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 …

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 …

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 …

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 …

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 …

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 …

Turkish Tangerines Rebound From Natural Disasters

Josh McGillCrop Forecast, International, Mandarins

Turkish production of mandarins/tangerines is forecast at 1.86 million metric tons (MMT) for 2022–23, up slightly from the previous season, the U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) reported. Prior season (2021–22) mandarin production was 1.81 MMT. Mandarins were less impacted than other Turkish citrus by freezing temperatures during blossoming in March 2022, USDA FAS stated. Also, the …

Growers Learn About Cost-Share Opportunities

Josh McGillEvents, financial

The Mid-Florida Research and Education Center in Apopka hosted the first annual Growing Together: Central Florida Partners for Agriculture Symposium on July 27. The event was for both beginning and experienced growers and explored various tax, regulatory and insurance issues farm businesses must deal with. Several presentations focused on irrigation and nutrient management and how growers can obtain cost-share funds …

Tau Fruit Fly

First Tau Fruit Fly Quarantine in Western Hemisphere

Josh McGillCalifornia Corner, Pests, Regulation

A portion of Los Angeles County has been placed under quarantine for the Tau fruit fly (Zeugodacus tau group) following the detection of more than 20 flies in the unincorporated area of Stevenson Ranch, near the city of Santa Clarita. The fly has a very wide host range, including numerous citrus varieties as well as a select range of native …

A Guide to Safe, Effective Pesticide Use

Josh McGillCEU, Pesticides

By Danielle S. Williams Editor’s note: This article grants one continuing education unit (CEU) in the Core category toward the renewal of a Florida Department of Agriculture and Consumer Services restricted-use pesticide license when the accompanying test is submitted and approved. Pesticides are vital tools in agriculture that help protect crops from pests and diseases. Pesticide use must be managed …

UF/IFAS Educational Programs at Expo

Josh McGillCitrus Expo, Education

University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus researchers and Extension staff will provide multiple educational programs at the Citrus & Specialty Crop Expo Aug. 16–17. The event will be held at a new location this year — the Florida State Fairgrounds in Tampa. Attendance is free to growers, but registration is required. UF faculty and staff …

Controlling Clustered Pellitory Weeds in Groves

Josh McGillweeds

Ajia Paolillo and Ramdas Kanissery with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) wrote in an Extension newsletter about clustered pellitory, a recently established weed in citrus groves. Paolillo is a multi-county citrus Extension agent. Kanissery is an assistant professor specializing in weed science.    Clustered pellitory is native to Florida and other areas in the southeastern …

Land Grant Research Prioritization Act Introduced

Josh McGillLegislative, Research

U.S. senators from Florida and Georgia have introduced legislation authorizing the U.S. Department of Agriculture (USDA) to make priority research grants available for land-grant universities. The grants would fund research and development of agricultural applications of artificial intelligence (AI), advanced mechanized harvester technologies, invasive species control and aquaculture. The senators who introduced the Land Grant Research Prioritization Act are Marco …

Another Attempt to Bring Back Aldicarb

Josh McGillPesticides

Pesticide-maker AgLogic has asked the Environmental Protection Agency (EPA) to approve use of the pesticide aldicarb on Florida oranges and grapefruit, the Center for Biological Diversity reported. The center, which opposes the approval, says it is dedicated to the protection of endangered species and wild places. The EPA approved a similar aldicarb request in the waning days of the Trump …

South Africa Lemon/Lime Production to Shrink

Josh McGillCrop Forecast, International, lemons, Limes

Fresh lemon/lime production in South Africa is forecast to shrink by 13% to 653,000 metric tons (MT) in 2022–23, the U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) reported recently. In the prior season, the country produced a record 748,000 MT. The yield reduction this year is due to hailstorm damage in the Eastern Cape in November 2022. PLANTINGS …