Sponsored Content In this special series, Tom Johnson, owner of TJ BioTech, tackles questions about optimizing trunk-injection applications to treat HLB. Q: Some are suggesting that oxytetracycline injections may be creating tree injury due to low pH. What have you learned about this from your ongoing research? Tom Johnson: A substantial amount of research has been conducted by TJ BioTech …
Visit the UF/IFAS Citrus Extension Booth at the Citrus & Specialty Crop Expo
By Jamie D. Burrow and Michaela Ivy Since the spring, planning has been underway for the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus Extension team booth to be on display at the Citrus & Specialty Crop Expo. The event is Aug. 21–22 at the Florida State Fairgrounds in Tampa. The booth will be in the same …
CRAFT Applications Open Until Nov. 1
Applications are available online for Cycle Six of the traditional Citrus Research and Field Trial (CRAFT) New Tree Planting Program and Round Three of the Existing Tree Therapies Program. Growers may submit their applications until 5 p.m. on Friday, Nov. 1. The CRAFT board of directors, with the help of the Technical Working Group, has established a list of factors …
CUPS Allows Profitable HLB-Free Citrus Production
The U.S. Department of Agriculture National Institute of Food and Agriculture (USDA/NIFA) has invested more than $250 million to find a solution for HLB. One example of USDA NIFA-funded research is citrus under protective screen (CUPS). University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) scientist Arnold Schumann and colleagues began testing CUPS at the Citrus Research and Education Center …
Fourth Generation to Lead Fresh Citrus Business
There have been many challenges faced by the Florida citrus industry in its long and storied history. Innovative growers have found ways to overcome those challenges, making citrus one of the core industries in the state. Few would argue that HLB is not the biggest challenge to date, but growers continue to innovate to try to save the industry. A …
Crop Insurance Options Expanded
The U.S. Department of Agriculture (USDA) is expanding crop insurance options for some specialty and organic growers beginning with the 2025 crop year. USDA’s Risk Management Agency (RMA) is allowing enterprise units (EUs) by organic farming practice, adding enterprise unit eligibility for several crops, and making additional policy updates. The following changes impacting citrus will be made beginning with the …
Assistance Expanded for Food Safety Certification
The U.S. Department of Agriculture (USDA) is expanding the Food Safety Certification for Specialty Crops (FSCSC) program to include medium-sized and small businesses. Eligible specialty crop growers can apply for assistance for expenses related to obtaining or renewing a food safety certification. The program includes assistance for 2024 and 2025 expenses. Producers can apply for assistance on their calendar year …
Preview of the Citrus & Specialty Crop Expo Seminars
In the July All In For Citrus podcast, Tripti Vashisth, associate professor of horticultural sciences with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), gave a sneak peek of the citrus educational seminars at the upcoming Citrus & Specialty Crop Expo. The event takes place on Aug. 21–22 at the Florida State Fairgrounds in Tampa. Vashisth coordinated …
Saving Citrus Symposium Focused on Fruit Drop
KeyPlex recently hosted its third Saving Citrus Symposium in Sebring, Florida. The event focuses on fruit drop, which has been a major problem for growers in recent years. The third gathering provided an update on research KeyPlex has sponsored to seek causes of fruit drop and ways to manage against it. The research began in January 2021 when company personnel …
Greening Bacterium Causes Changes in Psyllids
Recent studies, including a partnership project between Fundecitrus and the University of California, revealed that the citrus greening bacterium Candidatus Liberibacter asiaticus causes physiological changes in psyllids, posing additional challenges to management strategies. An increase in the number of eggs, more frequent dispersal flights over longer distances and greater attractiveness to the host are some of the changes observed in …
CLas-Positive Psyllid Sample in Riverside County
An adult Asian citrus psyllid (ACP) sample from a residential property in the San Jacinto Valley area of Riverside County, California, has tested positive for Candidatus Liberibacter asiaticus (CLas), the bacterium that causes huanglongbing (HLB). The positive sample was collected as part of the Multi-Pest Risk Survey on a residential property in Hemet. It was confirmed positive for CLas on …
PIECES OF THE PAST: Davie – South Florida’s Historic Citrus Center
By Brenda Eubanks Burnette In the early 1900s, Florida Governor Napoleon Broward (1905–09) persuaded the Legislature to drain the Everglades and finance a canal system by selling off large blocks of land for $2 per acre. Once drained, the area housed rich fertile soil and, in 1906, millionaire R.P. Davie bought almost 28,000 acres. By 1909, settlers arrived in response …
Fruit and Vegetable Industry Advisors Needed
The U.S. Department of Agriculture (USDA) is requesting nominations to fill up to 25 upcoming vacancies on the Fruit and Vegetable Industry Advisory Committee (FVIAC). The committee was established to develop recommendations for submission to the U.S. secretary of agriculture on issues affecting the produce industry. Nomination packages must be postmarked on or before Sept. 3. The packages should include …
Sneak Peek: August 2024 Citrus Industry
Despite low production levels this season in Florida, grower success stories can still be seen in citrus. Wm. G. Roe & Sons is a prime example. The August issue of Citrus Industry magazine tells how the century-old citrus business is still flourishing. As the next generation of leadership steps up in the Roe family, the business is also implementing a …
No Shortage of Australian Orange Juice
Citrus Australia has assured Australian consumers they will continue to have consistent access to orange juice made from locally grown fruit. Adverse growing conditions and the spread of the huanglongbing (HLB) disease have reduced orange production in Brazil, Florida and several other key citrus-growing regions around the world. This has created a global shortage of orange juice concentrate, prompting media …
All In For Citrus Podcast, July 2024
As citrus growers try to stabilize production in the midst of endemic HLB, maintaining the industry’s infrastructure is critically important. Two key sectors of that infrastructure are citrus nurseries and juice processors. In the July episode of the All In For Citrus podcast, Michael Rogers, director of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research …
Citrus Nutrient Research Update
By Davie Kadyampakeni, Muhammad Shahid and Alisheikh Atta Current citrus nutrient guidelines are based on studies of healthy citrus trees conducted in the pre-huanglongbing (HLB) era. These guidelines may no longer be valid for the present situation where 100% of mature citrus trees in Florida are HLB-affected. Scientists at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) …
Foliar Feed Your Trees
By Mongi Zekri Foliar fertilizer application is certainly not a new concept to the citrus industry. For over six decades, foliar fertilization has been recommended to correct zinc, manganese, boron, copper and magnesium deficiencies in citrus. It is now common knowledge in agriculture that properly nourished crops may tolerate insect pests and diseases. Traditionally, citrus growers try to achieve optimum …
South Africa’s Orange and OJ Production
South Africa’s orange and orange juice (OJ) production are projected to increase in 2023–24 compared to the prior year, the U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) reported recently. ORANGES Orange production for 2023–24 is forecast to increase to 1.69 million metric tons (MMT), from 1.63 MMT the prior year. The South African area planted in oranges is …
South Korea Grants Market Access to Texas Grapefruit
Texas grapefruit growers recently gained access to a new international market in South Korea worth $5 million annually. The U.S. Department of Agriculture Animal and Plant Health Inspection Service (USDA APHIS) negotiated the technical details that will help ensure grapefruit exported from Texas are free from pests, such as the Mexican fruit fly. On June 27, 2024, South Korea’s national …