phytophthora

Phytophthora: A Complex Problem

Daniel CooperDiseases

While the recent Florida Citrus Growers’ Institute presentations focused mainly on HLB, other topics were addressed, including phytophthora root rot. This disease has become more problematic in recent years. Megan Dewdney, University of Florida Institute of Food and Agricultural Sciences associate professor of plant pathology, spoke on the topic. She noted that phytophthora already is a complex problem and that …

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 …

georgia

Big Yields Expected in Georgia

Daniel CooperGeorgia, Production

A December 2022 freeze in Georgia significantly reduced the state’s 2023 citrus production, but many growers anticipate a large crop in 2024. “With less fruit production in 2023, trees added a lot more vegetative growth and increased their canopy volume,” University of Georgia Extension citrus agent Jake Price noted. “The satsuma bloom at the research plot was very large and …

may

Sneak Peek: May 2024 Citrus Industry

Daniel CooperHLB Management, hurricane, Sneak Peek

Inside the May issue of Citrus Industry magazine, you’ll find photos and coverage from the Florida Citrus Show. The annual grower-focused event was held in Fort Pierce on April 3. A high point of the day was the outdoor trade show of exhibitors serving an array of tailgate-style foods to attendees. Educational programs included a general session on current agricultural …

Grove First

Grove First Project Seeks More Grower Cooperators

Daniel CooperHLB Management, Research

The Grove First project plans to expand next year and is seeking additional growers as cooperators. The project tests molecules directly in the field for their ability to treat HLB via trunk injection. The Grove First project differs from the common practice of starting HLB research in the laboratory, then moving to the greenhouse to be confirmed before going into …

orange forecast

Investing in New Citrus Plantings in Brazil Can Be Worthwhile

Daniel CooperBrazil, Economics, planting

A study by Brazilian citrus consultant Gilberto Tozatti indicated that even under high HLB pressure, but with reasonable prices, it is worth investing in new citrus plantings. Tozatti’s study, presented at the recent International Research Conference on HLB, received support from the Group of Citrus Consultants (GCONCI). Tozatti summarized his presentation: Brazil is the world leader in the production of …

growing matters

Growing Matters: BeSure! Campaign on Keeping Treated Seeds Covered

Daniel CooperBeSure!, Seed

The BeSure! campaign from the Growing Matters Coalition helps growers protect bees and other wildlife. To learn more about what we can do, we’re talking with Nick Tinsley, seed treatment technical field representative with BASF, who says one important action is to keep treated seeds covered. About Growing Matters BeSure! Growing Matters is a coalition of organizations and individuals committed to scientific discourse on the …

irrigation

Irrigation Frequency Critical to Fight Tree Stress

Daniel CooperIrrigation

During the month of April, Florida rainfall has been scarce. Groves are drying out after some areas enjoyed more rain than normal during the El Niño winter. The dry weather has growers busy running irrigation. Keeping HLB-infected trees well-watered is especially important to reduce plant stress. That was the message Tripti Vashisth, University of Florida Institute of Food and Agricultural …

nutrient availability

The Effect of Soil pH on Nutrient Availability

Daniel CooperNutrition

By Chris Oswalt Soil pH influences nutrient availability. This article considers the specific fate of nitrogen, phosphorus and potassium in soils with elevated pH values. The discussion also assumes that these effects would be similar to conditions in the wetted zone where micro-sprinkler irrigation has raised soil pH. NITROGEN Soil pH can affect several reactions involving nitrogen in the soil …

june

All In For Citrus Podcast, April 2024

Daniel CooperAll In For Citrus Podcast

April was a busy month for citrus events. The Florida Citrus Show was held April 3 in Fort Pierce followed by the Florida Citrus Growers’ Institute in Avon Park on April 9. These events were a topic of discussion between All In For Citrus podcast host Frank Giles and Michael Rogers, director of the University of Florida Institute of Food …

alternate bearing

In Georgia Owari Trial, Yields Peaked in 2021

Daniel CooperGeorgia, Research, Rootstocks

University of Georgia Extension agent Jake Price recently summarized yields for three recent seasons from Owari satsuma trees in a rootstock trial. Last year, 2023, was the last harvest year for data collection in the trial. Price reported that yield in the trial plot peaked in 2021 with a yield of about 20,300 pounds on 60 trees, which would be …

sprayer

PIECES OF THE PAST: Citrus Sprayer Innovation

Daniel CooperIrrigation, Pieces of the Past

By Brenda Eubanks Burnette In the early 1900s, there were a number of inventions made to help the growing citrus industry flourish. One of those inventions took place in Winter Haven at the Van Fleet Company in Florence Villa. The company manufactured the Van Fleet sprayer. An article in the May 1920 issue of The Citrus Industry magazine described it …

harvest+

Brazil’s Harvest+ Seeks Improved Citrus Harvesting

Daniel CooperBrazil, Harvesting

Brazil’s Fundecitrus, in partnership with the companies Agricef and Move Agro, has created the Harvest+ project that seeks to improve the country’s orange harvest. In addition to enhancing the manual harvesting process, the project is searching for mechanized and semi-mechanized solutions for citrus farming. Harvest+ is in response to demand from producers and companies that want equipment capable of harvesting …

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 …

grower

Grower Panel: OTC a Net Positive So Far

Daniel CooperEvents, HLB Management

Florida Citrus Mutual recently hosted a roundtable discussion about the performance of trunk-injection therapies as growers are making their second round of applications. The grower participants included Jim Snively, Southern Gardens Citrus; Glenn Beck, Beck Bros. Citrus and Wes Soria, Sorrells Citrus. University of Florida scientist Ute Albrecht also joined the panel to provide a research update. Rick Dantzler, chief …

breeding program

California Citrus Breeding Program Gets More Funds

Daniel CooperBreeding, California Corner

The presidents of the Citrus Research Board (CRB) and California Citrus Mutual (CCM) applauded congressional leaders for recently approving additional funds for the new citrus breeding program in Parlier, California. Congress is allocating an additional $500,000 in federal funding on top of the $1 million granted last year to expand the program into California. The program will now receive $1.5 million in …

research

Evolving Research Priorities for Florida Citrus

Daniel CooperCRDF, Research

Last week, growers convened in Avon Park for the annual Florida Citrus Growers’ Institute. The daylong seminar program provides updates on the latest research in the fight against HLB and other production issues facing growers. Rick Dantzler, chief operating officer of the Citrus Research and Development Foundation (CRDF), presented an update on the organization’s research priorities. He noted that CRDF …

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 …

planting

Determining Planting Density

Daniel CooperEconomics, planting

As growers grapple with planting new blocks in the HLB era, there has been considerable discussion about planting densities to optimize growth and yield. John Chater, assistant professor of horticultural sciences with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), has been working with growers in evaluating new varieties and rootstocks as trees are planted. TRENDING HIGHER …

SCFBA

Fruit and Vegetable Advisory Committee to Continue

Daniel CooperIndustry News Release

The U.S. Department of Agriculture Agricultural Marketing Service (USDA AMS) plans to renew the charter of the Fruit and Vegetable Industry Advisory Committee (FVIAC) for two years. The FVIAC’s current charter expires May 23. The purpose of the FVIAC is to examine the full spectrum of issues faced by the fruit and vegetable industry and suggest ways the USDA can …