South Korean

South Korean Citrus Production and Trade Forecast

Daniel CooperCrop Forecast, International, Mandarins

The U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) recently forecast South Korean citrus production and trade for 2025–26. Tangerines and mandarins are the country’s dominant citrus varieties. TANGERINES/MANDARINS Korea’s tangerine/mandarin production is projected to increase 5.4% to approximately 570,000 metric tons (MT), thanks to favorable yield offsetting acreage loss.The tangerine/mandarin cultivation area in South Korea is projected to …

world

World Orange and Orange Juice Projections

Daniel CooperCrop Forecast, International

A recent U.S. Department of Agriculture Foreign Agricultural Service (USDA/FAS) report — Citrus: World Markets and Trade — included global fresh orange and orange juice projections for 2025–26. FRESH ORANGE Global fresh orange production is projected up slightly to 45.9 million tons on larger crops in Brazil and Egypt, more than offsetting decreased production in Turkey, the European Union and …

Influence of Rootstock on Growth, Productivity and Fruit Quality of Eureka Lemon

Tacy Callieslemons, Rootstocks

By Kim D. Bowman, Matt Mattia, Ranjeet Shinde and Flavia Zambon Profitability of the historic kings of citrus in Florida, sweet orange juice and fresh market grapefruit, has been severely reduced by the impact of huanglongbing (HLB) disease. Previous studies have demonstrated that lemon cultivars are generally more tolerant to HLB than sweet orange and grapefruit. Lemon trees continue cropping …

H-2A program

H-2A Program Use Soars

Daniel CooperLabor

The American Farm Bureau Federation (AFBF) recently reported key facts about use of the H-2A program. The vast majority of Florida citrus is harvested by temporary foreign workers through the H-2A program. The program continues to grow with 398,258 positions certified in fiscal year (FY) 2025. Nearly 50% of the certifications in FY 2025 work in just five states: Florida, …

Mexfly

Another Mexfly Quarantine Established in Texas

Daniel CooperPests, Regulation

Federal and state agriculture officials on Jan. 26 established a Mexican fruit fly (Mexfly) quarantine in Granjeno, Hidalgo County, Texas, designated the Granjeno quarantine. The U.S. Department of Agriculture Animal and Plant Health Inspection Service (APHIS) and the Texas Department of Agriculture (TDA) took the action. APHIS and TDA established the Granjeno quarantine in response to the detection on Jan. …

patent

Tango Mandarin’s Plant Patent Expires

Daniel CooperMandarins, Varieties

The University of California, Riverside (UCR), which developed the Tango mandarin in 2006, recently reflected on the variety’s success and noted that its patent has expired. Tango has generated more than $70 million in cumulative economic value for UCR. The virtually seedless, easy-peeling fruit has been marketed under brand names like Cuties and Halos. Now that Tango’s plant patent has …

economic

Ag Groups Plead for Economic Support for Farmers

Daniel CooperAgriculture, Economics

American farmers “are facing extreme economic pressures that threaten the long-term viability of the U.S. agriculture sector,” 56 agriculture organizations told congressional leaders in a Jan. 15 letter. California Citrus Mutual, Florida Citrus Mutual and Texas Citrus Mutual were among the letter’s signers. The letter went to the U.S. Senate majority and minority leaders and the House of Representatives speaker …

Georgia citrus

First U.S. Citrus Crop Forecast Issued for 2025–26

Daniel CooperCrop Forecast

The first federal forecast of the 2025–26 citrus season, issued Jan. 12, calls for continued decreased production of Florida oranges and grapefruit. The Florida lemon forecast increased and exceeds the state’s tangerine/mandarin forecast, which is flat. Other citrus-producing states are also included in the forecast, which was issued by the U.S. Department of Agriculture National Agricultural Statistics Service (NASS). FLORIDA …

performance

Study Shows Performance of New Rootstocks

Daniel CooperResearch, Rootstocks

A recent article provides estimates for the performance of Valencia orange grafted on new hybrid citrus rootstock cultivars developed by the U.S. Department of Agriculture-Agricultural Research Service (USDA-ARS). These estimates can help growers decide which rootstocks to plant in HLB-endemic regions. Authors of the article are Ariel Singerman of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), …

Mexfly quarantine

Mexfly Quarantines Impact Commercial Citrus in Texas

Daniel CooperPests, Regulation, Texas

The U.S. Department of Agriculture Animal and Plant Health Inspection Service (APHIS) and the Texas Department of Agriculture (TDA) recently established and expanded Mexican fruit fly (Mexfly) quarantine areas in Texas. PEÑITAS QUARANTINE On Dec. 12, the agencies established a Mexfly quarantine in Peñitas, Hidalgo County, designated as the Peñitas quarantine. This quarantine was established in response to the confirmed …

heart health

OJ Consumption Aids Heart Health

Daniel CooperOrange Juice, Research

A recent study has shown that regular orange juice (OJ) consumption can influence the activity of thousands of genes inside immune cells. Many of these genes help control blood pressure, calm inflammation and manage the way the body processes sugar, all of which play an important role in long-term heart health. The study followed adults who drank 500 milliliters of …

new

New Mexfly Quarantine in Texas

Daniel CooperPests, Regulation, Texas

On Dec. 5, U.S. Department of Agriculture Animal and Plant Health Inspection Service (APHIS) and Texas Department of Agriculture (TDA) officials established a new Mexican fruit fly (Mexfly) quarantine. Located in La Feria, Cameron County, Texas, it has been designated the La Feria quarantine. FOUND IN GRAPEFRUIT GROVE APHIS and TDA established the new quarantine in response to the Dec. …

tariffs

Update on Citrus Tariffs

Daniel CooperAs Seen On Instagram, Trade

California Citrus Mutual (CCM) recently reported on the changes to citrus tariffs as a result of President Trump’s executive order modifying the scope of the administration’s reciprocal tariffs. Lemons and mandarins remain subject to reciprocal tariffs, ensuring continued tariff parity during the domestic growing season. Oranges and limes were newly exempted, and grapefruit was exempted only during the month of …

Northern Hemisphere

Northern Hemisphere Citrus Forecast Released

Daniel CooperCrop Forecast, International

The World Citrus Organisation (WCO) has released its annual Northern Hemisphere citrus forecast for the 2025–26 season. The preliminary forecast is based on data from industry associations from the Mediterranean region and the United States. Citrus production for 2025–26 in the Northern Hemisphere is expected to decrease by 1.51% from the 2024–25 season, with a total of 27.397 million tons. …

Imperial County

First Psyllid in Imperial County Tests Positive for HLB Bacteria

Daniel CooperCalifornia Corner, Psyllids

An adult Asian citrus psyllid (ACP) sample collected from a rural residential property in Imperial County has tested positive for Candidatus Liberibacter asiaticus (CLas), the bacteria that causes huanglongbing (HLB). The ACP sample was collected from a citrus tree on Oct. 30 and was confirmed positive for CLas on Nov. 13. This is the first confirmed CLas-positive adult ACP found …

heavy

Texas Citrus: Heavy Crop but Smaller Fruit

Daniel CooperTexas

Texas citrus is showing heavy crops, but limited summer irrigation has led to smaller fruit sizes so far, said Juan Anciso of Texas A&M AgriLife Extension Service. Anciso is an AgriLife Extension vegetable specialist and associate head of the Department of Horticultural Sciences at the Texas A&M AgriLife Research and Extension Center in Weslaco. According to Anciso, quality continues to remain good to …

expanded

HLB and Medfly Quarantines Expanded

Daniel CooperCalifornia Corner, Pests, Regulation

California’s huanglongbing (HLB, also known as citrus greening) quarantine and its Santa Clara Mediterranean fruit fly (Medfly) quarantine were recently expanded. The U.S. Department of Agriculture Animal and Plant Health Inspection Service (APHIS) in cooperation with the California Department of Food and Agriculture (CDFA) expanded the quarantines. HLB The HLB-quarantined area in Riverside County was expanded by 3 square miles. …

NVDMC

CITRUS NURSERY SOURCE: NVDMC’s Research Initiatives for 2025–26

Daniel CooperCitrus Nursery Source, Research

By Peter Chaires Last month’s Citrus Nursery Source article promised additional details on New Varieties Development & Management Corp.’s (NVDMC) 2025–26 sponsored projects. While there is only space for general summaries, it is important to highlight the areas of focus for each research team, and the emphasis on short-term benefits while continuing to build a foundation for the future. NVDMC …

technology

See Citrus Technology in Action

Daniel CooperCalifornia Corner, Events, Technology

Citrus agricultural technology will be showcased on Dec. 5 in California. Six companies will demonstrate their technology during a VINE Connect Field Day at the University of California Agriculture and Natural Resources (UC ANR) Lindcove Research and Extension Center (REC) in Exeter. VINE Connect is a statewide commercialization program that helps proven ag tech companies bring their technologies to market …

Medfly

Medfly Quarantine Expansion

Daniel CooperCalifornia Corner, Pests, Regulation

Federal and state agriculture officials expanded the Santa Clara Mediterranean fruit fly (Medfly) quarantine twice in late October in California’s Alameda and Santa Clara counties. The U.S. Department of Agriculture Animal and Plant Health Inspection Service (APHIS) and the California Department of Food and Agriculture (CDFA) enacted the expansion. On Oct. 21, the agencies expanded the quarantine in response to …