Deficit Irrigation Could Improve Fruit Quality in CUPS

Josh McGillCUPS, Irrigation, Research

By Fernando Alferez, Daniel Boakye, Susmita Gaire and Tim Gast Growing citrus under protective screen (CUPS) structures for fresh fruit production is effective in controlling HLB disease by completely excluding the Asian citrus psyllid (ACP, Diaphorina citri). After several years of research on CUPS to grow HLB-free trees in Florida, and with commercial growers increasingly adopting this technology, there is …

CRAFT Cycle 4 Coming Soon

Josh McGillCRAFT, Florida, planting

The application window for Cycle 4 of the Citrus Research and Field Trial (CRAFT) program is expected to open in early October and remain open for a period of 60 days. Projects approved for year four of the CRAFT program in Florida will have a planting deadline of June 2024. CRAFT is working to finalize a presentation of factors of …

California’s Total Reported Citrus Acreage Slightly Up

Josh McGillAcreage, California Corner

California citrus acreage (bearing and nonbearing) planted in grapefruit, lemons, limes, mandarins and pummelos increased in 2022 when compared to 2020. However, the state’s orange acreage declined. That information was in the 2022 California Citrus Acreage Report by the California Department of Food and Agriculture in cooperation with the U.S. Department of Agriculture’s National Agricultural Statistics Service (NASS). Although orange …

Keller Is New Leader for Florida Citrus Association

Josh McGillCitrus, Florida

Emma Keller became executive director of the Peace River Valley Citrus Growers Association (PRVCGA) Aug. 8. Keller, who is finishing her senior year at Warner University, succeeds Kait Shaw. She is working on a degree in agricultural science with a minor in communications. Keller was born in Charlotte County, Florida. “I grew up on an orange grove in Punta Gorda,” …

Dundee to Double CUPS Acreage

Josh McGillCUPS

Dundee Citrus Growers Association (CGA) and its members will more than double the area growing fresh citrus under protective screen (CUPS) with the addition of a second CUPS project. The new project will be located in southern Polk County, just east of Fort Meade. “Once fully developed, the 622-acre parcel will contain approximately 500 acres of CUPS … bringing our …

Politics of Water Addressed at Expo

Josh McGillCitrus Expo, Nutrition, Water

Citrus growers have been watching developments with water regulation closely in recent years. The 2022 Florida legislative session addressed some issues that had developed with the state’s best management practices (BMPs) program. Ernie Barnett, president of the Florida Land Council, gave Citrus & Specialty Crop Expo attendees a recap of the BMPs changes and provided a big-picture perspective of the …

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Grower Response Needed After a Disaster

Josh McGillTip of the Week

By Christa Court Disaster events, such as extreme weather events (hurricanes, floods, droughts, etc.), have always been and will continue to be a threat for growers. Impacts to a citrus grove might include production losses associated with fruit drop from surviving trees and asset damages to buildings, machinery/equipment, irrigation systems and destroyed trees. Producers might also incur increased costs for …

Fire Ant Control Aids Psyllid Management

Josh McGillCitrus Expo, HLB Management, Pests

Controlling fire ants in groves aids in the control of HLB-spreading Asian citrus psyllids (ACP), entomologist Lukasz Stelinski reported at the Citrus & Specialty Crop Expo. Fire ant control was just one way that Stelinski suggested for growers to manage ACP while reducing costs. The University of Florida Institute of Food and Agricultural Sciences entomologist said ACP populations drop when …

Optimizing Gibberellic Acid Applications in Florida Citrus

Josh McGillFruit Drop, HLB Management

Tripti Vashisth, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) associate professor of horticultural sciences, has dedicated several years of research into the use of plant growth regulators like gibberellic acid (GA) to fight fruit drop in citrus. In the August All In For Citrus Podcast, Michael Rogers, director of the UF/IFAS Citrus Research and Education Center, interviewed …

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New Mexfly Quarantine for California

Josh McGillCalifornia Corner, Pests, Regulation

A portion of San Diego County in California has been placed under a quarantine for the Mexican fruit fly (Mexfly). The quarantine follows the detection of six flies and one larva in and around the unincorporated area of Valley Center. The quarantine will affect any growers, wholesalers, nurseries and retailers of host fruit or host plants in the area. The …

A Shift Toward Soil Microbes in Young Citrus Tree Care

Josh McGillCitrus, Sponsored Content

SUMMARY: Many Florida citrus growers have made the decision to shift their focus away from saving older HLB-infected trees and toward protecting and strengthening young citrus trees, using soil probiotics, before too much damage is done. Understanding citrus trees’ vascular systemsCitrus trees have developed a complex but effective circulatory system for the uptake, storage, and utilization of water and nutrients. …

Sneak Peek: September 2022 Citrus Industry

Josh McGillCitrus Expo, CUPS, Sneak Peek

The September issue of Citrus Industry magazine centers on two topics: citrus under protective screen (CUPS) research and a wrap-up from the Citrus & Specialty Crop Expo. Three articles cover the latest CUPS findings from the University of Florida Institute of Food and Agricultural Sciences. An article by Arnold Schumann and his colleagues includes a summary of seven seasons of …

Nurseries Approved for Expedited Propagation Program

Josh McGillFlorida Citrus Commission, Florida Department of Citrus, nurseries

The Florida Citrus Commission (FCC) on Aug. 24 approved agreements with 25 nurseries for the Program for Expedited Propagation of HLB Tolerant and Resistant Trees. The nurseries are: Agromillora Florida Inc. Ben Hill Griffin Inc. Blue Heron Nurseries LLC Brewer Citrus LLC Brite Leaf Citrus Nursery LLC Citrific Holdings Inc. CitriSun Nurseries LLC Cutrale Farms Inc. Dilley Citrus Nursery Inc. …

PIECES OF THE PAST: Of Men and Measures

Josh McGillPieces of the Past

By Brenda Eubanks Burnette I recently came across a paper by P.H. Rolfs in the 1935 Florida State Horticultural Society’s Annual Proceedings. It gave credit to J.A. Stevens for the first Florida Citrus Seminar in 1910 or 1911. It was held in “the old dormitory, Thomas Hall. There were no set lectures, simply laboratory demonstrations and explanations. The first call …

Psyllid Management Alert for Brazil

Josh McGillBrazil, HLB Management, Psyllids

The onset of rains in several regions of Brazil’s citrus belt has made it necessary for growers to pay added attention to citrus greening, Fundecitrus reported. The association of citrus growers and juice manufacturers from the state of São Paulo said the extra attention is needed due to the increase in greening-spreading psyllid populations in this period. Fundectirus reported that …

Solid Crop Needs to Survive Rust Mites

Josh McGillPests

Citrus growers in North Florida and South Georgia are expected to start harvesting in early November. While the crop still looks promising, producers need to keep an eye on rust mites, says grower Kim Jones. “Rust mites can still be a real danger at this point. With fresh fruit, we’ve got to have a pretty piece of fruit. That rust …

CRDF Reviews Audit and Analyzes Budget

Josh McGillCRDF, Research

The Citrus Research and Development Foundation (CRDF) board of directors gathered for its August meeting. Its first order of business was a review of an auditor’s report. “I’m pleased to report there were no findings. A clean audit is always good news,” said Rick Dantzler, chief operating officer of CRDF. The board dedicated time to the budget, analyzing funds available …

What to Do About Three Florida Citrus Pests

Josh McGillCitrus Expo, Pests

Entomologist Lauren Diepenbrock discussed control of three pests — lebbeck mealybug, Bulimulus sporadicus snails and diaprepes root weevils — at the recent Citrus & Specialty Crop Expo. The University of Florida Institute of Food and Agricultural Sciences researcher described the mealybug and snails as “new pest challenges” and diaprepes as the resurgence of an old pest. LEBBECK MEALYBUGLebbeck mealybug was …

California CRaFT Project Targets Psyllids

Josh McGillCalifornia Corner, Psyllids, Research

All commercial citrus producers in California are invited to apply for participation in the Citrus Research Board’s (CRB) California-focused Citrus Research and Field Trials (CA-CRaFT) project. The overarching goal of CA-CRaFT is to demonstrate the effects of additional mitigations on Asian citrus psyllid control within commercial citrus groves across the various citrus-growing regions in California. The project is supported by …