Soil Is Key to Setting Up Trees for Success

Josh McGillAgriculture, Nutrition, Soil Improvement

By Brad Turner As I started my regenerative journey five years ago, it conjured up memories of walking the family groves in the 1970s with my freshly sharpened eye hoe. I would follow the tractor as it pulled the offset chopper, crisscrossing between the widely spaced trees in all directions. The native grasses and broadleaf plants — including legumes like …

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. …

Guidance on Chlorpyrifos Recordkeeping

Josh McGillAgriculture, Pesticides, Tip of the Week

By Brett Bultemeier and Lauren Diepenbrock The revocation of chlorpyrifos residues and tolerances that became effective on Feb. 28, 2022, caused some confusion and concern when it was first announced. The legal description provided by the Environmental Protection Agency is challenging to fully understand. Therefore, the Pesticide Information Office from the University of Florida Institute of Food and Agricultural Sciences …

Grower Associations Object to H-2A Wage Methodology

Tacy CalliesEconomics, Labor

Florida Citrus Mutual recently published the following statement about comments it submitted regarding the wage rate for temporary foreign H-2A workers: “On January 31, 2022, Florida Citrus Mutual, along with many other agricultural entities nationwide, submitted comments to the United States Department of Labor (USDOL) in reference to the proposed changes to the methodology for the adverse effect wage rate …

Can Zinc and Potassium Curb Fruit Drop?

Tacy CalliesFruit Drop

The Florida citrus industry has been focused on finding solutions to the fruit drop problem that has hit groves hard in recent years. During the 2022 Florida Citrus Show in Fort Pierce, Fernando Alferez, University of Florida Institute of Food and Agricultural Sciences, assistant professor of citrus horticulture, presented findings from a research trial aimed at reducing fruit drop. The …

Georgia Grower Rapidly Reacts to HLB Find

Josh McGillGeorgia, HLB Management

By Lindy Savelle Earlier this year, a small grove owner in Grady County, Georgia, noticed some odd-looking trees in his grove. The leaves, having an asymmetrical discoloration, appeared to be nutritionally deficient. In an attempt to remedy the problem, the grower reached out to the Grady County Extension office for help. The Extension agent began his quest to figure out …

brazilian

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 …

Keep an Eye Out for Postbloom Fruit Drop This Spring

Josh McGillFruit Drop, Tip of the Week, Weather

By Megan M. Dewdney Postbloom fruit drop (PFD) is a flower disease mainly caused by the fungus Colletotrichum acutatum. The fungus is present on citrus trees throughout the year but survives by producing resting structures on leaves and stems. The fungus becomes stimulated to produce spores by substances from the early flowers. These early spores infect the initial flowers and …

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 …

Keep Leprosis From Re-entering Florida

Josh McGillDiseases, Florida

Citrus leprosis has not been reported in Florida since 1968, but researcher Ozgur Batuman called it “an approaching threat to Florida citrus” in a recent virtual seminar. Batuman, a citrus pathologist at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Southwest Florida Research and Education Center, urged growers to be on the lookout for the disease. According …

European Union to Produce Less Lemons

Josh McGillInternational, lemons

European Union (EU) lemon production is forecast at 1.57 million metric tons (MMT) in 2021–22, a decrease of almost 9% from the previous season, the U.S. Department of Agriculture’s Foreign Agricultural Service reported. The decrease is due to expected crop reductions for the EU’s main lemon producers, Spain and Italy, even though the area planted with lemons continued trending upward …

citrus nutrition

Reducing Psyllid Populations During Key Periods Pays Dividends

Josh McGillHLB Management, Pesticides, Pests

By Lukasz L. Stelinskiand Jawwad A. Qureshi Asian citrus psyllids (ACP) are at the mercy of their host (citrus) for survival. They need flush to lay eggs and for the nymphs to develop. Prior to HLB, the majority of flushing had been fairly predictable and occurred in the early spring and late summer. The occurrence of flush in young trees …

Brazilian

Brazil: Production and Planting Projections

Ernie NeffInternational

The U.S. Department of Agriculture’s Foreign Agricultural Service (FAS) recently reported on the citrus industry in Brazil, including updates on orange production, yield, area planted and tree inventory. The orange crop for Brazil’s marketing year 2022-23 is forecast at 405 million 40.8-kg boxes (MBx), equal to 16.52 million metric tons, an increase of 12% relative to the current season. The …

Orange Crop to Decline in Europe

Josh McGillInternational, Production

European Union (EU) orange production is forecast at 6.1 million metric tons (MMT) for 2021–22 by the U.S. Department of Agriculture’s Foreign Agricultural Service. That’s 6% lower than the previous season and 3.3% lower than the EU’s 10-year average of 6.3 MMT. PRODUCTIONSpain and Italy represent 80% of the EU’s total production of oranges. The remaining 20% is distributed among …

Developing a Management Plan for Lebbeck Mealybug

Josh McGillFlorida, IPM, Pests

By Lauren Diepenbrock Managing lebbeck mealybug has become an ongoing challenge in many citrus-growing areas of Florida. This pest expanded into 14 counties from 2019 to fall of 2021 and impacts both commercial and residential citrus. Damage includes distorted fruit and leaves, stem dieback and fruit drop. Loss of young trees can occur under extreme infestation scenarios. In addition to …

Resolved to Give Growers What They Need

Josh McGillFlorida, Research

By Michael Rogers January marks the season for resolutions: exercising more, eating well and being more organized. But in the research world, resolutions may not be that simple. I don’t think that University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers could be any more “resolved” in finding ways to fight citrus diseases and ways to improve how …

Florida Growers Report Early-Season Obstacles

Josh McGillProduction

By Frank Giles The U.S. Department of Agriculture (USDA) reported a drop in estimated Florida orange production in its December crop update. That estimate lowered production by 1 million boxes from the initial forecast of 47 million boxes reported in October. In advance of USDA’s January estimate, Florida citrus growers discussed how their crops are progressing. Here’s what they had …

Pest Management: A New Approach to an Age-Old Challenge

Tacy CalliesPests

By Brad Turner From a family with deep Florida roots, I have over 40 years of experience in commercial citrus production. I learned the industry from the ground up by working in the family groves while studying citrus production at Florida Southern College. I have owned a citrus nursery, my own groves and a citrus caretaking business. I have also …