recommendations

Gibberellic Acid May Help Manage Alternate Bearing

Daniel CooperCold Hardy, Production

A common management tool that Florida citrus growers use to improve the health of trees impacted by citrus greening disease could be a valuable resource for cold-hardy producers — but for a different reason. Mary Sutton, University of Georgia assistant professor and citrus Extension specialist, discussed the tool gibberellic acid (GA) at the recent Southeast Regional Fruit and Vegetable Conference …

brassinosteroids

Unraveling the Mechanisms Leading to Prolonged Tree Health by Combining IPCs and Brassinosteroids

Daniel CooperHLB Management, IPCs, Tip of the Week

By Fernando Alferez, Divya Aryal and Saoussen Ben Abdallah University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) research in the last three years has found that the combined use of individual protective covers (IPCs) and brassinosteroids (BRs) enhances protection of citrus trees against HLB and other diseases that limit citrus production in Florida. The research has been conducted …

South African

South African Orange and OJ Production Forecast

Daniel CooperCrop Forecast, International

The U.S. Department of Agriculture Foreign Agricultural Service (USDA/FAS) recently forecast production and trade for South African oranges and orange juice (OJ) in 2025–26. ORANGES South Africa’s 2025–26 orange production is forecast to increase by 1% from 2024–25, to 1,850 million metric tons (MMT). The orange planted area is projected to increase by 2% in 2025–26, reaching 46,000 hectares. Valencias …

transformation

Crop Transformation Center Speeding Up the HLB Battle

Daniel CooperBreeding, Technology

The urgency to find a solution to huanglongbing (HLB), also known as citrus greening disease, is why citrus is an initial focus of Florida’s Crop Transformation Center (CTC). The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) and the state’s citrus industry established the center three years ago. Through the CTC, faculty at the main UF campus in …

International Year

Celebrating the International Year of the Woman Farmer

Daniel CooperAgriculture, International

The United Nations is recognizing 2026 as the International Year of the Woman Farmer (IYWF), aiming to spotlight the contributions of women in agriculture and agribusiness. The American Farm Bureau Federation (AFBF) and 15 other U.S. members of an IYWF working group are collaborating to elevate this initiative on several fronts. Their efforts include the launch of an information hub …

Peruvian

Peruvian Mandarin Production

Daniel CooperCrop Forecast, International, Mandarins

The U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) projects Peruvian tangerine/mandarin production in 2025–26 at 570,000 metric tons (MT), the same as the prior year. VARIETIES Tangerine/mandarin varieties in Peru include: The market for exports is dominated by easy peelers and seedless varieties including Murcott, Tango, Primosole, Clementine, Minneola and Orri. Peru’s main harvest season runs from March …

China’s

China’s Orange and OJ Production to Increase

Daniel CooperCrop Forecast, International

The U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) has forecast China’s orange and orange juice (OJ) production and trade levels for the 2025–26 season. ORANGES China’s orange production is forecast at 7.68 million metric tons (MMT), up slightly from the prior season’s 7.62 MMT. Oranges are grown on 816,500 hectares. China is expected to import 161,000 MT of …

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), …

lemon production

The State of Lemon Production in Argentina

Daniel CooperCrop Forecast, International, lemons

Argentina’s lemon production for 2025–26 is projected to remain steady at 1.9 million metric tons (MMT) by the U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS). That projection is supported by mild weather conditions throughout the growing cycle. Lemon production in 2024–25 was 1.91 MMT. IMPROVEMENTS AND CHALLENGES Over the past decade, the Argentine lemon sector has benefited from …

boron deficiency

Unraveling Sweet Orange Response to Boron Deficiency

Daniel CooperNutrition, Research

Chinese researchers have delved into the complex interactions between transcription processes and metabolism in sweet orange plants deficient in boron. Boron deficiency can lead to reduced yields and compromised fruit quality. Authors of the research are Xiuyao Yang, Ke Wen, Xiujia Yang, Mengjie Zhang, Ling Zhu, Yinqiang Zi, Tuo Yin, Xulin Li, Xiaozhen Liu and Hanyao Zhang, all with the …

magnesium

Fixing Magnesium Deficiency

Daniel CooperNutrition

Noting that magnesium (Mg) deficiency is a problem in Florida citrus, the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) offers the following information about its symptoms, cause and solutions. SYMPTOMS AND CAUSE Trees with inadequate Mg supply have no symptoms in the new spring flush, but leaf symptoms will develop as the leaves age and the fruit …

peel

Turning Orange Peel Into Heart-Healthy Gold

Daniel CooperResearch

For every gallon of Florida orange juice produced, nearly an equal amount of peel is left behind. Traditionally, this material has been used for cattle feed or compost. New research from Yu Wang and Hyun Jeong Jung at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center suggests a far more valuable use. …

stress

Address Finances and Mental Health To Ease Stress

Daniel CooperAgriculture

Research shows that what weighs most heavily on farmers’ minds — and their health — is money. Farmers face suicide rates 3.5 times higher than the national average, and economic pressure is one of the leading contributors. A 2025 study by UGA researcher Anna Scheyett and colleagues surveyed 310 farmers to identify which financial topics could most effectively reduce stress. …

water deficit

Mexico Agrees to Repay Water Deficit in Texas

Daniel CooperTexas, Water

Mexico has agreed to meet the current water obligations of American farmers and ranchers and to repay the water deficit in Texas as part of the 1944 Water Treaty. The U.S. Department of Agriculture (USDA) stated that the agreement extends to the current cycle and the previous cycle’s water deficit. “Farmers across South Texas have been reeling from the uncertainty caused …

disease

Disease Research Discussed at Brazilian Workshop

Daniel CooperBrazil, Diseases

Several Fundecitrus researchers recently made presentations at the Brazilian Workshop on Plant Disease Epidemiology, held in Pirenópolis, Goiás. The scientists discussed studies on disease epidemics affecting agricultural crops and management strategies. CITRUS FLOWER ROT FORECASTING Geraldo Silva Junior addressed the citrus flower rot forecasting system — developed in partnership with Luiz de Queiroz College of Agriculture University of São Paulo(ESALQ/USP) …

Rural and Family

Rural and Family Lands Protection Program Accepting Applications

Daniel CooperLand

The Florida Department of Agriculture and Consumer Services (FDACS) has announced the opening of an application cycle for landowners to apply to the Rural and Family Lands Protection Program. The program partners with farmers and ranchers through rural lands protection easements to preserve working agricultural operations. Landowners can learn more about the program and submit applications here through Jan. 23, …

management

Can Physical Barriers Improve Sting Nematode and Root Weevil Management?

Daniel CooperPests

Larry Duncan, professor of nematology with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), recently presented his research regarding the management of sting nematodes and diaprepes root weevils. The presentation was part of an ongoing series of Zoom meetings organized by Mongi Zekri, UF//IFAS citrus Extension agent. STING NEMATODE Sting nematode is an important pest, especially in …

regenerative pilot

Regenerative Pilot Program To Improve Soil, Water and Productivity

Daniel Coopersoil, Water

The U.S. Department of Agriculture (USDA) announced a $700 million Regenerative Pilot Program to help American farmers adopt practices that improve soil health, enhance water quality and boost long-term productivity. “Protecting and improving the health of our soil is critical not only for the future viability of farmland, but to the future success of American farmers,” U.S. Secretary of Agriculture …

orange peel

Study Shows Benefits of Orange Peel Oil

Daniel CooperInternational, Research

A study in Pakistan shows essential oil from sweet orange peels has possible applications in food preservation and oncology. The study authors are Mahnoor Syed, Saeeda Fatima and Muhammad Bilal Sadiq with Forman Christian College and Moazzam Ali and Khadija Rashid with the University of the Punjab. The research expands the horizons of the way waste materials in the food industry are perceived. Citrus …

Christmas

PIECES OF THE PAST: The Warmth of a Florida Christmas

Daniel CooperPieces of the Past

By Brenda Eubanks Burnette There are Christmas memories that sparkle like tinsel and some that glow warm and steady, the way sunlight filters through a grove just after dawn. For many Florida families — mine included — Christmas has always smelled faintly of citrus and tasted of oranges fresh from the tree. Before the gifts were fancy and the stockings …