Florida orange

The Promise of Gibberellic Acid

Josh McGillHLB Management, PGRs

Researcher Tripti Vashisth shed additional light on the promise of gibberellic acid (GA) applications in rejuvenating HLB-affected orange trees during a Jan. 11 presentation. Some of the important messages that the University of Florida Institute of Food and Agricultural Sciences associate professor highlighted were: VALENCIA TRIALIn a 2016 to 2022 Valencia field trial, GA applications made from September to January …

More CYVCV Detected in California

Josh McGillCalifornia Corner, Diseases

Two new detections of citrus yellow vein clearing virus (CYVCV) have been confirmed in rural residential citrus trees in the city of Visalia in Tulare County, California. The detections resulted from an ongoing survey and sampling activities conducted by the California Department of Food and Agriculture (CDFA). CYVCV had previously been confirmed in August in the city of Tulare; learn …

Brazil’s Orange Juice Production and Exports

Josh McGillBrazil, Orange Juice

Production of Brazilian frozen concentrated orange juice (FCOJ) is forecast at 1.12 million metric tons (MMT) in 2022–23, a drop of 1% from the prior year. The reduction is due to the lower availability of fruit for processing, according to a U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) Brazilian citrus report. São Paulo is expected to process 268 …

Lake Region Packing Book Launched

Josh McGillHistory, Packing

Numerous former employees of Lake Region Packing Association (LRPA) and their families and citrus industry associates attended a Jan. 7 meeting in Tavares to launch a digital book about the association. The meeting was hosted by former Extension agent John Jackson, who worked in Tavares and knew many association grower members and employees for decades. Speakers included Jackson; the book’s …

Trunk Injection Not a Silver Bullet for HLB

Josh McGillDiseases, HLB Management

Although trunk injection of oxytetracycline hydrochloride  (OTC-HCl) has received much recent press for its promise in managing HLB, there is still no silver bullet for the devastating disease. That was part of plant pathologist Ozgur Batuman’s message at a Dec. 10 seminar addressing HLB and other citrus diseases that may exacerbate HLB’s effects on trees. “There is no single effective …

Department of Citrus Responding to Media and Promoting OJ

Josh McGillFlorida Department of Citrus, Marketing

The Florida Department of Citrus (FDOC) worked with Florida Citrus Mutual (FCM) and public relations agency Red Hill Strategies to manage media requests regarding crop forecasts and the impacts of hurricanes in 2022. The FDOC has also worked with FCM to develop a toolkit about the application of oxytetracycline in the fight against HLB. FDOC Director of Global Marketing Samantha Lane …

Get the Timing Right for Gibberellic Acid Applications

Josh McGillHLB Management, Tip of the Week

By Tripti Vashisth Since 2021, a number of Florida growers have adopted the use of gibberellic acid (GA) in their grove management programs. This widespread adoption is due to the fact that GA-treated trees show canopy rejuvenation and reduction in preharvest fruit drop, resulting in improved yields. The research on Valencia shows that the effect of GA improves over time. …

Taking Fertilizer Knowledge to the Next Level

Josh McGillEducation, Nutrition

The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) has launched a new online graduate certificate program for agricultural professionals. “The certificate program is called Fertilizer Science and Technology, offered completely online at the student’s pace and oriented to growers, consultants, suppliers and regulators,” says Kelly Morgan, UF/IFAS professor of soil fertility and water management. The certificate is …

Taking Care of Trees After the Five-Night Freeze

Josh McGillCold Hardy, freeze

“To some extent, every citrus variety has suffered from cold damage” due to the five-night freeze event that occurred in the cold-hardy citrus region Dec. 24–28. That report comes from Jake Price, Lowndes County Extension coordinator for University of Georgia Extension. “The site of our citrus research plots in Valdosta reached a low of 16 degrees, which is the lowest …

Blanket Flowers Increase Arthropod Predators and Pollinators in Citrus Groves

Josh McGillPest Management, Pollination, Research

By Angela Chuang and Lauren Diepenbrock While many arthropod predator and pollinator activities benefit crop quality and yields, traditional farming environments may not be ideal habitats to support their survival year-round. For example, wild bees or flies that pollinate citrus may need other sources of nectar and pollen when citrus is not flowering. Planting wildflowers near crop fields to improve …

cups

IMG Citrus Acquires Facility and Farmland

Josh McGillIndustry News Release

IMG Citrus, based in Vero Beach, Florida, has acquired J&J Fresh Produce assets. These assets, also located in Vero Beach, include a new 185,000-square-foot cold storage and packaging facility and 1,000 acres of farmland in the Delta Farms Water Control District. “This is an exciting acquisition and a key component of our growth strategy,” said Melanie Ressler, co-chief executive officer …

Hurricanes Complicate Citrus Flowering

Josh McGillAll In For Citrus Podcast, hurricane

In the latest episode of the All In For Citrus podcast, Tripti Vashisth discusses the citrus flower bud advisory system. The service is provided by the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS). The advisories on flowering generally start before Thanksgiving and run through the end of February or early March. “The goal of the flower bud …

Citrus Breeding Program Funded in California

Josh McGillBreeding, California Corner

New federal funding of $1 million will establish a citrus breeding program in California. The program will be at the U.S. Department of Agriculture’s Agricultural Research Service (USDA ARS) field station in Parlier. It will identify new citrus varieties that are best suited for changing climatic pressures such as drought, consumer taste preferences, and resistance to pests and diseases such …

Celebrating 50 Years of Growth

Josh McGillSponsored Content

Chemical Dynamics is a leading provider of crop nutrition solutions, focused on helping farmers grow specialty crops in Florida, the Southeast and across the US. Our company was founded in 1973 by W.B. “Hap” Carson in Plant City, FL and has been a family-owned and operated business for three generations. For the past 50 years, we have developed a diverse …

Cover Crop Considerations for Citrus

Josh McGillCover Crops

By Amir Rezazadeh Cover crops protect the soil from sunlight, wind and heavy rain, which enhances soil microbial populations and improves soil structure, water infiltration and root penetration. A reduction in soil crusting, erosion, runoff and nutrient leaching are additional advantages. Through improved nitrogen cycling and nutrient retention, cover crops increase soil fertility. ORGANIC MATTER SOURCECover crops offer an inexpensive …

Ever-Changing MRLs for Fresh Citrus Exports

Josh McGillExport, Pesticides

By Mark A. Ritenour Modern production practices for fresh fruits and vegetables usually include the use of various preharvest and postharvest chemicals, some of which are pesticides. Legally, these materials must be labeled for use on specific crops and may only be used according to label instructions. Chemical residues on fruits and vegetables are monitored by industry and regulators to …

Cold-Hardy Citrus Region Frozen

Josh McGillCold Hardy, freeze

Temperatures in the teens walloped the South Georgia-North Florida citrus region over the Christmas weekend, destroying fruit still on trees and damaging trees to some extent. “We got as low as 15, but most places it hovered around 18 degrees,” reported Lindy Savelle, president of the Georgia Citrus Association. “All fruit left on trees appears to have turned to mush …

Promotions Aid OJ Sales

Josh McGillFlorida Department of Citrus, Marketing, Orange Juice

The demand for orange juice (OJ) would decline by 11.3% without the awareness produced by Florida Department of Citrus (FDOC) promotional activities, the Florida Citrus Commission was told in December. Marisa Zansler, FDOC economic and market research director, delivered that message in summarizing a recent report by Lisa House, chair of the University of Florida’s Food and Resource Economics Department. …

mandarin

Techniques Tested on Mandarins in CUPS

Josh McGillCUPS, Mandarins, Tip of the Week

By Rhuanito S. Ferrarezi and Mark A. Ritenour Two independent trials were conducted under a commercial citrus under protective screen (CUPS) system. The first trial was to investigate canopy management strategies to improve fruit yield and quality of mandarins. Canopy management is essential for CUPS since the environment stimulates vigorous vegetative growth, posing operational challenges to mechanization that can be …

Preparing for Implementation of Agricultural Water Requirements

Josh McGillFood Safety, Water

By Taylor O’Bannon, Matt Krug and Michelle Danyluk In December 2021, the Food and Drug Administration (FDA) released its proposed changes to the Food Safety Modernization Act (FSMA) Produce Safety Rule (PSR) Subpart E, which covers agricultural water. The proposed changes focus solely on preharvest agricultural water and make no changes to the requirement of water used for harvest and …