trunk injection

Talking Trunk Injection at Citrus & Specialty Crop Expo

Daniel CooperCitrus Expo, HLB Management

The educational program on the first day of the Citrus & Specialty Crop Expo focused on trunk injection of oxytetracycline (OTC) being applied to citrus to treat HLB. Trees have received their second OTC treatment, and growers are hopeful trees will respond with better fruit retention and improved quality. Ute Albrecht, University of Florida Institute of Food and Agricultural Sciences …

soil

PIECES OF THE PAST: It All Starts With the Soil

Daniel CooperPieces of the Past, soil

By Brenda Eubanks Burnette During this year’s Florida Citrus Industry Annual Conference in Bonita Springs, I interviewed a number of citrus growers as part of the Oral History Program. One of them was Brad Turner, who later sent me an article by E.F. DeBusk from the 1930 Proceedings of the Florida State Horticultural Society. DeBusk was a Florida Citrus Hall …

campaign

Fundecitrus Declares ‘Battle Time’ Against Psyllids

Daniel CooperBrazil, Psyllids

Brazil’s Fundecitrus recently declared battle in the fight against HLB-spreading psyllids. The citrus association’s recently launched “It’s battle time!” advertising campaign reinforces the need for rigor in psyllid control during the most critical period of the year. It is at this time, between the end of winter and spring, that high numbers of psyllids are captured in traps installed in …

PGRs

PGRs Promote Tree Health

Daniel CooperPGRs

The use of plant growth regulators (PGRs) has been a popular method to treat HLB-infected citrus trees. The materials have continued to be applied in conjunction with trunk injection of oxytetracycline (OTC) to improve tree health. Tripti Vashisth, an associate professor of horticultural sciences with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), has been studying PGRs …

acreage

Changes in California Citrus Acreage

Daniel CooperAcreage, California Corner

The 2024 California Citrus Acreage Report indicates that acreage for five varieties increased from 2022 to 2024 while acreage for the state’s two orange varieties decreased during the same period. INCREASES The increases were in: DECREASES Navel oranges declined from 113,586 acres in 2022 to 112,366 acres in 2024. Valencia orange acres dipped from 26,225 to 25,297 acres for the …

podcast

All In For Citrus Podcast Holds a Wealth of Information

Daniel CooperAll In For Citrus Podcast, Pests, soil

There is a constant stream of research flowing out of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS). In recent years, much of that science has focused on the fight against HLB. There are various venues where growers and other stakeholders can learn more about this research, including the All In For Citrus podcast. The podcast, produced …

soil and leaf

Now Is the Time for Soil and Leaf Sampling

Daniel CooperBMPs, Nutrition

July to September is the optimum time to collect citrus soil and leaf samples for analysis. Soil and leaf sampling are key components in the evaluation of a citrus nutrition program and required Citrus Best Management Practices recordkeeping documentation. Annual sampling and its analysis provide a good idea of the nutritional trends that have been occurring within specific grove blocks …

Hurricane Debby

Impact of Hurricane Debby on North Florida Citrus

Daniel Cooperhurricane

High wind speeds were prevalent when Hurricane Debby passed through the North Florida region last week. Perry, Florida, received the brunt of those winds. According to Lisa Strange, University of Florida Institute of Food and Agricultural Sciences Extension agent in Taylor County, wind speeds were recorded at 80 miles per hour. It led to some citrus trees toppling over. Others …

repository

Repository Is ‘Insurance Policy’ for Australian Citrus

Daniel CooperInternational, Varieties

Through Hort Innovation investments on behalf of growers and the Australian government, the National Citrus Repository Program has been established as an ‘insurance policy’ to protect Australia’s citrus industry against destructive, incurable diseases. The repository houses more than 120 publicly-owned true-to-type ‘foundation tree’ variety clones so growers can access clean, disease-free planting material for assured quality and yield protection. According …

2024-25

CITRUS NURSERY SOURCE: What’s on Tap for 2024–25

Daniel CooperCitrus Nursery Source

By Peter Chaires The New Varieties Development and Management Corp. (NVDMC) has awarded funding to citrus projects for the 2024–25 season. Exciting things are happening in crop transformation, but significant progress is also being made in conventional breeding. The NVDMC board continues to support conventional breeding projects, each with a focus on near-term results, while still setting a foundation for …

publication

New HLB Publication at the Citrus & Specialty Crop Expo

Daniel CooperCitrus Expo, Tip of the Week

By Michael E. Rogers Do you plan to attend the Citrus & Specialty Crop Expo on Aug. 21–22 at the Florida State Fairgrounds in Tampa? If so, you’ll want to stop by the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Extension booth to pick up the latest publication on HLB management assembled by UF/IFAS citrus experts. …

projections

Inclement Weather Cuts South African Orange Export Projections

Daniel CooperExport, International

The Orange Focus Group of the Citrus Growers’ Association of Southern Africa (CGA) on July 23 cut its projections for navel and Valencia orange exports in the 2024 season. NAVELS The projected number of 15-kilogram cartons of navel orange exports is now 21 million. That continues the downward trajectory that was started in May when the season-opening estimate of 25.7 …

hlb

Reasons to Believe HLB Is Beatable

Daniel CooperEvents, HLB Management

Growers gathered in Bonita Springs in mid-June for the Florida Citrus Industry Annual Conference. The event hosted by Florida Citrus Mutual drew a good crowd. The mood of growers was mixed. While there was hope that HLB trunk-injection therapies might have resulted in more dramatic improvements to this year’s crop, there also was recognition that these therapies represent one of …

root recovery

Low pH Does Not Cause Tree Injury in Trunk Injections

Daniel CooperHLB Management, OTC Expert

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 …

booth

Visit the UF/IFAS Citrus Extension Booth at the Citrus & Specialty Crop Expo

Daniel CooperCitrus Expo, Tip of the Week

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 …

applications

CRAFT Applications Open Until Nov. 1

Daniel CooperCRAFT

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

CUPS Allows Profitable HLB-Free Citrus Production

Daniel CooperCUPS, Research

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 …

crop insurance

Crop Insurance Options Expanded

Daniel Coopercrop insurance, Insurance

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 …

Food Safety Certification

Assistance Expanded for Food Safety Certification

Daniel Cooperfinancial, Food Safety

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 …