By Muhammad Shahid Winter freeze is the main threat to the emerging citrus industry in North Florida, South Georgia and Southeast Alabama. Growers use microsprinkler irrigation as a freeze-protection strategy to protect the graft union of young trees, but it is not very effective in protecting aboveground plant parts in established trees. PLANT PROTECTIONUse of stress-mitigating substances could be an …
CRDF Puts a Bow on a Busy Year
The Citrus Research and Development Foundation (CRDF) held its final board of directors meeting of the year on Dec. 12. According to Rick Dantzler, CRDF chief operating officer, it was a productive meeting. “We funded projects on plant breeding and evaluation,” Dantzler said. “We also approved research to look for ways to maximize the use of oxytetracycline (OTC) as a …
Research Team Aims for HLB Resistance/Tolerance
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 …
Court Disallows Use of Streptomycin on Citrus
The U.S. Ninth Circuit Court of Appeals on Dec. 13 reversed the U.S. Environmental Protection Agency’s (EPA) approval of the antibiotic streptomycin as a pesticide on citrus crops. See the ruling here. The court determined the EPA’s 2021 decision to allow spraying of streptomycin on citrus crops across the country to be unlawful under the Federal Insecticide, Fungicide, and Rodenticide Act …
Florida Citrus: The Road Back
By Tom Spreen The Florida citrus industry has experienced a difficult stretch of years since the record crop year of 2003–04, when over 240 million 90-pound boxes of oranges were produced. INDUSTRY DECLINEIn 2004, multiple hurricanes crisscrossed the Florida peninsula. They were the first hurricanes to hit the citrus-producing area of Florida since Hurricane Dora in 1964. The hurricanes themselves …
California Fruit Fly Quarantines Continue to Expand
Federal and state officials have expanded Mediterranean fruit fly (Ceratitis capitata; Medfly), Zeugodacus tau fruit fly and Queensland fruit fly (Bactrocera tryoni; QFF) quarantines in California. The actions were taken by the U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (USDA APHIS) and the California Department of Food and Agriculture (CDFA). The Medfly and tau fruit fly quarantines …
California Leads U.S. 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 …
Optimistic First Forecast for Florida Citrus
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) …
First HLB Detection in Ventura County
The California Department of Food and Agriculture (CDFA) has declared a quarantine in Ventura County following the detection of the citrus disease huanglongbing (HLB), or citrus greening, in two citrus trees on one residential property in the city of Santa Paula. These detections are the first HLB-positive trees in Ventura County. CDFA is working with the U.S. Department of Agriculture …
Final U.S. Citrus Forecast Has Several Changes
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 …
House Passes Block Grant Assistance Act
Rep. Scott Franklin (FL-18) announced the House of Representatives passed the Block Grant Assistance Act on June 12. This critical bill provides needed authority for the U.S. Department of Agriculture (USDA) to issue block grants to growers devastated by Hurricanes Ian and Nicole. It now heads to the Senate for consideration. Those supporting the Block Grant Assistance Act include Florida …
Florida Citrus Forecast Sees Small Changes
With the 2022–23 season harvest virtually completed for all varieties, the June citrus forecast for Florida had several slight changes. The Florida orange and grapefruit forecasts each climbed 1% from May, while the tangerines/tangelos forecast dropped 2%. Forecasts from the U.S. Department of Agriculture National Agricultural Statistics Service (USDA NASS) were unchanged for Arizona, California and Texas. FLORIDA ORANGESFlorida’s all-orange …
Adjustments to the Florida Citrus Crop Forecast
The May Florida citrus crop forecast from the U.S. Department of Agriculture National Agricultural Statistics Service (USDA NASS) saw some ups and downs. FLORIDA ORANGESThe Florida 2022–23 all-orange forecast declined 3%, from 16.1 million boxes in the April forecast to 15.65 million boxes in May. If the forecast is realized, this will be 62% less orange production than last season. …
Brazil’s Initial Orange Forecast for 2023–24
The 2023–2024 initial orange forecast for Brazil’s citrus belt is 309.34 million boxes. The forecast was announced on May 10 by Fundecitrus and its cooperators. The projected volume is 1.55% less than the previous crop, which totaled 314.21 million boxes. Fundecitrus reported that weather conditions are positive for the 2023–24 crop with rains being 50% above the historical average. However, …
Citrus Mural Unveiled on National Orange Juice Day
The Florida Department of Citrus (FDOC), in partnership with Visit Florida®, is excited to announce the new installation of a hand-painted mural by artist Lauren Hom. Beginning May 4 (National Orange Juice Day), visitors can view the new Florida citrus themed art at the Florida Welcome Center in Jacksonville. Visitors who stop at the center will be able to take …
Hurricane Forecasts Differ in Severity
The Weather Company and Atmospheric G2 on April 13 forecast 15 named storms for the Atlantic hurricane season. That’s two more than the 13 that Colorado State University (CSU) projected on the same date. The Weather Company and Atmospheric G2 also projected seven of the storms will become hurricanes and that three will become major hurricanes. By contrast, CSU forecast …
Farm Bill Listening Session on April 24
The U.S. House Agriculture Committee will host a farm bill listening session in Newberry, Florida, on April 24. Glenn “GT” Thompson (PA-15), chairman of the House Committee on Agriculture, will host the session. He will be joined by U.S. Rep. Kat Cammack (FL-03), Rep. Austin Scott (GA-08), Rep. Darren Soto (FL-09) and additional members to be announced. The committee is …
Cytokinin Studied for Citrus Health Benefits
Tripti Vashisth, University of Florida Institute of Food and Agricultural Sciences associate professor, has been leading the research on how plant growth regulators (PGRs) can improve the health of HLB-infected trees. She’s conducted extensive research on the use of gibberellic acid. But she has recently begun to study another hormone, cytokinin. She gave an update on this work during the …
Using Artificial Intelligence to Address Ag Challenges
Far from his roots in a small town in northwest China, Changying “Charlie” Li is now the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) artificial intelligence (AI) administrative coordinator. He’s also a professor of agricultural and biological engineering. Li joined UF/IFAS last year to focus on agricultural AI with research, teaching and administration appointments. He wants to …
Aid for Growers Transitioning to Organic Production
The U.S. Department of Agriculture (USDA) has announced details of a $75 million investment in conservation assistance for growers transitioning to organic production. USDA’s Natural Resources Conservation Service (NRCS) will dedicate financial and technical assistance to a new organic management standard and partner with new organic technical experts to increase staff capacity and expertise. The effort is part of the multi-agency …