Trunk Injection Research Projects Summarized

Josh McGillCRDF, HLB Management

The Citrus Research and Development Foundation (CRDF) recently issued a report describing some of its projects testing the injection of oxytetracycline (OTC) into trees as an HLB treatment. 1. Lukasz Stelinski and Kirsten Pelz-Stelinski, both of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), are measuring the impact of OTC injection on the Asian citrus psyllid (ACP) …

South African Grapefruit Production Up

Josh McGillCrop Forecast, Grapefruit, International

South African grapefruit production is forecast at 420,000 metric tons (MT) for 2022–23 by the U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS). That’s up slightly from prior-year grapefruit production of 416,000 MT. ACREAGE AND VARIETIESSouth Africa’s planted grapefruit area has grown by 18% over the past seven years, mainly driven by a surge in global demand, especially in …

International Flavor Summit Returns in March

Josh McGillEvents, International

The third International Flavor Summit will take place on March 4–6, 2024, in Orlando, Florida. The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center (CREC) and the UF Center for Smell and Taste will once again co-host the event. The conference will be held at the Holiday Inn Lake Buena Vista within walking …

Stelinski Elected Entomological Society Fellow

Josh McGillAwards

Lukasz Stelinski, a University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) entomology professor, has been elected a fellow of the Entomological Society of America (ESA) for 2023. He is one of six recognized for outstanding contributions to entomology via research, teaching, Extension, administration, military service or public engagement and science policy. Stelinski works at the UF/IFAS Citrus Research …

Alico Discusses Trunk Injection and Next Season

Josh McGillHLB Management

Alico, Inc. began treating citrus trees in January 2023 with an oxytetracycline (OTC) product via trunk injection as a citrus greening therapy. “Through June 30, 2023, we have treated over 35% of our trees with OTC, which is expected to mitigate some of the impacts of citrus greening and is expected to decrease the rate of fruit drop, as well …

valencia orange

Freeze to Cut Orange Production in Turkey

Josh McGillCrop Forecast, freeze, International

Turkey is forecast to produce 1.32 million metric tons (MMT) of fresh oranges in 2022–23, down from 1.75 MMT in 2021–22. The decrease is due to freezing weather conditions during the orange-blossoming period in March 2022. The U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) issued the updated forecast. The yield decrease in 2022–23 was heaviest in the Washington …

Optimism

Efforts Continue to Obtain Federal Funding for Hurricane Relief

Josh McGillfinancial, hurricane

Florida Citrus Mutual (FCM) reported that Congress was expected to receive a supplemental funding request from the White House Office of Management and Budget (OMB) in early August. “We worked with Congresswoman Debbie Wasserman Schultz to craft a letter urging (OMB) Director Shalanda Young to include relief for Florida’s farmers in their (OMB) request,” FCM Executive Vice President/Chief Executive Officer …

South Africa Mandarin Production to Grow

Josh McGillCrop Forecast, International, Mandarins

Tangerine/mandarin production in South Africa is forecast by the U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) to grow by 6% in 2022–23 to 680,000 metric tons (MT). There is a growing trend to establish new orchards under netting, which has improved water efficiency, yields and the overall quality of mandarins in South Africa. INCREASED PLANTINGSThe South African tangerine/mandarin …

Return-on-Investment Potential of CUPS

Josh McGillCUPS, Economics, HLB Management

By Ariel Singerman and Arnold W. Schumann To exclude the Asian citrus psyllid (ACP, Diaphorina citri) vector of huanglongbing (HLB) and thereby produce disease-free healthy fruit, fresh citrus can be grown under protective screen structures. The expected economic benefit from adopting citrus under protective screen (CUPS) and excluding the ACP is increased yield and quality of fruit, which in turn, are …

campaign

Psyllids Reach Historically High Levels in Brazil

Josh McGillBrazil, HLB Management, Psyllids

Populations of Asian citrus psyllids in the Brazilian states of São Paulo and Minas Gerais have hit historically high levels, Fundecitrus recently reported. Fundecitrus described the development as “alarming” because the psyllids spread citrus greening disease.  Reversing the situation requires immediate and joint action among citrus growers in the same micro-region, Fundecitrus stated. It reported that in the first half …

Less EU Lemon and Grapefruit Production

Josh McGillGrapefruit, International, lemons

The U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) reported that European Union (EU) production of lemons and grapefruit will decline in 2022–23 compared to the prior season. LEMONEU lemon production is forecast at almost 1.5 million metric tons (MMT), down 9.5% from 2021–22 due to estimated lower production in Spain, despite a rebound expected in Italy. EU lemon …

Hurricane Ian Assistance Deadline Extended

Josh McGillfinancial, hurricane

The U.S. Department of Agriculture (USDA) has extended the deadline for applications from agricultural producers for the Emergency Conservation Program (ECP) to address damages from Hurricane Ian in Florida. The application deadline has been extended to Sept. 25, 2023. The 28 approved counties for ECP signup are Brevard, Broward, Charlotte, Clay, Collier, DeSoto, Flagler, Glades, Hardee, Hendry, Highlands, Hillsborough, Indian …

orange

Outlook for Brazil’s 2023–24 Orange Crop

Josh McGillBrazil, Crop Forecast

The total Brazilian orange crop for 2023–24 is forecast at 410.6 million 40.8-kilogram boxes, a decrease of 1.1% from last season, the U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) reported recently. The commercial area of the state of São Paulo and the western part of Minas Gerais should produce 309 million boxes, a decrease of 1.55% from last …

Hairy Approach May Get to the Root of HLB

Josh McGillHLB Management, Research, Texas

Developing disease-resistant, high-quality improved crop varieties may seem like a “hairy” task, but Texas A&M AgriLife Research scientists may have gotten to the root of the issue. A new biological technology that develops and multiplies disease-resistant citrus plants is under development by an AgriLife Research team led by Kranthi Mandadi. Mandadi is an associate professor at the Texas A&M AgriLife Research …

slug and snail

Developing Management for a New Snail Pest

Josh McGillPests

By Lauren Diepenbrock A recently established snail species, Bulimulus bonariensis (also known as Bulimulus sporadicus), has been growing in population throughout the Southeast for the past few years. Growers first reported concerns about this snail in 2020 when they found the pest covering microjets and interfering with irrigation in the late spring/early summer (Figure 1). At the time, it was …

Drinking Orange Juice Lowers Dementia Risk

Josh McGillOrange Juice, Research

A recent study finds that moderate consumption of up to one cup per day of natural juices, such as 100% orange juice (OJ), lowers the risk of dementia. Inversely, consuming up to two cups per day of artificially sweetened beverages, and more than two cups per day of sugar-sweetened beverages, increases the risk of dementia. The study was published by …

sales

European Union OJ Production to Fall

Josh McGillInternational, Orange Juice

European Union (EU) orange juice (OJ) production in 2022–23 is forecast at 64,421 metric tons (MT), down 20% from the previous season, the U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) reported. The volume of oranges destined for processing depends on overall orange production as well as the quality and size of the fruit destined for the fresh markets …

How to Access CRAFT Grower Data

Josh McGillCRAFT, HLB Management, Research

The Citrus Research and Field Trial Foundation, Inc. (CRAFT) has a website with a public dashboard that houses the data that participating growers have submitted. A recent University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Extension newsletter included an article describing how to access the data from the CRAFT grower field trials. The article, summarized here, was written …

orange market

Origin of Oranges Can Be Determined

Josh McGillInternational

A Citrus Australia study has used trace elements or isotopes to determine if an orange originated in Australia as opposed to another country. Using the same techniques, researchers can differentiate place of origin of Australian oranges into one of the five Australian growing regions. The first-of-its-kind study was conducted through an Agriculture Victoria Food to Market program. Citrus Australia noted …

CRDF Board Focused on HLB Treatments

Josh McGillCRDF, HLB Management, Research

The Citrus Research and Development Foundation (CRDF) board of directors meeting in July focused largely on the use of oxytetracycline (OTC) as an HLB treatment in citrus. The board considered projects testing it in combination with other antimicrobial compounds or as a standalone treatment. Trunk injection of OTC has given the Florida citrus industry hope that it might be a …