Asian Giant Hornet Threatens Honey Bees

Ernie NeffPests

The Asian giant hornet (Vespa mandarinia), typically 1.5 to 2 inches long and a threat to honey bee colonies, has been found in Washington state. Amy Vu and Jamie Ellis with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Honey Bee Research and Extension Laboratory recently provided information about the pest. “This insect has recently been called …

Italian Grower Tackles Nematodes, Naturally

Ernie NeffPests

Italian citrus grower Giovanni Battista Spanò will combat the citrus nematode, Tylenchulus semipenetrans, with natural methods involving sowing and green manure of the radish cultivar Defender. The nematodes cause slow decline of citrus. “Nematodes and fungal diseases of the soil are a problem that can be easily solved without using harmful chemical products,” says Spanò. “We can just exploit the …

Payne on Past, Present and Future of Florida Citrus

Ernie NeffResearch

Jack Payne, head of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), looks at the past, present and future of Florida citrus. He has been in the role of senior vice president for agriculture and natural resources since 2010 and is slated to retire on July 1. “Of course, citrus is the iconic industry in Florida,” which …

Yoho: Halt Imports From Mexico and Beyond

Ernie NeffExport/Import, Trade

Florida Congressman Ted Yoho on April 28 asked President Donald Trump to temporarily halt imports of all Mexican, Central American and South American food products. He cited “unprecedented circumstances due to the coronavirus pandemic” in asking the President to invoke a force majeure motion to stop the importation. Force majeure is defined as an event that can’t be anticipated or …

hurricane

Active Hurricane Season Predicted

Ernie Neffhurricane

An above-average Atlantic hurricane season was recently predicted by both Colorado State University (CSU) hurricane researchers and AccuWeather. The CSU researchers cited the likely absence of El Niño as a primary factor in its prediction. “Tropical and subtropical Atlantic sea surface temperatures are currently warmer than their long-term average values and are consequently also considered a factor favoring an active …

Crop Insurance Hurricane Endorsement Available

Ernie Neffcrop insurance

The U.S. Department of Agriculture’s Risk Management Agency (RMA) is now offering a new crop insurance endorsement, Hurricane Insurance Protection – Wind Index (HIP-WI). HIP-WI covers a portion of the deductible of the underlying crop insurance policy when a county, or adjacent county, is within the area of sustained hurricane-force winds. HIP-WI provides coverage for 70 different crops, including all …

Algal Spot: A Re-emerging Disease

Tacy CalliesDiseases

By Megan M. Dewdney Algal spot has not been seen frequently for many years, but in the last few years I have been getting more questions about identification and management. The disease is caused by a green alga, Cephaleuros virescens. The alga is not considered a parasite, as it grows superficially, but it does cause damage to trees if left …

Brix

Citrus Industry ‘Pretty Close to a Cliff’

Daniel CooperIndustry News Release, Orange Juice

(NSF) — State lawmakers and citrus growers expressed a need Tuesday to entice people to drink more orange juice and for citrus importers to help in the marketing of Florida’s struggling signature crop. After 15 years of fighting the impacts of hurricanes, citrus greening disease, a reduction in acres because of the state’s rapid growth and changes in drinking habits, …

citrus

Citrus Growers Can Call for Frost Protection Information

Daniel Coopercold protection, Industry News Release

(UF/IFAS) — Just one freeze could cripple much of Florida’s citrus crop. It happened 30 years ago. Chris Oswalt, a multi-county commercial citrus agent for University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Extension, remembers the frost-bitten evenings. Christmas 1983, January 1985 and Christmas 1989 marked three of the worst citrus freezes in the state’s history. Even though …

Steaming for Weed Management

Tacy Calliesweeds

By Ramdas Kanissery and Yiannis Ampatzidis Weeds are a significant problem in horticultural production and must be controlled to maintain good crop yield. Concerns related to non-judicious use of herbicides, which include ground and surface water contamination and pesticide residues in food, has sparked public awareness and restrictions on herbicide use. For these reasons, alternative and integrated systems for weed …

A Growth-Enhancing Pest Management Option

Tacy CalliesHLB Management, Research

By Christopher Vincent Particle films can both increase tree growth and reduce Asian citrus psyllid populations. University of Florida (UF) research has found particle films delay infection with the CLas bacterium, which causes HLB. They also enhance growth rates and yield. Particle films do have limitations to efficacy, including being washed off in frequent or heavy rains. Overall, particle films …

brazilian

Observations on the 2019 Brazilian Citrus Industry

Daniel CooperBrazil

By Thomas Stopyra, Certified Crop Advisor Note: The following report is based on data gathered from a variety of sources and reflects the personal opinion of the author. It should not be used as a basis for buying, selling or speculating futures or any other business decisions regarding agricultural enterprises or commodities. The recent estimate published by Fundecitrus for the …

hurricane

Indian River Expects Minor Hurricane Damage

Ernie Neffhurricane

Florida’s Indian River area lies on the Atlantic Ocean and was the nearest Florida citrus region to Hurricane Dorian late Tuesday morning. Doug Bournique, Indian River Citrus League executive vice president, was optimistic that the region would escape major damage. “It looks like it’s going to track about 80 to 100 miles off the coastline, which is wonderful for our …

florida citrus

Citrus Crop Value Up as Farmland Shrinks

Daniel CooperCitrus, Industry News Release

Florida citrus production and crop value is up from a year ago, when the industry was trying to recover after being hit hard by Hurricane Irma. But the industry continues to bleed acreage in the state, according to numbers released Aug. 28 by the U.S. Department of Agriculture (USDA). The federal agency’s commercial citrus inventory recorded 430,601 acres spread across …

benefits

Dundee Growers Have Hope Despite HLB

Tacy CalliesHLB Management

By Ernie Neff Like all Florida citrus packers, “our citrus volume is down substantially because of HLB,” says Dundee Citrus Growers Association (CGA) Chairman and President Lindsay Raley. But unlike many packinghouses that have closed since HLB was discovered in Florida, Dundee CGA’s packinghouse is still thriving. Diversifying beyond citrus and helping its members cope with HLB have been keys …

citrus

Citrus Numbers Improve as Struggles Continue

Daniel CooperCitrus, Crop Forecast, Grapefruit, Industry News Release

Florida’s citrus industry ended its growing season on a slight uptick, regaining the Sunshine State’s dominance in orange production over California. But struggles remain. Growers, who last year posted 75-year lows because of damage caused by Hurricane Irma, still are at diminished production levels that hadn’t been seen in decades as they face deadly citrus-greening disease and factors such as …

Update on Brassinosteroids for HLB Management

Tacy CalliesHLB Management, Research

By Fernando Alferez, Christopher Vincent and Tripti Vashisth Brassinosteroids (BR), a relatively newly discovered class of plant hormone, regulate several developmental and physiological processes in fruit crops such as grapes, pears and cherries and in some non-edible plants. BR also induce disease resistance against different pathogens in a great number of crop plants. A form of BR (epibrassinolide) was shown …

Israel’s Dynamic Citrus Industry

Tacy CalliesCitrus

By Stephen H. Futch and Ariel Singerman As home to three of the world’s major religions, Israel is one of the most diverse countries in the world. Besides its cultural diversity and historical importance, Israel is also a major citrus producer and exporter. Israel’s citrus industry began in 1882. As new immigrants moved to the country, they established many very …

grapefruit

Grapefruit Grown Under Protective Screens Maximizes Fruit Yield

Daniel CooperCitrus Greening, CUPS, Grapefruit, Industry News Release, Research

Growers of one of Florida’s signature citrus crops may see more production and possibly less of the deadly citrus greening disease. Researchers have worked for four years growing grapefruit under protective screens on a 1-acre experimental plot at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), and they’re seeing encouraging results. UF/IFAS scientists and a few commercial …