medications

Medications and Grapefruit Could Be Compatible

Daniel CooperGrapefruit, Research

In an advance that could change how millions of patients take their medications, researchers have identified the genetic mechanism behind grapefruit’s notorious interaction with prescription drugs. The discovery opens the door to developing new varieties of grapefruit that won’t interfere with medications, potentially allowing patients to safely enjoy the fruit again. For decades, healthcare providers have advised patients to avoid …

solutions

Florida Citrus Decline: Frustrations and Solutions

Daniel CooperFlorida, HLB Management

A recent Florida TaxWatch report detailed the reasons for the decline of the Florida citrus industry. The report also described frustrations with efforts to combat citrus greening and suggested solutions for the industry’s decline. Edited excerpts from that portion of the report follow:       Prominent citrus growers stated they are still optimistic about the future as many citrus entities are investing …

IPCs

Combine IPCs and Brassinosteroids to Prolong Young Tree Health

Daniel CooperIPCs, Tip of the Week

By Fernando Alferez and Saoussen Ben Abdallah The risk of citrus plantings to become infected with HLB is especially high for young trees, which flush frequently and attract more psyllids than mature trees. Individual protective covers (IPCs) are now being increasingly adopted to protect newly planted citrus trees from psyllid colonization. However, even though IPCs effectively protect young trees from …

Israeli

War Impacts Israeli Citrus Industry

Daniel CooperInternational

A December U.S. Department of Agriculture Foreign Agricultural Service (USDA/FAS) report on Israeli citrus discusses the impacts of the Israel-Hamas war on the country’s citrus industry. Since Oct. 7, 2023, the effects from the war on the citrus industry have become clearer. As such, USDA FAS has revised much of its marketing year (MY) 2023–24 (October–September) data to represent updates …

hlb

Weathering the HLB Storm

Daniel CooperHLB Management

Specialty crop growers might be aware of the disease sweeping through Florida’s citrus industry. Its impact has been tremendous and has tested the survival of the state’s signature crop. This year will mark the 20th anniversary of the official confirmation of citrus greening disease (also known as huanglongbing or HLB) in Florida. In the past two decades, the state’s output …

citrus forecast

Changes in U.S. Citrus Forecast

Daniel CooperCrop Forecast

The U.S. Department of Agriculture National Agricultural Statistics Services (USDA/NASS) released a citrus forecast on Jan. 10. FLORIDA Florida orange and grapefruit production expectations were unchanged from the December citrus forecast. The Florida orange forecast remains at 12 million boxes and grapefruit at 1.2 million boxes. Florida non-Valencia orange final fruit size is smaller than the average, requiring 327 pieces …

hlb

Study Shows Impact of HLB Bacterium on Roots

Daniel CooperResearch, Root health

A recent study sheds light on the significant effects of Candidatus Liberibacter asiaticus (CLas), the bacterium responsible for HLB, on the root systems of grafted Valencia orange trees. The findings reveal that root system reductions caused by the infection are more extensive than the corresponding aboveground declines. That finding underscores the hidden yet critical impact of the disease below the …

Florida Citrus Show

Registration Is Open for the Florida Citrus Show

Daniel CooperCitrus, Events, FCS24, Florida Citrus Show

The Florida Citrus Show is scheduled for Thursday, March 13, 2025. 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 …

decline

Florida Citrus Decline Detailed

Daniel CooperFlorida, Production

A December Florida TaxWatch report, The Continuing Decline of Florida’s Citrus Industry, highlights the causes of the industry’s demise in recent decades. Edited excerpts follow: In the last 20 years, Florida’s total citrus production has decreased by more than 90%, from around 300 million boxes in 2003–04 to just 20 million boxes in 2023–24. The 2022–23 season was the worst …

MASC program

USDA Increases MASC Program Payment Limit and Extends Deadline

Daniel Cooperfinancial, Marketing

The U.S. Department of Agriculture (USDA) Farm Service Agency (FSA) is providing an additional $650 million in funding for the new Marketing Assistance for Specialty Crops (MASC) program and is extending the application deadline to Friday, Jan. 10, 2025. With a total of $2.65 billion available, MASC helps specialty crop producers expand markets and manage higher costs. FSA is also increasing …

pest management

Plan Your 2025 Pest Management

Daniel CooperPest Management, Pests, Tip of the Week

By Lauren Diepenbrock Pest management is a year-round challenge in Florida citrus. With the warm climate, pests are at the ready as soon as plant resources are available to them. With knowledge of invertebrate biology in relation to tree phenology, growers can develop plans to protect fruit and maintain productive citrus trees. HIGHLY PROBLEMATIC PESTS Populations of some highly problematic …

Alico Citrus

Alico Citrus to Cease Operations After This Season

Daniel CooperIndustry News Release

Large Florida citrus grower Alico Citrus will cease operations after the current season’s harvest, parent company Alico, Inc. announced Jan. 6. The company cited increasing financial challenges from citrus greening disease and “environmental factors.”  Alico owns approximately 53,371 acres of land across eight counties in Florida, as well as approximately 48,700 acres of oil, gas and mineral rights in the …

milton

Survey Tracks Hurricane Milton Impacts and OTC Usage

Daniel Cooperhurricane, planting, Survey

The Florida Citrus State of the Industry Survey seeks input from growers on key issues affecting their groves. While not a scientific survey, it has reflected general trends over the years. This year’s survey asked growers to weigh in on major events like the impact of Hurricane Milton and the performance of trunk-injection therapies. HURRICANE MILTON Hurricane Milton made landfall …

South African

Small Changes for South African Orange Industry

Daniel CooperCrop Forecast, International

South African orange production and area under production are both forecast to increase by 1% in 2024–25 compared to the prior year. Orange juice production is projected to climb 4%. The forecasts by the U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) are for 1.69 million metric tons (MMT) of orange production, 44,500 hectares of oranges planted, and orange …

protection program

Florida Land Protection Program Accepting Applications

Daniel CooperFlorida, Land

The Florida Department of Agriculture and Consumer Services (FDACS) 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 submit applications online through Jan 29, 2025. FDACS will then review the applications …

projects

Cost-Share Funds for Water Projects

Daniel CooperBMPs, Water

The Southwest Florida Water Management District (SWFWMD) is accepting applications for its Facilitating Agricultural Resource Management Systems (FARMS) cost-share program. The program expedites water resource development and alternative water supply projects on agricultural properties by providing funding assistance to implement production-scale best management practices (BMPs). To qualify for funding, projects must be located in the SWFWMD and include one or …

two

Two New Early-Season Sweet Oranges for Florida Growers

Daniel CooperTip of the Week, Varieties

By Manjul Dutt, Sheetal Ramekar and Gary England Developing new citrus cultivars, whether through conventional breeding or genetic engineering methods like transgenics or CRISPR is potentially the most viable long-term strategy to combat huanglongbing (HLB). Identifying potential survivor trees — citrus trees that exhibit disease tolerance in areas with endemic HLB — can also serve as a useful strategy for …

difficult

Research Center to Combat Brazilian Citrus Diseases

Daniel CooperBrazil, Diseases, Research

The Applied Research Center for Innovation and Sustainability in Citrus Farming was inaugurated Dec. 12 in a ceremony at the Palácio dos Bandeirantes, seat of Brazil’s São Paulo state government. Its purpose is to combat the main citrus diseases, such as citrus variegated chlorosis, sudden citrus death and above all, citrus greening. The São Paulo Research Foundation (FAPESP), Fundecitrus and …

navel oranges

CITRUS NURSERY SOURCE: Navel Oranges After OTC and Milton’s Impact

Daniel CooperCitrus Nursery Source

By Peter Chaires As fall approached and Hurricane Milton was not yet on the radar, growers were quietly discussing promising results from oxytetracycline (OTC) therapy. As one would expect, results are as variable as the products, methods of application and factors in the field. However, the view from 40,000 feet was encouraging. Growers not only reported positive observations in their …

Planting

Planting Layout Reduces HLB-Spreading Psyllids

Daniel CooperBrazil, HLB Management, planting

A Brazilian study has shown that planting citrus plots parallel to the property boundary reduced HLB-spreading psyllids 12% to 23% compared to plots planted perpendicular to the property boundary. Fundecitrus conducted the study. The São Paulo Research Foundation co-financed it in partnership with Embrapa. Another study conclusion is related to the impact of planting density on border plots. Fundecitrus researcher …