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 …

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 …

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 …

Register Today for the Florida Citrus Show

Morgan ColeCitrus, Events, FCS24

The Florida Citrus Show is scheduled for Thursday, March 12. The event will be held at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Indian River Research and Education Center and the U.S. Department of Agriculture (USDA) Agricultural Research Service U.S. Horticultural Research Laboratory in Fort Pierce. The Florida Citrus Show combines educational seminars for both citrus …

pest management

Planning Pest Management for Florida Citrus in 2026

Daniel CooperPests, Tip of the Week

By Lauren Diepenbrock Pest management is a year-round challenge in Florida citrus. But with knowledge of insect, mite and snail seasonal biology in relation to tree phenology, plans can be developed to protect fruit and maintain productive citrus trees. Populations of some highly problematic pests (Asian citrus psyllid and citrus leafminer) generally increase with flush/new growth development, so targeting peak …

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 …

Florida Citrus Extension Agent Retiring

Daniel Cooperextension

The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) recently announced the pending retirement of multi-county citrus Extension agent Chris Oswalt. Oswalt has been the agent for Polk and Hillsborough counties for decades. Michael Rogers, UF/IFAS statewide citrus research and Extension coordinator, said Oswalt “has faithfully served and greatly benefited numerous growers, researchers and his fellow Extension agents.” …

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. …

biodiversity

Safeguarding Citrus Biodiversity

Daniel CooperInternational, Varieties

A new greenhouse in Corsica, known as ARCHE, is part of an effort to safeguard one of the world’s largest citrus collections in the face of increasing disease and climate threats. The Citrus Biological Resource Centre (Citrus BRC) inaugurated the 1,100-square meter insect-proof facility on Dec. 5. The facility will soon house hundreds of citrus varieties from the Citrus BRC, …

January

Sneak Peek: January 2026 Citrus Industry

Daniel CooperSneak Peek

The annual Citrus State of the Industry Survey is back, and Part 1 of the results are in. The citrus section of the January issue of Specialty Crop Grower magazine shares what growers have reported on this season’s grove conditions. The report includes information on crop quality, expected yield and oxytetracycline use. Readers can scan the QR code in the …

guide

Updated Australian Citrus Guide Available

Daniel CooperDiseases, Pests, Research

The new Citrus Plant Protection Guide 2025-26 from Australia’s New South Wales Department of Primary Industries and Regional Development (NSW DPIRD) is available online. The seventh edition of the guide provides up-to-date information on all aspects of managing pests and diseases in citrus orchards and includes updates on NSW DPIRD projects. Some of the projects are funded by Hort Innovation …

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, …

triazine

Support for Citrus Access to Triazine Herbicides

Daniel Cooperweeds

The Florida Fruit & Vegetable Association (FFVA) recently filed comments with federal agencies supporting continued access to the triazine herbicides simazine and atrazine for citrus and other specialty crops. The comments were submitted to the U.S. Fish and Wildlife Service (FWS) and Environmental Protection Agency regarding FWS’ draft Biological Opinion (BiOp) for Atrazine and Simazine Herbicides. FFVA submitted the comments …

efforts

Florida Citrus Sales Continue To Take a Hit

Daniel CooperFresh, Orange Juice, sales

The Florida Citrus Commission (FCC) on Dec. 17 heard about the continued declining sales of fresh Florida citrus and orange juice (OJ). Marisa Zansler, director of economic and market research for the Florida Department of Citrus (FDOC), presented the sales reports. The FCC serves as the governing board for the FDOC, which is tasked with marketing, research and regulation of …

fruit display

Greenie Gains Attention at Citrus Fruit Display

Daniel CooperEvents, Fresh, Varieties

The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center (CREC) hosted its last scheduled citrus fruit display of the year on Dec. 17 in Lake Alfred. The December display is considered the best of the season due to the number and diversity of varieties available. There were about 25 fresh fruit varieties on …

supplemental disaster

Supplemental Disaster Relief Program Applications Being Accepted

Daniel CooperAgriculture, financial, hurricane

The U.S. Department of Agriculture (USDA) is accepting applications for Stage Two of the Supplemental Disaster Relief Program (SDRP). SDRP provides more than $16 billion in disaster relief payments to eligible producers who suffered revenue, quality or production losses to crops, trees, bushes or vines due to qualifying disaster events in 2023 and 2024. USDA’s Farm Service Agency (FSA) is …

young citrus

Herbicide Safety Around Young Citrus Trees

Daniel CooperTip of the Week, weeds

By Ramdas Kanissery Young citrus trees are highly sensitive to herbicides. Even small amounts of drift onto green bark or foliage can significantly impact tree growth (Figure 1). Taking a few practical precautions during herbicide applications can help protect young trees and keep them growing strong during their early establishment years. AVOID HERBICIDE CONTACT WITH GREEN BARK The greatest risk …

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 …