florida

CRDF Board Acts on Research Recommendations

Josh McGill CRDF, Research

The Citrus Research and Development Foundation (CRDF) board of directors spent much of its monthly meeting in July considering recommendations from the foundation’s research management committee (RMC). TRACKING TREESThe RMC recommended that a request for proposals be put forth to create an inventory of all germplasm existing in field trials from the plant breeding programs CRDF has helped to fund. …

Citrus Canker Quarantine Established in Alabama

Josh McGill Diseases, Regulation

Federal and Alabama agriculture authorities recently established a citrus canker quarantine for all of Baldwin County, Alabama, to prevent the spread of the disease. The quarantine was established on July 25 by the U.S. Department of Agriculture’s (USDA) Animal and Plant Health Inspection Service (APHIS) and the Alabama Department of Agriculture and Industries (ADAI). On June 22, 2021, APHIS confirmed …

Two New Tools in the Fight Against HLB Seek EPA Registration

Josh McGill HLB Management

The recent Florida Citrus Industry Annual Conference featured educational presentations on navigating production in an environment where HLB is endemic in groves. Two of those presentations focused on new technology being developed for use in citrus. Two companies, Elemental Enzymes and TJ BioTech, have been collaborating with the Citrus Research and Development Foundation (CRDF) to research their respective products’ potential …

Orange and OJ Production Rise in Turkey

Josh McGill Fresh, International, Orange Juice

Orange and orange juice (OJ) production levels in Turkey are forecast to be higher in 2021–22 than in 2020–21, according to a recent U.S. Department of Agriculture Foreign Agricultural Service (USDA/FAS) update. Orange production is now expected to be 1.75 million metric tons (MMT), compared to 1.3 MMT the prior year. OJ production is projected at 10,000 metric tons (MT) …

Hear What’s on Tap for the Citrus & Specialty Crop Expo

Josh McGill All In For Citrus Podcast, Citrus Expo

The Citrus & Specialty Crop Expo is set for Aug. 17–18 in North Fort Myers, Florida. The event, held at the Lee Civic Center, will be a flurry of activity as citrus and specialty crop growers come together to learn, network and see the latest tools of the trade in farming. The latest episode of the All In For Citrus …

Growers Addressing California Red Scale

Josh McGill California Corner, Pests

Citrus growers are working to address California red scale populations, as second-generation crawlers have emerged in the San Joaquin Valley. University of California Cooperative Extension Area Citrus IPM Advisor Sandipa Gautam said a tool for tracking degree days in Kern, Tulare, Fresno and Madera counties can be a helpful resource for growers. Gautam explained that the hot and dry conditions …

European Orange Juice Production to Significantly Drop

Josh McGill International, Orange Juice, Production

European Union (EU) orange juice production in 2021–22 is forecast at 62,250 metric tons (MT) by the U.S. Department of Agriculture’s Foreign Agricultural Service (FAS). That’s a decline of about 19% from the 77,212 MT of orange juice the EU produced in 2020–21. The total volume of oranges channeled to processing depends on the crop quality and quantity of oranges …

greening

Microregion Maps in Brazil Help With HLB

Josh McGill Brazil, HLB Management, Research

Microregion maps developed by Fundecitrus should help Brazilian citrus growers make the necessary decisions to combat HLB disease, also known as greening. Fundecitrus explained that the incidence of HLB differs in the various regions of Brazil’s extensive citrus belt. To allow citrus growers to better understand the places where the disease is located, a study by Fundecitrus divided the belt …

It’s Almost Time to Spray Gibberellic Acid

Josh McGill HLB Management, Tip of the Week

By Tripti Vashisth Gibberellic acid (GA) can benefit citrus trees in many ways. GA can improve vegetative and fruit growth while reducing fruit drop and flowering intensity. Evidence is mounting that repeated application of GA is needed to induce the desired positive effect on fruit growth and tree productivity. In a multiyear field trial on Valencia orange, monthly application of …

Sneak Peek: August 2022 Citrus Industry

Josh McGill Citrus Expo, Sneak Peek

As growers prepare for the 2022–23 season, August is the perfect time to review what’s new in the citrus industry. The Citrus & Specialty Crop Expo on Aug. 17–18 in North Fort Myers is the ideal venue to get the latest research updates while learning about new products and services. There’s no better place for industry leaders, growers, researchers and …

Expedited Tree Propagation Program Approved

Josh McGill Florida Department of Citrus, HLB Management, nurseries

The Florida Citrus Commission (FCC) on July 20 approved the Florida Department of Citrus’ (FDOC) plan for implementation of the Program for Expedited Propagation of HLB Tolerant and Resistant Trees (PEP). The program’s goal is to provide resources needed to ramp up the availability of the apparently HLB-tolerant Donaldson tree and others like it. The FDOC received $1 million in …

Trunk Injection for HLB: Pros and Con

Josh McGill HLB Management, Pesticides, Research

The pros of injecting the antibiotic oxytetracycline (OTC) into citrus tree trunks to combat HLB appear to be numerous, including increased fruit yield, according to scientist Ute Albrecht. On the other hand, the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researcher only discussed one con, but it was a big one. “Trunk injections cause injury, and long-term …

New UF/IFAS Entomologist to Focus on Invasive Pests

Josh McGill Pests, Research

Nicole Quinn recently joined the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) as an assistant professor of entomology. She’ll specialize in the biocontrol of invasive pests, insects and mites at the Hayslip Biological Control Research and Containment Laboratory. The lab is at the UF/IFAS Indian River Research and Education Center (IRREC) in Fort Pierce. Quinn will begin …

Citrus Root Structures: Lessons From Below

Josh McGill Research, Root health

By Ute Albrecht There have been numerous reports of malformed roots in field-grown citrus trees recently. The rootstock propagation method is often suspected as the culprit. Before drawing quick conclusions, it is important to recognize that there are many different factors that can influence the root structure of a citrus tree aside from the propagation method. These include the genetic …

HLB Cause and Control Explained

Josh McGill HLB Management, Research

University of Florida Institute of Food and Agricultural Sciences researcher Nian Wang reported in a July 20 webinar that HLB is a pathogen-triggered immune disease. After explaining the sequence in which the disease attacks trees, he suggested ways growers can use that knowledge to combat HLB. Wang is a microbiologist and cell scientist at the Citrus Research and Education Center. …

A Transformative Program

Josh McGill Education

By J. Scott Angle Morgan McKenna always knew she’d return home some day. Three previous generations of McKennas hadn’t just made a living from citrus. They’d made a life of it. It’s a life she wanted, too. Morgan saw the family business as family first and business second. She was most interested in the emotional rewards of coming home to …

Tropicana to Cease Processing at Fort Pierce Plant

Josh McGill Orange Juice

Tropicana Products Inc. advised the state of Florida in a July 15 letter that it will shut down its Fort Pierce processing plant on or about Sept. 13. The notification came in a letter from Tropicana human resources representative Jennifer Kane to the State Rapid Response Program. The program works to prevent or minimize the impacts of layoffs on workers, …

Turkey Mandarins: Greater Production, Less Profits

Josh McGill Crop Forecast, International, Mandarins

The U.S. Department of Agriculture’s Foreign Agricultural Service (USDA/FAS) recently forecast Turkey’s 2021–22 fresh production of tangerines and mandarins at 1.81 million metric tons (MMT). That is 200,000 metric tons (MT) or 14% higher than the prior year. Turkey’s tangerines and other citrus are mainly grown in the country’s Mediterranean region. Increased mandarin production in the Mediterranean region is expected …

fruit fly

Oriental Fruit Fly Quarantine in Los Angeles County

Josh McGill California Corner, Pests

A portion of Los Angeles County has been placed under quarantine for the Oriental fruit fly following the detection of 14 flies in the North Hills area of the San Fernando Valley. The quarantine zone measures 89 square miles. It is bordered on the north by the Angeles National Forest, on the south by the Ventura Freeway, on the west …