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 …

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, …

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. …

Silicon Could Benefit Florida Citrus

Josh McGillNutrition, Production

There has been much focus on the benefits of applications of plant growth regulators like gibberellic acid and 2,4-D, and more recently oxytetracycline hydrochloride to improve the health of citrus trees infected with HLB. Silicon also has been highlighted for its potential benefits to citrus. Mohammad Adnan Shahid, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) assistant professor, …

The Florida Citrus Industry After the 2022 Hurricanes

Josh McGillEconomics, hurricane

By Tom Spreen To proclaim that 2022 was a difficult year for the Florida citrus industry would be an understatement. In late January, a short freeze hit much of the commercial citrus-producing area with long-term implications. While its effect on the 2021–22 crop was small, it came as the 2022–23 bloom was about to begin after a warm December. It …

All In For Citrus Podcast, May 2023

Josh McGillAll In For Citrus Podcast

There is some buzz among citrus growers that new HLB therapies are beginning to show positive results in trees. But visual observations of trees are subjective and can vary from grove to grove and grower to grower. The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) has developed a new tool for growers that will provide a more …

Projects Selected for Existing Tree Therapies Program

Josh McGillCRAFT

The Citrus Research and Field Trial (CRAFT) Foundation received nearly 700 eligible applications — representing more than 42,000 acres — for its new Existing Tree Therapies Program. A random lottery drawing was recently conducted by a third party, and 159 projects have been selected for inclusion in the program. The remaining applications have been placed on a waitlist.  CRAFT staff …

Indian River Center to Add Citrus Researcher

Josh McGillIndian River, Research

Brazil native Flavia Zambon will become assistant professor of production horticulture of citrus and other tree crops at the Indian River Research and Education Center (IRREC) in November. The IRREC, located in Fort Pierce, is a branch of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS).  Zambon has had years of research experience in all of Florida’s …

Florida Budget Includes $65 Million for Citrus

Josh McGillLegislative

This year’s Florida state budget, established by the Legislature in early May, is the largest in history at nearly $115 billion. Florida Citrus Mutual (FCM) reported that approximately $65 million was allocated to the citrus industry. FCM itemized what was allocated to the citrus industry prior to Gov. Ron DeSantis signing the budget:  Additionally, the Department of Agriculture package bill …

cups

Long-Term Research Proves CUPS Performance

Josh McGillCUPS, Research

Arnold Schumann, a professor of soil fertility and water quality with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), led the effort to study the effectiveness of citrus under protective screen (CUPS) in protecting trees from HLB. The work resulted in growers having confidence in the practice. Today, Florida CUPS plantings are closing in on 1,000 commercial …

Seminar Speakers Share Latest Citrus Research

Josh McGillEducation, Events, Research

The citrus session at the Florida Grower Citrus Show started off with a special award acknowledgement by Ron Cave, director of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Indian River Research and Education Center (IRREC). Cave recognized Pasco Avery for his induction into the 2022 class of the IPM Hall of Fame from the Southern IPM …

commercial

Citrus Research Funding Update

Josh McGillResearch

During the recent Florida Citrus Growers’ Institute, Michael Rogers, director of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center, provided details on recently funded citrus research projects. “The $16.3 million (from the U.S. Department of Agriculture) will go toward new research or continuing research to keep promising projects going,” Rogers said.  Eight …

dry

Considerations for High-Density Citrus Plantings

Josh McGillplanting, Tip of the Week

By Amir Rezazadeh Among all the factors that will affect the productivity and profitability of a citrus grove, choosing the optimal tree spacing is crucial. Florida citrus growers are planting trees at significantly higher densities than in the past. Due to negative impacts on plant health following the emergence of huanglongbing (HLB or citrus greening) in Florida, canopy growth substantially …

California Psyllid Program Requires Compliance Agreements

Josh McGillCalifornia Corner, Regulation

The California Department of Food and Agriculture’s (CDFA) Asian citrus psyllid (ACP) quarantine program now requires all harvesters/farm labor contractors (FLCs) to have valid compliance agreements to harvest citrus groves. An FLC is defined as any person or establishment that employs people to perform work related to grove management and/or harvesting commercial citrus fruit. The requirement was announced by CDFA’s …

Growers Share First Impressions of Trunk Injection

Josh McGillEvents, HLB Management

The Peace River Valley Citrus Growers Association (PRVCGA) hosted growers and industry members on National Orange Juice Day to discuss early experiences with trunk injection of oxytetracycline hydrochloride (OTC-HCl). Two new OTC-HCl products, ReMedium TI and Rectify, were registered this season for use as an HLB treatment in Florida citrus. While some growers are taking a wait-and-see approach to trunk …

Pelz-Stelinski to Lead Mid-Florida Center

Josh McGillEducation, Florida, Research

Kirsten Pelz-Stelinski will become director of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Mid-Florida Research and Education Center (MREC) in Apopka on Aug. 1. She is currently an entomology professor and associate center director of the UF/IFAS Citrus Research and Education Center (CREC) in Lake Alfred. Pelz-Stelinski will lead faculty, staff and students at the MREC. …

What’s New in Citrus Breeding?

Josh McGillAll In For Citrus Podcast, Breeding, Varieties

The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus plant improvement team joined the All In For Citrus podcast to discuss new varieties and those in the breeding pipeline. Fred Gmitter, professor of horticultural sciences, Jude Grosser, professor of plant cell genetics, and John Chater, assistant professor of horticultural sciences, also discussed how HLB has impacted their …

Fine-Tuning CUPS Production Practices

Josh McGillCUPS, Production

Mixon family members were pioneers in the Florida blueberry industry. Brothers Jerry and Keith Mixon planted their first berries in 1993. Over the years, they grew their business and became worldwide marketers, eventually adding blackberries, raspberries and strawberries to their portfolio. BACK TO CITRUSIn 2011, they sold their berry business to the Dole Food Company. But the brothers still had …