Keep CTV Under Control

Josh McGillDiseases, Tip of the Week

By Amit Levy Citrus tristeza virus (CTV) infects the citrus phloem. CTV infects almost all citrus varieties, but it causes different disease symptoms depending on the virus isolate, the citrus variety and scion-rootstock combination. Florida has three dominant strains of CTV: T36, a decline-causing strain T30, which normally does not cause severe disease VT, a stem-pitting causing strain CTV is …

Grower Gives Update on Work With Cover Crops

Josh McGillCover Crops, Production

Florida citrus grower Ed James shared his successful experience with cover crops during a recent event he hosted at his Howey-in-the-Hills grove. The event, sponsored by Sand to Soil Services, included talks from industry experts on soil health and plant nutrition. James said his production went to “zero” before he planted cover crops about 12 years ago. Production “gradually came …

Citrus Nutrient Deficiencies? There’s an App for That

Josh McGillDiseases, Nutrition, Pests, Technology

While sending citrus tissue samples to the lab for analysis remains important, the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) has developed a smartphone application (app) that can supplement lab analysis to identify leaf symptoms of key nutrient deficiencies and certain pests and diseases. Arnold Schumann, a professor of soil and water science with UF/IFAS, demonstrated how …

Diagnosing Herbicide Phytotoxicity in Citrus

Josh McGillweeds

By Ramdas Kanissery, Nimal Timilsina and Ruby Tiwari Chemical weed control is an essential component of the toolbox to keep weeds in check in citrus groves. Citrus growers primarily rely on herbicide to manage weeds due to their efficacy and cost-effectiveness. Despite their benefits, herbicides may have a wide range of unintended effects on citrus. For instance, an herbicide-related injury …

Rotate Psyllid Products, Fundecitrus Urges

Josh McGillBrazil, HLB Management

Brazil’s Fundecitrus has launched the Insecticide Rotation Guide for Psyllid Control. Its aim is to help producers control the insect vector of citrus greening, highlighting the importance of proper rotation of products to avoid the selection of resistant psyllids. The resistance of insects and mites to pesticides can compromise the effectiveness of products and, consequently, the control of the pest …

Alico Has Lower Production but Higher Prices

Josh McGillIndustry News Release, Production

Alico Inc. reported it had reduced orange production and lower pound solids per box during the six months that ended March 31. However, the company received higher prices per pound solids. For the period, Alico Citrus harvested approximately 4.1 million boxes of fruit, a decrease of 10.3% from the same period of the prior fiscal year. The decrease is principally related to fewer pieces …

Pests, Pathogens and IPCs

Josh McGillIPCs, Pests, Research

By Lauren Diepenbrock, Megan Dewdney, Fernando Alferez, Jawwad Qureshi and Ozgur Batuman Individual protective covers (IPCs) are becoming commonplace in citrus production to support the development of young trees after planting. IPCs are made of fine mesh and are intended to keep Asian citrus psyllids (ACP) off young plants. Because ACP can transmit the pathogen that causes citrus greening/huanglongbing, preventing …

Floridians Worry About Economic Outlook

Josh McGillEconomics, Florida

Jerry Parrish, an economist with Florida State University, returned to speak at the annual Lay of the Land Conference last month in Lakeland, Florida. Parrish is always a popular speaker for his big-picture economic outlook and engaging style. He is not a dull economist. Parrish said the major themes to watch for in 2022 are the Federal Reserve interest rates; …

Strong Season for Citrus Grower

Josh McGillFresh, Production, Weather

“The local market has improved since last season,” says citrus grower Chip Henry. “I’ve gained customers, and existing ones are buying more. When people know the fruit is being harvested, they seek out that local supply and want to support their local farmers.” Henry grows 12 acres of organic Valencias at McGuire Groves in Apopka, Florida, and sells his fruit …

CRDF Seeks Growers for Rootstock Trials

Josh McGillCRDF, Rootstocks

The Citrus Research and Development Foundation (CRDF) is seeking Florida citrus growers on the Ridge and in the flatwoods of Southwest Florida to potentially be grower-cooperators in large rootstock trials. The goal of the new trials is to identify plant material with the traits needed by growers to realize the highest possible pound solids per acre and increase tree viability …

Now Is the Time to Start Scouting for Rust Mites

Josh McGillPests, Tip of the Week

By Xavier Martini Rust mites are recurrent pests in Florida that pose problems mostly in fresh citrus production. While severe infestations can lead to fruit drop, leaf injury and abscission, rust mites cause aesthetic damage in the form of sharkskin or bronzing on the skin of fresh fruit (Figure 1A). Fresh fruit requires clean and undamaged skin, and any abrasions …

CUPS Grower: ‘It Is a Calculated Risk’

Josh McGillCUPS, Fresh

Although it was National OJ Day, the Southwest Florida Small Farmers Network held its spring meeting May 4 at a Polk County facility growing citrus for the fresh market. The Story Companies and Dundee Citrus Growers Association (CGA) conducted a tour of Story’s 11-acre citrus under protective screen (CUPS) pod. The Story pod is one of numerous such pods at …

An Alternative Approach to Citrus Greening

Josh McGillCitrus Greening, Florida, HLB Management

“Life as a citrus grower is a perilous journey,” says Chip Henry. Among the toughest perils the third-generation Florida grower has endured are the freezes of the 1980s, the threat of losing his land to highway construction, and the scourge of citrus greening. Henry’s story begins with the founding of O.E. McGuire Groves in Apopka by his maternal grandparents in …

Speeding the Search for an HLB Solution

Josh McGillHLB Management, Research, Varieties

By J. Scott Angle, jangle@ufl.edu, @IFAS_VP My hope is that your new citrus breeding team scientist will be a new Bill Castle on warp speed for an HLB solution. That is, John Chater will accelerate the search for citrus varieties that hold up against HLB. He’s got tens of thousands of places to search. Fred Gmitter and Jude Grosser have …

Performance

Grower and Researcher CUPS Collaboration

Josh McGillAll In For Citrus Podcast, CUPS, HLB Management

The spread of HLB in Florida citrus groves has forced growers and researchers to try all sorts of practices to fight off the disease’s devastating effects. One of the most successful methods has been planting citrus under protective screen (CUPS). The screen excludes the Asian citrus psyllid (ACP) and keeps HLB out of plantings. CUPS also is a great example …

Citrus Marketing Tactics Discussed

Josh McGillFlorida Department of Citrus, Marketing

Several of the approximately 30 participants in an April 29 webinar about citrus marketing tactics confirmed a presenter’s assertion that online shopping has become hugely popular. Speaker Chip Bates, executive vice president of Edible, the marketing agency for the Florida Department of Citrus (FDOC), said a majority of consumers would rather shop online than in a store. After making that …

National Orange Juice Day Celebrated on Social Media

Josh McGillCitrus

May 4 is the day to celebrate Florida’s signature crop — citrus that is squeezed into wonderfully delicious orange juice. That’s right, it’s National Orange Juice Day! People have taken to social media to mark the occasion. Here’s a few posts we captured.  Sponsored ContentTake Advantage of Rising Temperatures to Treat for Fire AntsJuly 1, 2025Take the Sting Out of …

Bee Sweet Citrus Adding New Mandarin Facility

Josh McGillCalifornia Corner, Mandarins

Bee Sweet Citrus is expanding its packinghouse to include a state-of-the-art mandarin facility adjacent to California Highway 99 in Fowler. Construction for the company’s new facility broke ground in early 2022. The facility is expected to be fully operational during the 2022–2023 citrus season. The 213,000-square-foot building will include cold storage; holding and degreening rooms; washing, sorting and packing lines; …