OJ Helps Modulate Blood Glucose Levels

Josh McGillBrazil, Orange Juice, Research

Recent Brazilian research indicates that the bioactive compounds in orange juice (OJ) help to modulate blood glucose levels and may even promote health improvements. The research was conducted by the Food Research Center of the Faculty of Pharmaceutical Sciences of the University of São Paulo. The research was highlighted in Fundecitrus’ Citricultor magazine. According to principal researcher Franco Lajolo, oranges …

Morocco Mandarin and Orange Update

Josh McGillInternational, Mandarins

Morocco’s production and export of mandarins and oranges are detailed in a recent U.S. Department of Agriculture Foreign Agricultural Service (USDA/FAS) report on Morocco fruit exports. MANDARINSMandarin production in Morocco doubled during the last 10 years, to 1.4 million tons in 2021–22. Production is concentrated in the Souss-Massa, Gharb and Oriental regions. Area harvested expanded nearly 50% but has been …

Pruning Recommendations and Benefits

Josh McGillPruning

By Mongi Zekri Pruning is an important grove practice that increases sunlight penetration within the tree canopy. Sunlight enhances flowering, fruit quality and color development. Sunlight also allows foliage to dry quickly after a rain shower, which reduces problems of fungal diseases. Pruning trees can improve fruit quality and increase fruit size. However, tree response to pruning depends on scion …

Hargill Mexfly Quarantine Removed in Texas

Josh McGillPests, Regulation, Texas

Federal and state agriculture officials on Sept. 21 removed the Mexican fruit fly (Mexfly) quarantine in Hargill, Willacy County, Texas, after three generations elapsed with no additional detections in this area. The action was taken by the U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (APHIS) and the Texas Department of Agriculture (TDA). This action releases the final …

Groundcovers Promote Water-Use Efficiency and Pest Management

Josh McGillIrrigation, Pests

By Sandra M. Guzmán, Larry Duncan, John Santiago and Lorenzo Rossi The implementation of pest management technologies might have an impact on other management areas in the grove. Landscape fabric groundcovers, for example, have been used for pest management in citrus production. Groundcovers also recently have been used to promote the homogeneous availability of water for uptake by roots, better …

Post-Hurricane Weed Management

Josh McGillTip of the Week, weeds

By Ramdas Kanissery Hurricanes and the associated flooding will impact weed management in the affected season and the following years. Weeds should be effectively managed after these severe weather events as weeds may take advantage of the reduced competitiveness of recovering trees. INTENSIFY SCOUTINGA critical step in weed management after hurricanes is to scout groves and note the emergence of …

CRISPR Research Update for HLB and Canker

Josh McGillBreeding, Florida Citrus Commission, Research

Yianni Lagos, chief executive officer of Soilcea, told the Florida Citrus Commission (FCC) in October about his company’s efforts to use CRISPR gene editing to aid the citrus industry in its struggles with canker and HLB. Soilcea was founded to find solutions to these citrus diseases. The company has exclusive licenses to patents from the University of Florida to cure …

Ian/Nicole Overlap Complicates Loss Assessments

Josh McGillEconomics, hurricane

Nicole, which came ashore as a hurricane on Nov. 10 before weakening to a tropical storm, impacted much of the same Florida land area that Hurricane Ian damaged in late September. Christa Court, director of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Economic Impact Analysis Program, says due to that overlap, the data her team references …

Oswalt Earns Extension Mentor of the Year Award

Josh McGillAwards, extension

By J. Scott Angle, jangle@ufl.edu, @IFAS_VP Of all the things Chris Oswalt has delivered for the citrus industry — weather data, freeze-protection advice, Extension programming — his most valuable contribution might be his mentorship of a new generation of citrus agents. GUIDING CAREERSYou likely wouldn’t have Danielle Sprague assisting a cold-hardy citrus association in North Florida were it not for …

Florida’s Natural Announces Grower Returns and Officers

Josh McGillIndustry News Release, Orange Juice

Florida’s Natural Growers’ round orange pool for last season paid an average of $3.50 per pound solid, Chief Financial Officer Matthew Woodall announced at the cooperative’s recent annual stockholders’ meeting. Early and midseason oranges paid a combined $3.42 per pound solid, and Valencia oranges paid a combined $3.55 per pound solid. Tangerines paid an average of $2.60 per pound solid, …

$21.7 Million for HLB Research

Josh McGillHLB Management, Research

Seven entities recently received $21.7 million to conduct research into combating and preventing HLB at the farm level. The funding is from the U.S. Department of Agriculture’s National Institute of Food and Agriculture (USDA NIFA) Emergency Citrus Disease Research and Extension program. The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) received the majority of the funding, more …

Irrigation Contributes to Rising Yields in São Paulo

Josh McGillBrazil, Irrigation, Production

Use of irrigation for citrus in Brazil’s state of São Paulo has grown by almost 33% in the last six years, according to Citricultor magazine, published by Fundecitrus. The magazine cites irrigation and other improved growing practices as causes for a continuing yield rate acceleration.      In 35 years, citrus production per hectare in São Paulo has leaped by about 178%, …

Tahiti Limes From Brazil to Be Imported Into United States

Josh McGillBrazil, Export/Import, Limes

The federal government has drafted a pest risk assessment for the importation of fresh Tahiti limes (Citrus latifolia) for consumption from Brazil into the continental United States, Hawaii, Puerto Rico and the U.S. Virgin Islands. The U.S. Department of Agriculture Animal and Plant Health Inspection Service (USDA APHIS) assessment describes potential pests associated with the commodity. APHIS shares draft pest …

Two Types of EQIP Assistance Available

Josh McGillhurricane

Florida agricultural landowners and growers with damages caused by Hurricane Ian can apply for emergency and general assistance through the U.S. Department of Agriculture’s Natural Resources Conservation Service’s (NRCS) Environmental Quality Incentive Program (EQIP). NRCS can provide payments, through conservation program contracts, for EQIP conservation practices that address disaster-related resource concerns on agricultural land. NRCS is issuing EQIP early start …

Wang Honored for HLB Research

Josh McGillAwards

Nian Wang, a University of Florida (UF) Institute of Food and Agricultural Sciences professor, has been awarded one of the school’s 2022 Inventions of the Year for his work on HLB. Wang works in the Microbiology and Cell Science Department at the Citrus Research and Education Center. He worked on controlling HLB by mitigating cell death of the phloem tissues …

Brazilian NFC OJ Exports Boom

Josh McGillBrazil, Export, Orange Juice

Brazilian exports of not-from-concentrate orange juice (NFC OJ) have jumped 296% in volume over the past 18 crop seasons, reaching a peak of 1.5 million tons in the 2017–18 season. During the same period, exports of concentrated OJ declined 46%. Concentrated OJ historically had accounted for the highest volume of shipments of orange products to international markets. The increase in …

California Oranges Shipped to Korea Require Treatment

Josh McGillCalifornia Corner, Regulation

The California Citrus Quality Council (CCQC) is reminding California orange packinghouses that the first preharvest field application of zinc-copper-lime — or a registered alternative — is required for all orange blocks eligible to ship to Korea this season. These fungicide applications are protective treatments for management of Septoria spot. The treatment should be applied between Oct. 15 and Nov. 30.  Zinc-copper-lime or …

OJ Sales Impacted by Inflation

Josh McGillFlorida Department of Citrus, Orange Juice, sales

Approximately 67% of total orange juice (OJ) is consumed through retail channels, and as much as 93% of not-from-concentrate (NFC) OJ is consumed through retail channels. The Florida Citrus Commission (FCC) learned these statistics at its Oct. 26 meeting. Florida Department of Citrus (FDOC) Economic and Market Research Director Marisa Zansler provided the information, along with other citrus juice sales …

Changing Psyllids to Make Them Incapable of Spreading HLB

Josh McGillHLB Management, Research

By Kirsten S. Pelz-Stelinski and Lukasz L. Stelinski Managing Asian citrus psyllids (ACP) remains a consideration for growers because psyllids transmit the citrus greening disease pathogen, Candidatus Liberibacter asiaticus (CLas), to newly planted trees. There are several tools that can reduce psyllid populations or mitigate the symptoms of HLB and improve the health of infected trees. However, additional methods that …

Managing Weeds in California Groves

Josh McGillCalifornia Corner, weeds

By Danielle Leal Over the years, new weeds have surfaced, and old weeds have developed resistance and become tougher to control. Crop scientists are currently researching ways to successfully manage weeds in citrus. Sonia Rios, technical development representative for Bayer Crop Science, said growers are heavily dependent on post-herbicides to help mitigate weeds. “In order to use a pre-herbicide, you …