Fire Ant Management in Citrus

Tacy CalliesPests

By Lauren M. Diepenbrock While there are many species of ants in Florida, the invasive fire ant (Solenopsis invicta) is the one most people are familiar with. These ants can be pests in agriculture, landscapes and structures. The pest’s ability to use a variety of habitats and resources makes it challenging to manage. In citrus groves, fire ants can be …

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Production of OJ to Climb in Europe

Ernie NeffInternational, Orange Juice

European Union (EU) orange juice (OJ) production is forecast to climb almost 8 percent in 2020-21 compared to the previous year, to 87,987 metric tons, the U.S. Department of Agriculture’s Foreign Agricultural Service (FAS) reported. The forecast is in line with the expected growth in the volume of European oranges destined for processing this season, especially from Spain and Italy. …

States See Changes in U.S. Citrus Forecast

Ernie NeffCrop Forecast

The U.S. Department of Agriculture’s (USDA) National Agricultural Statistics Service (NASS) dropped another 2 million boxes from the January forecast for Florida’s orange crop but added 200,000 boxes to the state’s grapefruit projection. ORANGESFlorida’s total orange crop is now forecast at 54 million boxes, down 4 percent from 56 million boxes in December. The orange reduction was in the non-Valencia …

Louisiana Faces Several Citrus Woes

Ernie NeffLouisiana

Hurricanes, development, demographics, disease and other issues combined in recent decades to severely reduce citrus acreage and crops in Plaquemines Parish, which has the majority of Louisiana growers. According to Louisiana State University (LSU) AgCenter, the state has only 841 acres of citrus remaining. Anna Timmerman, LSU AgCenter horticultural Extension agent, discussed the industry’s woes in the parish that she …

Research Update on Individual Protective Covers

Tacy CalliesPests

By Fernando Alferez, Susmita Gaire, Ute Albrecht, Ozgur Batuman, Jawwad Qureshi and Mongi Zekri It has been nearly three years since the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) started its studies on individual protective covers (IPCs). The objective of this study is to evaluate the feasibility of IPCs as a strategy to prevent HLB infection of …

Cold Acclimation and Freeze Protection for Florida Citrus

Tacy CalliesFreeze Protection

By Chris Oswalt and Davie Kadyampakeni In preparation for winter in Florida, citrus growers must first understand some essential concepts related to protecting citrus from freezing temperatures. Specifically, growers need to know when and how to protect citrus trees from freeze damage. WHEN TO PROTECT When (i.e., at what critical temperature) will damage begin to occur? This temperature is dependent on …

Korea Is the Top Market for U.S. Oranges

Ernie NeffTrade

Korea is the United States’ top export market for oranges and the third largest market for lemons and grapefruit, the U.S. Department of Agriculture’s Foreign Agricultural Service (USDA/FAS) recently reported. Oranges, lemons and grapefruit account for 99 percent of the country’s total citrus imports. More information from USDA/FAS about the Korean market follows: Citrus imports by Korea dropped in 2019 …

Emerging Trunk Disorders

Tacy CalliesDiseases

By Evan Johnson and Megan Dewdney The last two years have seen increasing grower questions and reports of citrus trunk disorders in Florida. Sometimes these reports are associated with sudden tree collapse. In many cases, phytophthora foot rot is initially suspected. Typically, the symptoms don’t quite match those of foot rot, and phytophthora cannot be isolated from the lesion. If …

COVID-19 Testing for Hendry County Farmworkers

Tacy CalliesCOVID-19

The Florida Department of Agriculture and Consumer Services (FDACS) announced COVID-19 testing sites in Hendry County for farmworkers as the fall harvest season begins. The announcement follows COVID-19 testing for farmworkers that was made available earlier this month in Miami Dade, Hillsborough and St. Lucie counties. Testing is made possible by a partnership with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), the Florida Division of Emergency Management and local county governments. …

Black Spot and Production Guide Updates

Ernie NeffDiseases

Megan Dewdney recently provided information about positive results from fungicide trials for citrus black spot, as well changes to the new Citrus Production Guide. Dewdney is a plant pathologist with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), working at the Citrus Research and Education Center. Dewdney conducted the fungicide trials for black spot in a 20-year-old …

IPCs Prevent HLB Infection

Ernie NeffCitrus Expo, HLB Management

The use of individual protective covers (IPCs) for young trees prevented Asian citrus psyllid transmission and HLB infection in a trial near Immokalee, Fernando Alferez reported during the recent virtual Citrus Expo. Alferez said citrus trees planted at the Southwest Florida Research and Education Center (SWFREC) in January 2018 and covered with IPCs have been HLB-free for 32 months. Alferez …

Obtaining Optimal Peel Color of Fresh Florida Citrus

Tacy CalliesFresh

By Mark A. Ritenour and Fernando Alferez Color development in citrus during fruit maturation is a complex process that involves chemical and physiological changes. This includes chlorophyll (green pigments) breakdown and carotenoid (orange and yellow pigments) biosynthesis. The final color of each citrus variety mainly depends on the final composition of carotenoids, with citrus being among the richest fruit sources …

Sneak Peek: September 2020 Citrus Industry

Tacy CalliesSneak Peek

In just two days, more than 1,100 Citrus Expo participants viewed 28 educational videos. If you didn’t get a chance to visit the virtual Citrus, Vegetable & Specialty Crop Expo on Aug. 19–20, you can find highlights from the event in the September issue of Citrus Industry magazine. The educational videos will remain on the Citrus Expo website through the …

citrus crop forecast

New Global Citrus Event Coming Online

Ernie NeffFresh

Fruitnet Media International and the World Citrus Organisation are teaming up to host the first-ever Global Citrus Congress Live on Nov. 5. The event is for everyone in the global supply chain of fresh citrus, from the farm gate to the supermarket shelf. The free-to-register online conference will focus on some of the big developments across the citrus category and …

Florida Citrus Value Takes a Hit

Tacy CalliesEconomics

A new U.S. Department of Agriculture (USDA) report shows the value of the Florida citrus crop has substantially shrunk in the past year. The 2019–2020 Citrus Summary report was released by USDA’s National Agriculture Statistics Service on Aug. 26. It shows the $729 million preliminary on-tree value of the 2019–2020 citrus crop is 19 percent less than the $902 million …

Fresh Citrus Availability Declining in U.S.

Ernie NeffFresh

Citrus accounted for 14 percent of the supply of fresh fruit available for Americans to eat in 2018, the U.S. Department of Agriculture’s Economic Research Service (ERS) reports. In 1970, citrus accounted for 24 percent of available fresh fruit. The drop from 24 percent to 14 percent over 48 years partly reflects American’s expanded fresh fruit options, ERS states. In …

World Orange Production to Fall

Ernie NeffCrop Forecast

Global orange production for 2019-20 is estimated to fall 7.8 million metric tons (MMT) from the previous year to 46.1 MMT, according to a July report by the U.S. Department of Agriculture’s Foreign Agricultural Service. Consumption is forecast to be flat, though not down. Global trade is expected to be lower with an anticipated drop in exports from Brazil and …

Win a $200 Bass Pro Gift Card at Citrus Expo

Tacy CalliesCitrus Expo

The Citrus Expo and Vegetable & Specialty Crop Expo are coming to you this year! The popular annual events will be virtual to present information to growers in a safe way against the backdrop of COVID-19. Join us for the virtual event on Aug. 19–20 as we bring the citrus, vegetable and specialty crop (VSC) industries together in this new …

Steger Forecast for Florida Oranges

Ernie NeffForecast

Elizabeth Steger, president of Citrus Consulting International, has forecast Florida’s 2020-21 orange crop at 62 million boxes. That is 8.35 percent fewer oranges than the 67.65 million boxes the state produced last season. [See the final 2019-20 season forecast by the U.S. Department of Agriculture (USDA) here.] Steger has been forecasting the size of Florida’s orange crop prior to the …