Evaluation of Citrus × Microcitrus Hybrid Scions

Josh McGillResearch, Varieties

By Ute Albrecht, Anas Fadli and Chandrika Ramadugu Most commercially available citrus scion cultivars are highly attractive to the Asian citrus psyllid and susceptible to HLB. There are some citrus species, however, that are HLB tolerant or resistant. This may be because they are less attractive to the psyllids and/or because they restrict pathogen proliferation and therefore HLB disease development. …

Lebbeck Mealybug on the Move in Florida Groves

Josh McGillAll In For Citrus Podcast, Pests

In the May episode of the All In For Citrus podcast, Lauren Diepenbrock, an entomologist with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), discusses her research on the lebbeck mealybug. The pest was first identified in Florida in the Boynton Beach area in 2009 in a natural habit. “It was not until 2019 that we found …

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 …

Chile Ships First Citrus of Season to United States

Josh McGillCrop Forecast, International

The Chilean citrus season began recently with the first shipment of clementines to the United States. Chile, the largest exporter of citrus in the southern hemisphere, will also supply mandarins, navel oranges and lemons to the United States. Promotional support will run from June to October. The forecast for citrus production in Chile is 45,000 tons of clementines, 120,000 tons …

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 …

Hunt Bros. Packinghouse Closing

Josh McGillPacking

The Hunt Bros. citrus packinghouse in Lake Wales will close for good at the end of this season, primarily due to the impacts of Hurricane Irma on company groves in 2017. The family-owned packinghouse opened in 1928. Frank Hunt III, an owner, discussed the closing in an April 22 letter to employees: “It was certainly our desire to keep it …

Cold-Hardy Citrus Is New Researcher’s Focus

Josh McGillCold Hardy, Research

Muhammad Adnan Shahid in January joined the University of Florida Institute of Food and Agricultural Sciences’ (UF/IFAS) North Florida Research and Education Center (NFREC) as assistant professor of horticulture/fruit crops specialist. His Extension goal is providing fruit producers, particularly cold-hardy citrus growers, with relevant, research-based information for improving productivity, profitability and produce quality. Shahid is interested in evaluating new early …

Greasy Green Research Approved

Josh McGillCRDF, Diseases, Research

Due to the initiative of the Indian River Citrus League (IRCL), the Citrus Research and Development Foundation (CRDF) has approved research funding for the greasy green defect on citrus fruit. At a 2021 IRCL board meeting, the issue of greasy green spot was brought up by Tim Sallin of IMG Citrus. Other growers at that meeting also shared their experience …

Texas Region Plans Citrus Revival

Josh McGillCitrus, Texas

The area of Falfurrias, Texas, was a very prosperous citrus-growing region from 1909 until 1951, according to Romulo Montilla, who has a ranch there. “However, in 1951 there was a freezing temperature that killed close to 90% of the citrus. In 1967, the remaining citrus was eliminated with another terrible freeze.” Montilla and others recently began working to return citrus …

Tariffs to Decline on Australian Citrus Exports to India

Josh McGillInternational, Trade

India and Australia have reached an interim outcome in free trade agreement negotiations that will reduce tariffs on Australian citrus exports by 50%. When enacted, the interim agreement will allow the entry of 13,700 tons of Australian citrus into India at a reduced tariff of 15%. The agreement coincides with a renewed effort by Citrus Australia to increase exports to …

Talking Citrus for 60 Years

Josh McGillCitrus, Florida

By Ernie Neff In every Florida citrus community, there are many growers who have been close friends most of their lives. They grew up in the country or small cities not far from each other, went to the same high schools and know the same people. They share the struggles — and before HLB, the joys — of growing citrus. …

Slow Progress for Port Problems

Josh McGillCalifornia Corner, Trade

California ports remain a critical logjam for products shipped in or out of the country. However, fresh fruit, including California citrus products, is managing to get to foreign markets. Shipping specialist Taylor Ball said “Fruit is getting shipped, but there is a lot of stress and worry involved. But demand remains high, and the prices are good.” Ball manages West …

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Improving Color Break and Brix in CUPS

Josh McGillCUPS, Production, Research

Arnold Schumann recently reported on what he called “the most successful and practical intervention for improving color break and quality in CUPS fresh fruit.” CUPS stands for citrus under protective screen, a growing technique that Schumann, a University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researcher, helped pioneer in Florida. He reported on his work at a Feb. …

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 …

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, …

Gibberellic Acid Label Concerns Allayed

Ernie NeffAll In For Citrus Podcast, HLB Management

University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers have found that gibberellic acid (GA) applications can improve productivity of HLB-affected Valencia trees. But some growers are concerned that the GA label may not allow that use. Citrus Research and Education Center Director (CREC) Michael Rogers allays that concern. Rogers says some are concerned “because the recommendations that …

The Case for Sugar Belle® in OJ

Ernie NeffOrange Juice

A pitch for potentially using the HLB-tolerant Sugar Belle® mandarin hybrid in orange juice (OJ) has been made by University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers. A brief presentation titled, “Potential of Using HLB-Tolerant Sugar Belle® in Orange Juice Processing and Effects on Consumer Preference,” is available for viewing. Slides in the presentation indicate that a …

Produce Safety Rule Inspections: What You Need to Know

Tacy CalliesFood Safety

By Taylor O’Bannon, Matt Krug, Michelle Danyluk, Chelsea Peebles and Kirby Quam Produce Safety Rule (PSR) inspections conducted by the Florida Department of Agriculture and Consumer Services (FDACS) are continuing throughout the state as compliance dates for all farm sizes have now passed. The industry is also nearing the compliance date set by the Food and Drug Administration (FDA) for …