Taking Available Tools to the Grove

Tacy CalliesHLB Management

The quest for long-term solutions to HLB is well underway. Technology like CRISPR is being developed to introduce tolerance or resistance to HLB. Conventional breeding also is seeking rootstocks and varieties that can resist the disease. In the meantime, growers are reminded to utilize available tools that help trees remain productive in an HLB environment. During the August Citrus & …

Updates on FDOC Research Projects

Tacy CalliesFlorida Citrus Commission, Florida Department of Citrus, Research

Florida Citrus Commission (FCC) members on Jan. 17 heard an update on one recent Florida Department of Citrus (FDOC) scientific research project and learned about some future research plans. Rosa Walsh, FDOC director of scientific research, presented the information. PROGRAM FOR EXPEDITED PROPAGATIONWalsh reported that the 2022–23 Program for Expedited Propagation of HLB Tolerant and Resistant Trees was successful. She …

CITRUS NURSERY SOURCE: Seeds Aplenty

Tacy CalliesCitrus Nursery Source

By Peter Chaires Beginning this month, Citrus Nursery Source (CNS) transitions to Citrus Industry magazine after 14 years in Florida Grower magazine. For those unfamiliar with this column, CNS covers citrus industry issues that are of potential interest to nurseries and the growers they serve. Recognizing that it is difficult for nursery owners and staff to regularly attend meetings, this …

Food Traceability Rule: Overview and Requirements

Tacy CalliesFood Safety, Regulation

By Clara Diekman and Michelle Danyluk The Food Traceability Rule (FTR) is a federal regulation that establishes recordkeeping requirements for persons who manufacture, process, pack or hold foods on the Food Traceability List (FTL). The goal of this rule is to help the U.S. Food and Drug Administration (FDA) identify and remove potentially contaminated food from the market more rapidly, …

Mexico Expects Citrus Crop Increases

Tacy CalliesInternational, Production

Mexico’s Ministry of Agriculture and Rural Development recently reported that Mexico produced more than 8 million tons of lemons, oranges and grapefruit in 2022. It stated that Mexico was in second, third and fourth place in world production of lemons, grapefruit and oranges, respectively. The ministry also pointed out many of the health benefits of consuming citrus. LEMONSFigures from the …

Florida Citrus: The Road Back

Tacy CalliesEconomics, Florida

By Tom Spreen The Florida citrus industry has experienced a difficult stretch of years since the record crop year of 2003–04, when over 240 million 90-pound boxes of oranges were produced. INDUSTRY DECLINEIn 2004, multiple hurricanes crisscrossed the Florida peninsula. They were the first hurricanes to hit the citrus-producing area of Florida since Hurricane Dora in 1964. The hurricanes themselves …

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Fundecitrus Repudiates Articles About Citrus Greening

Daniel CooperBrazil, Citrus Greening

Fundecitrus says it repudiates recent articles that claim productivity in Brazil’s São Paulo and Minas Gerais citrus belt will be reduced by 60% in the next five years due to citrus greening disease. Fundecitrus says Chilean and Spanish news portals published such reports on Nov. 14.  According to Fundecitrus, this information is not valid, nor was it ever provided by …

Research Update on Oxytetracycline Injection for HLB Management

Josh McGillHLB Management, Research

By Ute Albrecht The German scientist Paul Ehrlich pioneered the research for “magic bullets” — chemicals that could kill a microorganism but did not harm the patient. He also coined the term “chemotherapy” and paved the way for developing synthetic drugs. The first synthetic antibiotic (the first sulfa-type antibiotic) to successfully treat human bacterial diseases without major side effects was …

Three New Citrus Releases From UF/IFAS

Josh McGillVarieties

The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center breeding program has released three new scion cultivars in the last year. These cultivars provide opportunities for diverse segments of the Florida citrus industry, including nurseries catering to the home landscape marketplace. The new releases demonstrate the value of a broad-based breeding program to …

Provide Feedback During Florida Fruit Displays

Josh McGillAll In For Citrus Podcast, Events, Varieties

Later this month, Florida citrus fruit displays will get underway. This is a key component of the citrus breeding program to get input from growers and other industry stakeholders on how fruit from potential new varieties looks and tastes. During the September All In For Citrus podcast, Michael Rogers, director of the University of Florida Institute of Food and Agricultural …

Breeder Advice on Nutrition, Scions and Rootstocks

Josh McGillNutrition, Rootstocks, Varieties

Citrus breeder Jude Grosser recently shared tips on tree nutrition and discussed some scion/rootstock combinations that should work well for trees producing juice oranges. NUTRITIONGrosser became very interested in citrus nutrition several years ago in an effort to keep his newly bred trees healthy in the face of HLB. The University of Florida Institute of Food and Agricultural Sciences professor …

Participate in Variety Displays and Field Days

Josh McGillEvents, Tip of the Week, Varieties

By Peter Chaires Each year, the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus breeding teams provide opportunities for interested parties to sample fruit from new and recent selections. This is a great opportunity to remain current on research results. Participation from growers, processors, packers, marketers and fruit enthusiasts is desired. Shoppers in produce departments represent a …

The Benefits of Growing Citrus on UV-Metalized Reflective Mulch

Josh McGillHLB Management, Research

By Jawwad Qureshi, Lauren Diepenbrock and Davie Kadyampakeni Protecting citrus trees from the Asian citrus psyllid (ACP) is critical to reducing the spread and severity of huanglongbing (HLB) or citrus greening disease. ACP, the vector of the pathogen responsible for causing HLB in citrus, needs young shoots to develop and reproduce. The frequent availability of viable shoots in young trees …

Fruit Quality Evaluations for Georgia Citrus Varieties

Josh McGillGeorgia, Varieties

Characteristics of 30 varieties and 45 variety/rootstock combinations were reported in Evaluating Fruit Quality of Citrus Varieties in Georgia, 2021-22. Jacob Price, county Extension coordinator for Lowndes County and Extension citrus specialist with University of Georgia (UGA) Extension, authored the report. Price noted that most groves in Georgia were planted after 2014. Initially, satsuma mandarins (Citrus unshiu) on trifoliate rootstocks …

Accelerating Citrus Breeding Efforts

Josh McGillBreeding

By John M. Chater Professors Jude Grosser and Fred Gmitter have been breeding improved citrus varieties at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center (CREC) for decades. Over time, they have released several of their advanced selections. Many of these selections are sweet oranges. There is a subset of these creations …

CRAFT Reopens Existing Tree Therapies Program

Josh McGillCRAFT, planting

The Citrus Research and Field Trial (CRAFT) Foundation has reopened the application window for its Existing Tree Therapies Program. Applications will be accepted until 5 p.m. on Aug. 31. Participants will be selected through a random lottery, administered by a third-party entity. The program is designed to provide the industry with a better understanding of the best use patterns, combinations …

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 …

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 …

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All In For Citrus Podcast, April 2023

Josh McGillAll In For Citrus Podcast, Breeding, Events

April was a busy month for citrus events with both the Citrus Growers’ Institute and the Florida Grower Citrus Show taking place. Michael Rogers, director of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center (CREC), joined the All In For Citrus podcast to discuss the success of the two events. Both gatherings …