Statistics Service (USDA NASS) citrus forecast for the 2022–23 season, issued July 12, has several changes from the June forecast. FLORIDAFlorida’s all-orange forecast rose approximately 1% to 15.85 million boxes, up 100,000 boxes from June. The full increase is in the Valencia orange forecast, which rose to 9.7 million boxes. Florida’s all-grapefruit …

Speeding Up the Screening Process for HLB Therapies

Josh McGill HLB Management

While it remains to be seen if trunk injection of oxytetracycline hydrochloride (OTC-HCl) is a game changer in the fight against HLB, it certainly has intensified the conversation about the potential for antimicrobial treatments. There are literally hundreds of materials that might be effective at reducing the HLB bacteria in trees, but it has been a slow process to screen …