Update on Sweet Orange Scab in California

Josh McGillCalifornia Corner, Diseases

A California researcher recently provided an update on sweet orange scab (SOS). The fungal disease has been detected in the state 18 times since 2013. University of California, Riverside professor and plant pathologist Jim Adaskaveg said most of the detections have been in Southern California, especially in Imperial County. Eleven detections have been in commercial lemon orchards, three in commercial …

Japanese Diagnostic Method Targets Breeding Rights Violations

Josh McGillBreeding, International

Citrus is the third most important agricultural product in Japan. The success of the Japanese citrus industry is attributed to the development of new cultivars that are free of pests and diseases, climate-resilient and exhibit superior fruit quality. There has, however, been a growing concern over the infringement and violation of breeding rights of citrus cultivars developed in Japan. This …

Angle Named University of Florida Interim Provost

Josh McGillEducation, Florida

J. Scott Angle, head of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), will serve as UF’s interim provost when Joseph Glover steps down in July. Angle will continue to lead UF/IFAS with executive decision making and strategic direction. Robert Gilbert, current UF/IFAS dean of research, will handle day-to-day administration for the organization in the interim. In …

Fair Access to Agriculture Disaster Programs Act Introduced

Josh McGillLegislative

U.S. Representatives Jimmy Panetta of California and Kat Cammack of Florida have introduced bipartisan legislation to reduce income barriers that producers face in accessing agriculture disaster assistance. The Fair Access to Agriculture Disaster Programs Act aims to ensure that basic safety-net programs for producers are readily available to help full-time farmers recover following natural disasters. Current adjusted gross income (AGI) …

Managing Micronutrients in HLB-Affected Trees

Josh McGillNutrition, Tip of the Week

By Davie Kadyampakeni Nutrients are needed for optimal tree growth, fruit yields and juice quality. Any nutrient deficiencies could result in low yields and decreased revenue, so it is essential to make sure citrus trees receive adequate nutrient supplies at all times. Micronutrients, though required in minute quantities, are especially important for citrus trees impacted by citrus greening. Examples of …

Identifying HLB Therapeutics With CTV-Based Vectors

Josh McGillHLB Management, Research

By Choaa A. El Mohtar Projected citrus production in Florida for the 2022–23 season is less than 20 million boxes. This is more than a 90% decrease compared to the 2003–04 season, which was around 292 million boxes. The main reason for the decrease is huanglongbing (HLB) disease. The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus …

PIECES OF THE PAST: Centennial Celebrations

Josh McGillMiss Florida Citrus, Pieces of the Past

By Brenda Eubanks Burnette Gap Kovach, formerly head of HESCO, recently sent me a surprise packet of goodies for the Citrus Archives that included citrus labels, the 1986 Miss Florida Citrus program and the Winter Park Public Library 1985 calendar. The calendar was in honor of the library’s centennial celebration and featured numerous Florida citrus crate labels “as a salute …

Critical Minerals Bill Seeks to Secure Fertilizer Supplies

Josh McGillLegislative, Nutrition

Four members of Congress have introduced a bill to include phosphate and potash on the final List of Critical Minerals of the U.S. Department of the Interior. The U.S. representatives are Kat Cammack of Florida, Barry Moore of Alabama, Elissa Slotkin of Michigan and Jimmy Panetta of California. “A nation that cannot feed itself is not secure,” Cammack said. “Without …

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CRDF Research Priorities Include Trunk-Injection Therapy

Josh McGillCRDF, Research

The Citrus Research and Development Foundation (CRDF) held its June board of directors meeting in conjunction with Florida Citrus Mutual’s Florida Citrus Industry Annual Conference in Bonita Springs. The June gathering is when the CRDF board passes its budget for the next year. The board funded a project by Zhanao Deng, professor of environmental horticulture with the University of Florida …

Propagation Program Update on Donaldson and Other Trees

Josh McGillFlorida Citrus Commission, Florida Department of Citrus, HLB Management

The Florida Citrus Commission (FCC) on June 14 received an update about a program for expedited propagation, in which 23 nurseries are participating. The goal of the expedited tree propagation program is to have several million HLB-tolerant or HLB-resistant trees planted in the next several years. Rosa Walsh, Florida Department of Citrus (FDOC) director of scientific research, provided the update. …

No Perfect Tree Spacing for Multiple Objectives

Josh McGillCalifornia Corner, planting

Looking for the perfect tree planting density to meet all of your objectives for citrus fruit quality and yield? That may not be possible, University of California Cooperative Extension’s Craig Kallsen said in a recent talk about planting density’s impact on navel orange yield and quality.  The citrus and pistachio farm advisor for Kern County gave the example of a …

Mandarin Production Set to Soar in Chile

Josh McGillCrop Forecast, International, Mandarins

In 2022–23, mandarin production in Chile is projected to increase by 26.5% and total 215,000 metric tons (MT), the U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) reported on June 2. The increase is driven by a rise in yields and new orchards reaching production. Mandarins include clementines and tangerines. Yields this year recovered as rainfall reached more normal …

Using Cover Crops to Improve Soil Health

Josh McGillCover Crops, Soil Health

By Sarah Strauss, Emma Dawson and Elena Karlsen-Ayala The term “soil health” has become increasingly popular in the last several years. While there are many definitions of soil health, one of the more commonly cited ones is from the U.S. Department of Agriculture (USDA) Natural Resources Conservation Service (NRCS). It defines soil health as “…the continued capacity of a soil …

New CUPS Research Results Reported

Josh McGillCUPS

Positive results from experiments with photoselective shadecloth for color break and with plant growth-promoting bacteria for tree health were reported at a June 14 citrus under protective screen (CUPS) seminar. Presenter Arnold Schumann also gave an update on the generous fruit yields being generated in CUPS. Schumann is a University of Florida Institute of Food and Agricultural Sciences Citrus Research …

H-2A Visa Fees to Increase June 17

Josh McGillLabor, Regulation

The U.S. Department of State (DOS) fees for petition-based non-immigrant visas for H-2A temporary foreign workers will increase on June 17, Florida Fruit & Vegetable Association (FFVA) reported. The final rule from DOS will increase the H-2A visa fees by 7.9%, from $190 to $205, less than DOS originally proposed in 2022. In its original proposal, DOS would have increased …

Grower Observations on OTC Trunk Injection

Josh McGillHLB Management

Highlands County Citrus Growers Association (HCCGA) President Aaron Nelson recently shared observations about trunk injection of oxytetracycline (OTC) for trees with HLB. The first formulations for citrus trunk injection became available in January. His observations follow: Over the course of the last six months there have been countless hours spent injecting millions of trees all over the state. What follows …

Deadline Set for Florida Land Protection Program

Josh McGillLand

The Florida Department of Agriculture and Consumer Services (FDACS) announced that landowners can apply online to the state’s Rural and Family Lands Protection Program (RFLPP) until 5 p.m. on July 27. The department will review the applications for eligibility. The program, which partners with farmers and ranchers through conservation easements, aims to safeguard working agricultural operations. “Florida’s agricultural lands are …

House Passes Block Grant Assistance Act

Tacy Callieshurricane, Legislative

Rep. Scott Franklin (FL-18) announced the House of Representatives passed the Block Grant Assistance Act on June 12. This critical bill provides needed authority for the U.S. Department of Agriculture (USDA) to issue block grants to growers devastated by Hurricanes Ian and Nicole. It now heads to the Senate for consideration. Those supporting the Block Grant Assistance Act include Florida …

Greater Lemon Production in Chile

Josh McGillCrop Forecast, International, lemons

Lemon production in Chile is expected to increase by 26.4% in 2022–23 and total 172,000 metric tons (MT), the U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) reported. Favorable climatic conditions and an increase in water supplies in the Coquimbo region pushed up lemon yields, and thus overall production. ACREAGEIn 2022–23, total area planted in Chile reached 8,080 hectares, …

Grower Achieves High Brix and Stops Drop

Josh McGillFruit Drop, Organic, Production

Low Brix has been a major problem plaguing the Florida citrus industry in recent years. While many growers are struggling to achieve the minimum required Brix level, this has not been an issue for citrus grower Chip Henry. He recently shared how he believes his organic production techniques contribute to high Brix as well as stopping premature fruit drop in …