hlb

HLB Control in Brazil and Florida Compared

Daniel CooperBrazil, Florida, HLB Management

A recent issue of the Annual Review of Phytopathology contains the article, “Management of huanglongbing of citrus: Lessons from São Paulo and Florida.” It discusses the lessons in HLB management, comparing what was done in orchards in Brazil’s state of São Paulo and in Florida. It also highlights the measures that worked and failed from the perspective of controlling the …

nematodes

Sting Nematodes in the HLB Era

Daniel CooperPests

The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center hosted an OJ Break seminar in mid-May. Topics included management of nematodes, results of trunk-injection therapies and the use of cover crops in citrus. Larry Duncan, a UF/IFAS professor of nematology, presented research findings on the impact of sting nematodes in citrus. He provided …

citrus

All In For Citrus Podcast, May 2024

Daniel CooperAll In For Citrus Podcast

Late spring and early summer are busy times for University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus scientists. They are out in the field preparing new research projects for the coming season and assessing data from ongoing projects. Michael Rogers, director of the UF/IFAS Citrus Research and Education Center, discusses some of that work during the May …

Sweet Orange Scab

California Sweet Orange Scab Quarantine Area Expanded

Daniel CooperCalifornia Corner, Diseases, Regulation

The U.S. Department of Agriculture Animal and Plant Health Inspection Service (USDA/APHIS) is expanding the quarantine area in California for Elsinoë australis, the fungal causal agent of sweet orange scab (SOS). The expansion aligns with the state interior quarantine that the California Department of Agriculture (CDFA) implemented Oct. 1, 2023. SOS infection causes scab pustules that give fruit a corky …

annual meeting

CITRUS NURSERY SOURCE: Georgia Citrus Association Annual Meeting Focused on HLB and More

Daniel CooperCitrus Nursery Source, Events, Georgia

By Peter Chaires The Georgia Citrus Association held its seventh annual meeting on Feb. 27 at the University of Georgia (UGA) campus in Tifton. As usual, the event was well organized and well attended. The agenda included topics such as: It was a value-packed day. HLB RECOMMENDATIONS Roger Smith of TreeSource Citrus Nursery in Woodlake, California, traveled quite a distance …

finger limes

Cultural Practices for Finger Limes

Daniel CooperEvents, Limes

At a recent finger lime field day, horticulturist Tripti Vashisth reported that most citrus rootstocks do well with finger limes. She said that Volkamer lemon and X-639 create the most vigorous trees, and that they and US-812 seem to be promising rootstocks for finger limes. Vashisth is a University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) associate professor …

panel

Panel Discussions Highlight Florida Citrus Show Seminars

Daniel CooperBreeding, HLB Management

A pair of panel discussions during the citrus seminars at the Florida Citrus Show gave growers the opportunity to engage with experts on top-of-mind topics. BREEDER RECOMMENDATIONS The citrus seminar program started with a discussion among citrus breeders moderated by Flavia Zambon, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) assistant professor at the Indian River Research and …

diaprepes

Where to Watch for Diaprepes Root Weevil

Daniel CooperPests, Tip of the Week

By Larry Duncan Prior to the introduction of citrus greening disease in Florida, certain conventions applied to the occurrence and impact of diaprepes root weevil in groves across the state. The abundance and damage potential of this major pest were greatest in some Flatwoods habitats, such as parts of the inland East Coast where newly planted trees sustained major damage. …

field day

Finger Lime Field Day Draws Mostly Non-Citrus Crowd

Daniel CooperEvents, Limes

Only a few Florida commercial citrus growers were on hand for an April 24 finger lime field day at the Citrus Research and Education Center (CREC) in Lake Alfred. Most of the more than 40 attendees did not own citrus groves, and about half were women — definitely not the standard crowd for a CREC event. Those in attendance had …

summer

Covering the Basics of Summer Cover Crops

Daniel CooperCover Crops, Tip of the Week

By Sarah Strauss The recent rising temperatures are a reminder that summer is approaching, and the beginning of the rainy season is a great time to start planting cover crops. If you are looking for a method to invest in your soil health, cover crops are one option. By definition, cover crops are planted to improve soil health and are …

climate

Kaolin and Climate Impacts on HLB Addressed

Daniel CooperEvents, HLB Management

The impacts of kaolin and climate on HLB in Brazil were among topics addressed by researchers from Brazil’s Fundecitrus during the recent International Research Conference on HLB in Riverside, California. HLB is also known as citrus greening. Researcher Marcelo Miranda discussed results of a study on the use of processed kaolin in low doses to reduce the HLB-spreading psyllid population …

hlb

Rigorous HLB Control Works at Brazilian Farm

Daniel CooperBrazil, HLB Management

Fabrício Eustáquio Lanza, research coordinator at Brazil’s Cambuhy Agricola, recently told how his company has kept HLB at low and economically acceptable incidence levels. His presentation at the recent International Research Conference on HLB was based on a report he co-authored with Alexandre Tachibana, Ivan Brandimarte, Antonio Juliano Ayres and Renato Beozzo Bassanezi. The report follows: MANAGEMENT MEASURES Huanglongbing (HLB), …

Brazilian

Outlook for Brazilian Acreage and Production

Daniel CooperAcreage, Brazil, Production

A study by researchers Gilberto Tozatti, Mauricio Mendez and Rodolfo Castro indicated the likely future significant reduction in Brazilian citrus acreage and production due to huanglongbing (HLB or greening). The calculations are based solely on the current Brazilian Citrus Belt and do not consider future citrus projects happening in areas outside of it. Tozatti presented the study at the recent …

Organic Nutrient Sources

Optimizing Organic Nutrient Sources

Daniel CooperNutrition, Tip of the Week

By Davie Kadyampakeni The use of certified organic nutrient sources (manures, composts, biochar, biosolids, etc.) should be considered by Florida commercial citrus growers to improve the soil properties and long-term nutrient availability of the predominantly sandy soils. Use of the organic residues could be incorporated in the soil during tillage to plan a new grove or periodically to an existing …

citrus

Hacks and Suggestions for Georgia Citrus Growers

Daniel CooperGeorgia, Production

Citrus meetings are vital to a grower’s plan for the upcoming season. What they learn and take back to the grove can provide major benefits heading into the upcoming harvest season. The recent Georgia Citrus Association annual meeting provided a venue for growers to share management tips with their peers. Lindy Savelle, president of the Georgia Citrus Association, compiled a …

fresh

A Fresh Approach

Daniel CooperCRAFT, Fresh, Packing

Despite the challenges of the Florida citrus industry, Feek Family Citrus continues to successfully grow, pack and ship fresh fruit. In an effort to discourage his son from working in the citrus business, Doug Feek’s father gave him all the worst jobs to do in the family’s small grove. “He wanted me to save my back and work a desk …

citrus acreage

Florida Citrus Acreage Still Tops in United States

Daniel CooperFlorida, Land

As part of its recently published Florida Citrus Statistics 2022–23, the Florida Department of Agriculture and Consumer Services (FDACS) reported Florida’s citrus acreage at 332,256 acres, down 11% from the prior season. The net loss of 43,046 acres was 11,000 acres more than was lost the previous season. New plantings at 6,203 acres were down from the previous season. All …

growing

Growing Citrus With Soil Health in Mind

Daniel CooperCover Crops, Georgia, Soil Health

Herb Young enjoyed a 40-year career in the agricultural chemical industry, starting as a technical service representative and eventually becoming a product manager. During those years, he worked on various specialty crops across the country. About 25 years of his career was spent in field research roles. So, experimentation with crops and growing practices comes naturally to Young. He has …

fertilization

PIECES OF THE PAST: Reflections on Fertilization

Daniel CooperNutrition, Pieces of the Past

By Brenda Eubanks Burnette In his book, “The Cultivation of Citrus Fruits,” first published in 1926 by The MacMillan Company, H. Harold Hume covers a variety of topics, including the use of fertilizers and the different needs of young trees versus bearing trees. Following are insightful excerpts: “Young adult trees differ in their fertilizer requirements. Young trees use their food …

European

After Recent Challenges, Texas Citrus Looking Up

Daniel CooperProduction, Texas

The Texas citrus industry has faced numerous challenges in recent years, including Hurricane Hanna in 2020, winter storm Uri in early 2021 and droughts in both 2022 and 2023. After Uri, Texas grapefruit production was at about 1.6 million boxes for the 2021–22 season, down 33% from the previous year. Orange production was about 400,000 boxes, down 62%. Juan Anciso, Texas …