New CUPS Research Results Reported

Josh McGillCUPS

Positive results from experiments with photoselective shadecloth for color break and with plant growth-promoting bacteria for tree health were reported at a June 14 citrus under protective screen (CUPS) seminar. Presenter Arnold Schumann also gave an update on the generous fruit yields being generated in CUPS. Schumann is a University of Florida Institute of Food and Agricultural Sciences Citrus Research …

Deadline Set for Florida Land Protection Program

Josh McGillLand

The Florida Department of Agriculture and Consumer Services (FDACS) announced that landowners can apply online to the state’s Rural and Family Lands Protection Program (RFLPP) until 5 p.m. on July 27. The department will review the applications for eligibility. The program, which partners with farmers and ranchers through conservation easements, aims to safeguard working agricultural operations. “Florida’s agricultural lands are …

House Passes Block Grant Assistance Act

Tacy Callieshurricane, Legislative

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 …

Grower Achieves High Brix and Stops Drop

Josh McGillFruit Drop, Organic, Production

Low Brix has been a major problem plaguing the Florida citrus industry in recent years. While many growers are struggling to achieve the minimum required Brix level, this has not been an issue for citrus grower Chip Henry. He recently shared how he believes his organic production techniques contribute to high Brix as well as stopping premature fruit drop in …

Build Resilience in HLB-Affected Hamlin Trees

Josh McGillHLB Management, Tip of the Week

By Taylor Livingston and Tripti Vashisth Fighting HLB alongside weather disasters like freezes and hurricanes is leaving growers with little options for sustaining yields. The Hamlin sweet orange variety is known for higher susceptibility to HLB symptoms which cause rapid tree decline, including increased pre-harvest fruit drop and canopy loss. Production strategies that target fruit drop and canopy health improvement …

Gulf Citrus Growers Gain Hurricane Insights

Josh McGillGulf, hurricane, Weather

The Gulf Citrus Growers Association (GCGA) hosted its annual meeting in Fort Myers in early June to tend to association business and elect new board members. The event was well attended, and growers were mostly in good spirits buoyed by observations that HLB therapies might be having positive impacts on trees. Ron Mahan, current GCGA president, captured that sentiment in …

Integrating Use of Organic Soil Amendments and Weed Management

Josh McGillSoil Health, weeds

By Ute Albrecht, Ankit Pokhrel, Sarah Strauss and Ramdas Kanissery The soils in most Florida citrus production areas are sandy. They have less than 1% organic matter and a low cation exchange capacity (CEC). This makes them prone to nutrient leaching, especially after heavy rainfall events in the summer. HUMIC SUBSTANCESOne way to improve soils is by amending them with …

Florida Citrus Forecast Sees Small Changes

Tacy CalliesCrop Forecast

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 …

Know Your Purpose for Pruning

Josh McGillPruning

“Don’t prune if you do not know why you are pruning,” University of California Cooperative Extension’s Craig Kallsen cautioned in a June 6 webinar about pruning navel oranges. “It’s a lot of work and thus expensive.” “Generally, pruning of any kind reduces total fruit yield,” the citrus and pistachio farm advisor for Kern County stated. “The goal of pruning is …

South Africa Citrus Estimate Higher Than Last Year

Josh McGillCrop Forecast, International

The latest estimate for the South Africa citrus crop in 2023 is 165.6 million cartons. This is 800,000 more cartons than last year, The Vanguard International Group recently reported. Vanguard stated that two commodities — lemons and mandarins — have emerged over the past few years. Lemons have witnessed a significant surge in plantings. There are approximately 8,000 hectares of …

Three New Citrus Varieties Released in Brazil

Josh McGillBrazil, Varieties

Three new citrus varieties were recently released in Brazil. They are the orange Navelina XR, the early sweet orange BRS IAC FCC Alvorada and the Tahiti lemon Ponta Firme. All are the result of a research partnership among Embrapa, the Coopercitrus Credicitrus Foundation and the Sylvio Moreira Citriculture Center, linked to the Agronomic Institute. NAVELINA XRDeveloped for fresh consumption, Navelina …

Sustaining Citrus With Soil Improvement

Josh McGillCover Crops, HLB Management, Soil Health

By Frank Giles HLB has taken a toll on growers both large and small over the years. That’s been the case with third-generation grower Chuck Bellamy, who grows citrus near Inverness, Florida. His grandparents planted the first trees on the property in 1930. A few of those trees are still alive in the grove nearly 100 years later. Bellamy says …

Sting Nematode Problematic for Young Trees

Josh McGillPests

The sting nematode is the most serious nematode problem in young citrus groves, nematologist Larry Duncan reported at the Florida Citrus Growers’ Institute in April. According to Duncan, long before HLB, the sting nematode was widely encountered in groves on Florida’s Central Ridge and in Polk County. The University of Florida Institute of Food and Agricultural Sciences professor said tree …

Brite Leaf Citrus Nursery Awarded

Josh McGillAwards, nurseries

The 2023 winners of Florida’s Agricultural-Environmental Leadership Award are Brite Leaf Citrus Nursery, Rocking K Cattle and Island Grove Wine Company. The winners were announced May 30 by Florida Commissioner of Agriculture Wilton Simpson. Agricultural-Environmental Leadership Awards have been presented annually since 1994 and spotlight environmentally innovative growers and ranchers who share a commitment to protecting and preserving Florida’s resources …

Millennium Block and MAC Project Updates

Josh McGillResearch, Rootstocks, Varieties

Hurricanes Ian and Nicole in 2022 caused early fruit drop in the Indian River area, where two studies of 39,000 trees that might tolerate HLB are being conducted. Researchers now expect significant data from the studies will come after the 2023, 2024 and 2025 season harvests, but they have already gained some insights from the projects.  The first experimental grove, …

Valencia on US-942 Rootstock Is Favored Florida Tree

Josh McGillRootstocks, Varieties

For at least the last four years, the Valencia SPB-1-14-19 orange has been the most-produced citrus variety in Florida, and US-942 has been the favored rootstock. So, it makes sense that the Valencia SPB-1-14-19 on US-942 rootstock has been the most-produced tree combination for four years running. That information was provided at April’s Florida Citrus Growers’ Institute in Avon Park …

HLB in Florida Is a Warning to California

Josh McGillCalifornia Corner, HLB Management

The damage that HLB has inflicted on Florida citrus groves and production over the past 18 years should serve as a warning for California producers, California’s Citrus Pest & Disease Prevention Program (CPDPP) stated recently. CPDPP noted that with HLB detected in thousands of California residential trees, it’s important for commercial growers to take steps to prevent the disease. According …

Repurposing Tools to Tackle HLB

Josh McGillHLB Management

By J. Scott Angle, jangle@ufl.edu, @IFAS_VP The hurricane-battered harvest numbers don’t show it, but we’re in a much better place in developing scientific solutions for managing HLB than we were a year ago. That’s because our scientists have discovered that tools invented to solve other problems can help address your one big problem. GIBBERELLIC ACIDFor example, gibberellic acid (GA) has …

May CRDF Meeting Focuses on Money Matters

Josh McGillCRAFT, CRDF

The Citrus Research and Development Foundation (CRDF) board of directors attended to budgetary matters during its May meeting, as the end of the fiscal year nears. “We decided to transfer our remaining uncommitted funds from what we had budgeted for new research to the Citrus Research and Field Trial program to help growers treat mature trees with new therapies,” said …

Sneak Peek: June 2023 Citrus Industry

Josh McGillSneak Peek, Soil Health

During a historically low period of Florida citrus production, Inverness grower Chuck Bellamy has found a way to keep fruit on his trees. In the June cover story of Citrus Industry magazine, he tells what regenerative practices have reduced fruit drop in his grove. Not only is he keeping more oranges; he has lowered his production costs in the process. …