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 …

New Invasive Pest to Watch for in Florida Citrus

Josh McGillPests

By Maegan Beatty An invasive butterfly that seriously damages citrus trees has been spotted in Florida. The lime swallowtail (Papilio demoleus) is an invasive species from Asia that has harmed citrus trees in the Caribbean for almost 20 years. The butterfly has a wingspan of nearly 4 inches with black and white marks across the wings and a red-orange dot …

citrus

OLL Sweet Oranges Producing Pre-HLB Fruit Quality

Josh McGillTip of the Week, Varieties

By Jude Grosser, Fred Gmitter and Maria Brenelli The new OLL (Orie and Louise Lee) series of sweet oranges (OLL-4, OLL-8 and OLL-20) are very high-quality processing sweet oranges that generally produce higher soluble solids and better juice color than Valencia. OLL trees are more vigorous than Valencia, and anecdotal evidence suggests they are slightly more HLB-tolerant than Valencia. Trees …

South African

Much Less Citrus Production in Turkey

Josh McGillCrop Forecast, International

Fresh mandarin/tangerine, lemon and grapefruit production in Turkey is forecast to decline in 2022–23 compared to the prior year due to freezing temperatures in March 2022. Orange juice (OJ) production will likely be unchanged, while orange production will significantly decline. The forecast was issued by the U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS).   TANGERINES/MANDARINSOverall tangerine production is forecast …

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 …

Sourcing Sweetness Compounds in Citrus

Josh McGillAll In For Citrus Podcast, Research

A lot goes into a piece of citrus fruit. Down to the molecular level, there’s millions of compounds that make up Florida’s signature crop. Researchers at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) are exploring the genetic building blocks of citrus to learn how individual compounds can be used to enhance the fruit. Those applications might …

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 …

record

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 …

Stelinski and Wang Among UF Faculty Honored

Josh McGillAwards

The American Association for the Advancement of Science (AAAS) has elected 19 University of Florida faculty to its newest class. The honor recognizes extraordinary impact and achievement across disciplines. Two of those honored, Lukasz Stelinski and Nian Wang, work at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center.  Stelinski is a professor …

IPCs

Keeping Trees Healthy After Removing IPCs

Josh McGillIPCs, Research

Researchers and growers have found that individual protective covers (IPCs) can keep young trees free of HLB for two or more years while providing additional benefits like improved tree growth. The IPCs work by keeping HLB-infecting Asian citrus psyllids out of the tree canopies. But trees outgrow the covers and must eventually be removed. Researchers have found that about 60% …

Mexico’s Citrus Crops Expected to Slide

Josh McGillCrop Forecast, Mexico

The U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) has forecast Mexico’s crops of lemons, limes and grapefruit will be lower in 2022–23 than in the prior year. LEMON/LIMEThe lemon/lime production forecast for 2022–23 is 2.8 million metric tons (MMT), 7% lower than the previous year. Lemons and limes are the second largest category of citrus produced in Mexico, …

Natalie’s Partners With Florida State Parks

Josh McGillIndustry News Release

Natalie’s Orchid Island Juice Company has partnered with the Florida State Parks Foundation to become the official 2023 sponsor of the Florida State Parks Junior Ranger Program. As part of the partnership, Natalie’s will help fund the printing of the program’s Junior Ranger Kits. Natalie’s also will give away up to 200 Florida State Parks annual entrance passes and provide …

Florida Orange Forecast Continues to Fall

Tacy CalliesCrop Forecast

February’s federal citrus forecast trimmed another 2 million boxes from Florida’s projected orange crop, dropping expected 2022–23 production to 16 million boxes. That’s an 11% drop from what had already been projected to be a historically low orange crop. The forecast was issued by the U.S. Department of Agriculture National Agricultural Statistics Service (USDA NASS). If the Florida orange forecast …

Alico Shares Quarterly Update

Josh McGillfinancial, hurricane, Industry News Release

Alico Citrus harvested 841,000 boxes of early- and mid-season (early/mid) oranges for the three months ended Dec. 31, 2022. That’s a decrease of approximately 6.1% from the same period in the prior fiscal year. The company will complete harvesting of early/mid oranges in the current fiscal year. It said it will recognize an overall decrease in the number of early/mid …

Lawsuit Alleges Juice Contains Chemicals

Josh McGillLegal

A New York man claims Simply Tropical juice drink is falsely labeled as “all natural” when it contains synthetic and toxic chemicals. Joseph Lurenz, individually and on behalf of all others similarly situated, filed a complaint Dec. 28 in the U.S. District Court for the Southern District of New York against The Coca-Cola Company and The Simply Orange Juice Company. …

Trialing Tree Immunizations for HLB, Xylella

Josh McGillHLB Management, International, Research

Australia’s Hort Innovation has announced an $8.7 million investment to trial tree immunizations that protect Australia’s horticulture industries against the deadly huanglongbing (HLB) and Xylella diseases (including citrus variegated chlorosis). Hort Innovation is a grower-owned, not-for-profit research and development corporation for Australia’s horticulture industry. Hort Innovation Chief Executive Brett Fifield said the investment aims to safeguard key Australian horticulture industries by …

Prepare for the Possibility of Postbloom Fruit Drop 

Josh McGillDiseases, Tip of the Week

By Megan M. Dewdney Postbloom fruit drop (PFD) is a sporadic flower disease. It is primarily caused by the fungus Colletotrichum acutatum. While infections only occur on flowers, the fungus is present on trees throughout the year. It survives by producing resting structures on leaves and stems. How the inoculum survives multiple years between infections is still unclear. The fungus …

Natural Compounds Might Fight HLB

Josh McGillHLB Management, Research

The U.S. Department of Agriculture (USDA) has awarded Florida International University (FIU) scientists $500,000 to investigate natural compounds that could suppress or even eliminate the bacteria that causes HLB. FIU Institute of Environment researcher Kateel Shetty is leading the search for an antimicrobial compound that could help citrus growers. The FIU team’s theory is that if they can identify a …

Psyllids and HLB in Georgia Citrus

Josh McGillGeorgia, Psyllids

When commercial citrus acreage started migrating north some years ago, the big question was: To what extent would Asian citrus psyllids (ACP) and HLB migrate with the crop? With citrus getting well established in South Georgia, the pest and disease are there, but not yet at devastating levels like in Florida. Johnathan Oliver, an assistant professor of fruit pathology with …