Sweet Valley Citrus Expansion Could Stall

Josh McGillCold Hardy, freeze

Trees in the Sweet Valley Citrus region have been in high demand in recent years. Plantings of satsuma mandarins and other citrus varieties have steadily risen the past few years in Georgia, Alabama and North Florida. That steady climb is expected to stall this year, however. Following the Christmas freeze event that rattled the industry in the Southeast in December …

Pest Management Findings Shared

Josh McGillCUPS, IPCs, Pests

Foliar sprays of insecticides timed to citrus flushing provided a significant reduction in Asian citrus psyllid (ACP) populations compared to standard grower practices, researcher Jawwad Qureshi reported. Timing sprays to flushing also led to a reduction in sprays, the University of Florida Institute of Food and Agricultural Sciences associate professor of entomology said in a virtual presentation on Feb. 22. …

Thinking Outside the Box With Satsumas

Josh McGillCold Hardy

Satsuma mandarins are big business in the Georgia and North Florida citrus industry. Satsumas are desirable from the consumer perspective, and the fruit’s cold hardiness is suited for the northern reaches of citrus production. Cold hardiness was proven to be especially important after freezes in late December and in January. But a problem with satsumas is that the fruit matures …

BMP Updates Highlighted at Workshop

Josh McGillBMPs, Nutrition, Water

The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) hosted a water and nutrient management workshop at the Citrus Research and Education Center in mid-February. In addition to seminars, a grove tour was provided to demonstrate a nutrient-rate trial currently underway at the center. Kelly Morgan, UF/IFAS professor of crop nutrition, spoke on recent activity to update citrus …

Sneak Peek: March 2023 Citrus Industry

Josh McGillCRDF, HLB Management, Sneak Peek

The March cover of Citrus Industry magazine features a fresh face in a key industry leadership role for Florida. Morgan McKenna Porter is bringing youthful energy to her new title as president of the Citrus Research and Development Foundation (CRDF) board of directors. In the cover story, learn about her background as well as her CRDF goals for helping growers …

citrus production

Florida Processed Orange Standards Reduced

Josh McGillFlorida Citrus Commission, Florida Department of Citrus, Regulation

The Florida Citrus Commission (FCC) on Feb. 22 reduced processed orange maturity standards for the remainder of this season due to the negative effects of 2022’s Hurricane Ian. The emergency rule, proposed by the Florida Department of Citrus (FDOC), requires that all processed oranges have a Brix value of no less than 7.0. The rule also stipulates that there shall …

areas

Why There Is a Lack of HLB in Georgia

Josh McGillGeorgia, HLB Management

HLB has yet to become a major problem for Georgia’s citrus producers. Jonathan Oliver, University of Georgia assistant professor and small fruits pathologist, attributes the disease’s lack of presence in Georgia’s commercial groves to multiple factors. “It still comes down to the fact that, number one, you don’t see symptoms for a while. A lot of our trees are young,” …

Citrus Still a Strong Contributor to Florida Economy

Josh McGillEconomics

Despite challenges from diseases, land development trends and extreme weather, Florida’s citrus industry contributed $6.935 billion to the state’s economy in 2020–21. That’s a conclusion in a recent University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) report, 2020–2021 Economic Contributions of the Florida Citrus Industry. The report estimated the economic contributions for the most recent citrus marketing season …

irrigation

Irrigation Guidelines for Growers

Josh McGillIrrigation, Tip of the Week

By Ajia Paolillo As the season moves from winter to spring, the irrigation requirements of citrus trees change. Typically, February through May is the drier time of year in Florida with low rainfall amounts in most areas. However, during this period, the trees are actively producing leaves and flowers, setting fruit, and pumping resources to the growing fruit during cell …

Rectify Injection Available for HLB in Florida

Josh McGillHLB Management, Industry News Release, Pesticides

Rectify, AgroSource, Inc.’s 95% oxytetracycline hydrochloride-based tree-injection product, is expected to be available for use against HLB in Florida citrus as early as Feb. 24. The product will be available to growers through existing commercial agricultural product distributors. AgroSource petitioned and received a Special Local Needs (SLN) approval for Rectify by the Florida Department of Agriculture and Consumer Services (FDACS) …

EU Citrus Crops to Decline

Josh McGillCrop Forecast, International

The European Union’s (EU) production of tangerines/mandarins, lemons and grapefruit are all projected to decline in 2022–23 compared to the prior season. The U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) made the EU citrus projections. TANGERINES/MANDARINSEU tangerine and mandarin production in 2022–23 is forecast at 3.01 million metric tons (MMT), down from 3.15 MMT the previous season. Good …

Post-hurricane Expectations for Foliar Diseases and Phytophthora

Josh McGillDiseases, hurricane

By Megan Dewdney For foliar diseases, 2022 started off easily with limited outbreaks in Florida because the spring was dryer than average. The same La Niña weather pattern responsible for the dry conditions of the last two springs is predicted to occur again this winter into early spring. The weather pattern is then predicted to become a neutral pattern with …

Rust Mite Damage and Management

Josh McGillBrazil, Pests

Phyllocoptruta oleivora, known as the false rust mite in Brazil, is one of the country’s main citrus pests, Fundecitrus reported. In the United States, the pest is known as citrus rust mite or silver mite. It affects all varieties of citrus. Infestation in Brazil’s orchards occurs throughout the year but reaches the highest populations between December and June. That’s a …

Small Drops for Chinese Citrus Crops

Josh McGillCrop Forecast, International

Chinese production of tangerines/mandarins and grapefruit/pomelos in 2022–23 are both forecast to dip slightly from prior year levels. The forecast was issued by the U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS). TANGERINES AND MANDARINSProduction of tangerines and mandarins is forecast at 26.5 million metric tons (MMT) in 2022–23, compared to 27 MMT the prior year. The forecast reflects …

Psyllids Confirmed in Sonoma County, California

Josh McGillCalifornia Corner, Psyllids

California officials have confirmed the presence of HLB-spreading Asian citrus psyllids in a residential area east of Sonoma. The confirmation came following analysis of a survey trap set by the Sonoma County Department of Agriculture. The county department is coordinating with the California Department of Food and Agriculture (CDFA) in responding to the pest’s presence in Sonoma Valley. “Discovery of …

There Is No Crystal Ball

Josh McGillextension, hurricane

By Ajia Paolillo There is no crystal ball when it comes to anything in life, including agriculture. Growers are at the mercy of Mother Nature’s glory and fury. Over time, the citrus industry has developed production techniques and practices to help during the hard times. Microsprinkler irrigation is used both to provide targeted, much needed water during bloom, fruit set …

Leading Citrus Producers of the World

Josh McGillCrop Forecast, International

Brazil will continue to lead the world in orange and orange juice production in 2022–23. China continues to produce the most tangerines/mandarins and grapefruit. Mexico will remain the largest producer of lemons and limes.  Global production of all varieties is forecast to be lower in 2022–23 than in the prior year. These projections were made by the U.S. Department of …

Update on Japanese Citrus

Josh McGillCrop Forecast, International

The U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) recently issued forecasts for Japanese citrus production. Covered crops included the following: ORANGESJapanese 2022–23 orange production is forecast at 5,600 metric tons (MT), a decline of 2% from the previous year. Orange harvested area is projected to fall by 1.2% to 395 hectares. Orange imports are forecast at 80,000 MT …

Effects of Compost and Organic Amendments on Weed Control

Josh McGillResearch, weeds

By Ramdas Kanissery and Mahesh Bashyal Using compost and soil amendments is beneficial to Florida citrus groves. Florida soils are sandy and have a low organic matter and cation exchange capacity. Adding compost and organic amendments (e.g., humic acid) can enhance the soil’s ability to retain water and nutrients. These practices can also boost soil microbial activity and improve soil …

china

Brazil’s Orange Forecast Climbs Slightly 

Josh McGillBrazil, Crop Forecast

The third 2022–23 orange crop forecast for Brazil’s São Paulo and West-Southwest Minas Gerais citrus belt amounted to 316.23 million boxes of 40.8 kilograms each. That is 0.7% higher than the projected crop in December 2022. This increase is mainly due to the production of Pera Rio orange. Pera Rio’s harvest is close to complete with higher-than-expected yield. The forecast …