IPCs Improve Fruit Yield and Quality

Josh McGillHLB Management, IPCs, Research

By Fernando Alferez, Ute Albrecht, Susmita Gaire, Ozgur Batuman, Jawwad Qureshi and Mongi Zekri University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers established a field trial in February 2018 to evaluate the efficacy of individual protective covers (IPCs) to prevent Asian citrus psyllids from spreading HLB and to study the effects on tree growth and physiology. The …

Balancing Citrus Nutrition in the Era of HLB

Josh McGillHLB Management, Nutrition, Research

The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) has committed to updating nutrition recommendations for citrus now that HLB is endemic across the state. Some of this ongoing research was discussed during the February All In For Citrus podcast. Growers will be interested to hear from Davie Kadyampakeni, a UF/IFAS assistant professor of soil and water science, …

Attacking Asian Citrus Psyllid from the Inside

Josh McGillHLB Management, Pests, Research

In the latest episode of the All In For Citrus podcast, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) entomologist Kirsten Pelz-Stelinski discussed her research on the Asian citrus psyllid (ACP) and a new grant from the National Institute of Food and Agriculture to further her work. The goal of the research is to use bacteria already present …

Black Core Rot Being Studied

Josh McGillDiseases, International, Research

A new Hort Innovation project aims to shed some light on how black core rot happens in Australian groves so the citrus industry can learn how to better manage the disease. Black core rot caused by the fungus Alternaria spp. can be a problem for some citrus growers in the southern growing areas in Australia. Citrus infected with Alternaria spp. …

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Further Cuts to Florida Citrus Forecast

Josh McGillCrop Forecast, Florida

On March 9, the U.S. Department of Agriculture’s National Agricultural Statistics Service (NASS) reduced Florida’s orange and grapefruit crop forecasts again. Valencia oranges took the biggest hit, dropping 3 million boxes, or 12%, to 23 million boxes. The forecast for the non-Valencia crop, which is virtually all harvested, actually rose 500,000 boxes, or 4%, to 18.2 million boxes. That means …

Upcoming Events for Florida Citrus Growers

Josh McGillCitrus, Events, Florida

In the latest episode of the All In For Citrus podcast, Michael Rogers, director of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center, previews two upcoming events citrus growers will want to attend. The first is a Finger Lime Symposium. The half-day event will be held virtually from 1 p.m. to 5 …

Texas

Funding to Protect Texas Citrus

Josh McGillCitrus, Texas

A significant portion of the $3 million the U.S. Department of Agriculture (USDA) is allocating to Texas for pest detection, surveillance, identification and threat mitigation is targeted to the state’s citrus industry. Among other citrus-related projects, the USDA is including money to aid Texas in the control of Asian citrus psyllids and the HLB disease they spread. “Texas has more …

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Orange Juice in Europe: Production, Consumption and Trade

Josh McGillExport/Import, International, Orange Juice

European Union (EU) orange juice (OJ) production is forecast at 70,390 metric tons (MT) in 2021–22, the U.S. Department of Agriculture’s Foreign Agricultural Service reported. That’s a drop of almost 10% compared to the previous period due to the expected decline in EU orange supply. Spain is the major orange processor in the EU, followed by Italy. Approximately 20% of …

No More Satsumas: The Time Is Ripe to Diversify

Josh McGillCitrus, Florida, Georgia

South Georgia and North Florida industry leaders preached diversification to citrus growers at the Georgia Citrus Association annual conference. The event took place Feb. 28 at the University of Georgia (UGA) Tifton Conference Center. No longer should satsuma mandarins be the crop of choice for potential growers. There are other viable options for farmers to choose from, said Lindy Savelle, …

CRDF Receives Recommendations on Plant Breeding

Josh McGillBreeding, Research

By Rick Dantzler Several months ago, the Citrus Research and Development Foundation (CRDF) convened a panel of plant-breeding experts from across the country to help us decide where to spend what appears to be a diminishing amount of money for plant breeding. The co-chairs presented their recommendations on Feb. 22 to the CRDF board of directors. The first recommendation was …

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All In for Citrus Podcast, February 2022

Josh McGillAll In For Citrus Podcast

The Florida legislative session is well underway in Tallahassee. The University of Florida hosted its annual Gator Day at the Capitol in February to remind lawmakers of all that the school does for its students and stakeholders. Michael Rogers, director of the Citrus Research and Education Center, and fellow citrus team members from the University of Florida Institute of Food …

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Brazil’s Orange Crop Holding Steady

Josh McGillBrazil, Forecast, International

While the February Florida orange crop forecast saw a decline, Brazil’s February orange forecast is unchanged from its December forecast. Published on Feb. 10 by Fundecitrus and its cooperators, the third 2021–2022 orange crop forecast update for the São Paulo and West-Southwest Minas Gerais citrus belt remains at 264.14 million boxes. Should this forecast hold true until harvest ends, Brazil’s …

Trunk Injection Could Deliver the Kill Shot to HLB

Josh McGillHLB Management, Research

There are many materials that will kill the bacteria (Candidatus Liberibacter asiaticus) that causes HLB. The challenge has been getting these materials to the place where the bacteria lives in citrus trees — the phloem. Some believe trunk injection might do the trick, but it is an expensive and labor-intensive practice that has limited any breakthroughs so far. During the …

Focus on Australian Citrus Safety

Josh McGillCitrus, Export/Import, Food Safety, International

Citrus Australia reported on a new project focused on food safety in citrus. The project aims to mitigate microbial food-safety risks associated with the production, postharvest handling and supply of citrus to consumers in domestic and export markets. S.P. Singh with the New South Wales Department of Primary Industries will lead the project. The Australian citrus industry exports oranges and …

Florida Orange Forecast Falls Again

Tacy CalliesCrop Forecast, Florida

Florida’s projected 2021–22 orange crop was reduced by 1 million boxes, to 43.5 million boxes, in the February citrus crop forecast from the U.S. Department of Agriculture’s (USDA) National Agricultural Statistics Service. The forecast was released Feb. 9. The entire orange reduction was in the to-be-harvested Valencia crop, which was reduced 4% to 26 million boxes. The forecast for non-Valencia …

Survey Assessing Freeze Impact on Florida Ag

Josh McGillAgriculture, Florida, Weather

The Florida Department of Economic Opportunity (DEO) on Feb. 3 activated the Business Damage Assessment Survey to assess the impact freezing temperatures had on the state’s agriculture businesses. Survey responses will allow the state to gather data and evaluate resources that impacted businesses may need to recover after the freezing weather that occurred the weekend of Jan. 28–30. “The agriculture …

HLB: The Path Forward

Josh McGillHLB Management, Research

Rick Dantzler, chief operating officer of the Citrus Research and Development Foundation (CRDF), gave an update at the recent Florida Citrus Show on the latest efforts to find solutions to the HLB problem. Dantzler acknowledged the frustration growers have expressed in the long battle against the disease and the challenge it has presented to the research community. Because of this, …

Outlook for Global Citrus Production

Josh McGillGlobal Perspectives, Grapefruit, International, lemons, Limes, Mandarins, Orange Juice

The U.S. Department of Agriculture Foreign Agricultural Service recently released global 2021–22 production estimates for citrus categories and orange juice. Here are highlights from the report, titled Citrus: World Markets and Trade. ORANGESGlobal orange production for 2021–22 is estimated up 1.4 million tons from the previous year to 48.8 million tons. Favorable weather is leading to larger crops in Brazil, …

Trial Confirms Benefits of IPCs

Josh McGillFlorida, HLB Management, Pests

Individual protective covers (IPCs) on citrus trees have become a more common sight in Florida groves in recent years. The bags that cover young trees exclude the Asian citrus psyllid (ACP) from feeding on the plants, thus protecting them from HLB. Some estimates suggest that more than 1 million IPCs are now deployed in the state’s citrus groves. During the …

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Achieving Successful Nursery-Grower-Researcher Partnerships

Josh McGillResearch, Rootstocks, Tip of the Week

By Bill Castle, Fred Gmitter and Jude Grosser The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center (CREC) plant improvement team has long been engaged in field research to evaluate new scions and rootstocks. That effort continues and has involved trials on public and private property. While public sites are valuable, they are …