Texas Canker Quarantine Expanded Again

Josh McGillCitrus, Diseases, Texas

The U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (APHIS) and the Texas Department of Agriculture (TDA) have established five new quarantine areas for citrus canker in Brazoria, Galveston and Harris counties, Texas. They also expanded two existing quarantine areas for citrus canker in Brazoria, Fort Bend and Harris Counties, Texas, to prevent the spread of the disease. …

HLB: The Path Forward

Josh McGillHLB Management, Research

Rick Dantzler, chief operating officer of the Citrus Research and Development Foundation (CRDF), gave an update at the recent Florida Citrus Show on the latest efforts to find solutions to the HLB problem. Dantzler acknowledged the frustration growers have expressed in the long battle against the disease and the challenge it has presented to the research community. Because of this, …

Foliar Fungal Disease Round-up for 2022

Josh McGillDiseases, Florida, Fruit Drop

By Megan Dewdney The 2021 foliar fungal season was an easier than average year. The La Niña weather pattern predicted last fall came to pass, and the spring was relatively dry from January to the end of May with some rain in February and April. While citrus trees in Florida were likely drought-stressed, the dry weather slowed the usual decomposition …

Trial Confirms Benefits of IPCs

Josh McGillFlorida, HLB Management, Pests

Individual protective covers (IPCs) on citrus trees have become a more common sight in Florida groves in recent years. The bags that cover young trees exclude the Asian citrus psyllid (ACP) from feeding on the plants, thus protecting them from HLB. Some estimates suggest that more than 1 million IPCs are now deployed in the state’s citrus groves. During the …

Georgia Citrus Association Conference Coming Up

Josh McGillGeorgia, Nutrition, Organic, Production

The Georgia Citrus Association invites growers and industry members to its annual conference on Feb. 28 at the University of Georgia Tifton Campus Conference Center. The event will last from 9 a.m. to 4 p.m. and includes topics like regenerative farming, organic production, nutrient management, winter production and new varieties. “We’re super excited because we didn’t get to have the …

Workshop to Focus on Irrigation and Nutrition

Josh McGillEducation, Irrigation, Nutrition

Citrus growers depend on the latest information about best irrigation and nutrition strategies for growing productive trees. University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers will share recent results regarding optimal crop management at a workshop and field visit opportunity on Feb. 8 at the Citrus Research and Education Center (CREC) in Lake Alfred. Davie Kadyampakeni, assistant …

Achieving Successful Nursery-Grower-Researcher Partnerships

Josh McGillResearch, Rootstocks, Tip of the Week

By Bill Castle, Fred Gmitter and Jude Grosser The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center (CREC) plant improvement team has long been engaged in field research to evaluate new scions and rootstocks. That effort continues and has involved trials on public and private property. While public sites are valuable, they are …

Increasing Pesticide Effectiveness With Adjuvants

Josh McGillCEU

By Ajia Paolillo Editor’s note: THIS ARTICLE IS NO LONGER AVAILABLE FOR CEU CREDIT. Pesticides are widely used in commercial agriculture to manage insects and other arthropods, diseases and weeds. Each application needs to be as effective as possible in managing the target pest. Many factors, such as environmental conditions, tank-mix incompatibility and solution pH, can cause a pesticide application …

Avoid Phytophthora When Planting

Josh McGillDiseases, Research

Phytophthora infection can lead to severe stunting in newly planted citrus trees, researcher Megan Dewdney told growers and others at a Jan. 19 presentation at the Citrus Research and Education Center in Lake Alfred, Florida. She said stunted trees never thrive or produce adequate fruit. Dewdney is a University of Florida Institute of Food and Agricultural Sciences plant pathologist. She …

CRDF Funds Fruit Drop Research, Hears Antibiotic Presentations

Josh McGillDiseases, Research

The Citrus Research and Development Foundation (CRDF) governing board on Jan. 25 approved a project aimed at reducing fruit drop by using potassium, zinc, gibberellic acid and the herbicide 2,4-D in different timing scenarios. The funding will allow University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researcher Fernando Alferez to finish two years of work that CRDF Chief …

Ezell to Lead Highlands Citrus Growers

Josh McGillIndustry News Release

Emma Reynolds Ezell will become president of the Highlands County Citrus Growers Association (HCCGA) board of directors during the association’s March 3 annual meeting. Ezell previously served as president in 2015 and has been on the association’s board of directors since 2014. She is involved in both her own and her family’s citrus growing, caretaking and harvesting business. Ezell is …

PIECES OF THE PAST: A Day in DeLand Evokes Citrus History

Josh McGillPieces of the Past

By Brenda Eubanks Burnette I was recently in DeLand visiting the Stetson Mansion and decided to also visit the West Volusia Historical Society. It was closed, but I came across a bust of Lue Gim Gong in the memorial garden that was dedicated to him, so I looked up the society’s website, www.delandhouse.com, and found some fascinating information.    I …

Sneak Peek: February 2022 Citrus Industry

Josh McGillSneak Peek

In the February issue of Citrus Industry magazine, Florida growers will find out what diseases to watch for this season. Megan Dewdney’s annual foliar fungal disease round-up reports on what some of the major problems are likely to be in 2022. The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) plant pathologist and Extension specialist provides tips on …

Plan Insect and Mite Management for 2022

Josh McGillHLB Management, Pests, Tip of the Week

By Lauren Diepenbrock Insect and mite management is a year-round challenge in Florida citrus. With the warm climate, pests are at the ready as soon as plant resources are available to them. With knowledge of insect and mite biology in relation to tree phenology, plans to protect fruit and maintain productive citrus trees can be developed. MAJOR PESTSPopulations of some …

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OJ Sales Still Strong

Josh McGillFlorida, Florida Department of Citrus, Orange Juice, sales

Orange juice (OJ) sales remain strong, with the 2021 holiday period closing near 2016 levels, Florida Department of Citrus (FDOC) economist Marisa Zansler told the Florida Citrus Commission on Jan. 19. Total OJ volume movement for the holiday period ending Jan 1, 2022, was 37.9 million gallons, an increase of 2 million equivalent gallons compared to 2019. The gains are …

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All In For Citrus Podcast, January 2022

Tacy CalliesAll In For Citrus Podcast

It’s tough to be a citrus grower in Florida right now. In the January All In For Citrus podcast episode, Michael Rogers discusses the challenging environment for growers. Below-average prices and low yields are among the major obstacles. However, the UF/IFAS citrus researchers and Extension agents continue to work hard on behalf of growers, looking for tools they can use …

Preying on Asian Citrus Psyllids and Other Pests

Josh McGillHLB Management, Pests

By Jawwad A. Qureshi and Azhar A. Khan The Asian citrus psyllid (ACP), Diaphorina citri, invaded Florida over two decades ago. The need to consistently suppress it became apparent soon after detection and particularly after discovering huanglongbing (HLB) disease, which it spreads. Managing HLB depends strongly on vector control to either reduce disease transmission of healthy trees or reinoculation. Single …

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Give Trees a Good Start

Josh McGillHLB Management

Megan Dewdney told citrus growers how to give young trees a good start in the face of HLB. Her Jan. 19 presentation was held at the Citrus Research and Education Center in Lake Alfred, where she is a University of Florida Institute of Food and Agricultural Sciences plant pathologist. Trees need a robust, established structural root system before they are …

Agent Has Pest Management Advice

Josh McGillPests

Highlands County Extension agent Lourdes Pérez Cordero recently offered scouting and management suggestions for citrus leafminers (CLM), Asian citrus psyllids (ACP) and rust mites. The suggestions were part of an article in the January issue of Citrus from the Ridge to the Valley, the Central Florida citrus Extension newsletter. CITRUS LEAFMINERS The emergence of spring and summer flush benefits CLM, …