Work on HLB carried out at Fundecitrus by student Leandro Jun Soki Shibutani was honored at the recent Brazilian Congress of Phytopathology. The first part of Shibutani’s dissertation on the theme “Frequency of spraying thiamethoxam and transmission of Candidatus Liberibacter asiaticus in orange trees under constant arrival of infective psyllids” took second place in the Best Master’s Works category. It …
The Status of Citrus Canker in Georgia
Citrus canker was found for the first time in Georgia this past season. Unfortunately, it may be here to stay. Jonathan Oliver, University of Georgia (UGA) assistant professor and small fruits pathologist, talked about the disease during a citrus meeting in Valdosta, Georgia, on Aug. 9. He emphasized that Georgia producers may have to learn to live with the disease …
Fundecitrus Researchers Honored for HLB Article
Six Fundecitrus researchers recently received an award from the journal Tropical Plant Pathology, edited by the Brazilian Society of Phytopathology. The award is in recognition of the researchers’ work in the scientific article “Overview of citrus huanglongbing spread and management strategies in Brazil.” The researchers honored are Renato Beozzo Bassanezi, Sílvio Aparecido Lopes, Marcelo Pedreira de Miranda, Nelson Arno Wulff, …
The Benefits of Growing Citrus on UV-Metalized Reflective Mulch
By Jawwad Qureshi, Lauren Diepenbrock and Davie Kadyampakeni Protecting citrus trees from the Asian citrus psyllid (ACP) is critical to reducing the spread and severity of huanglongbing (HLB) or citrus greening disease. ACP, the vector of the pathogen responsible for causing HLB in citrus, needs young shoots to develop and reproduce. The frequent availability of viable shoots in young trees …
Orange Juice Shortages and Staggering Prices
By Marisa L. Zansler The orange juice (OJ) category has experienced turbulence over the past four years, characterized by volatility in prices, sales and distribution. Initially, the category declined in volume sales amid a saturated beverage market, with numerous options vying for consumers’ attention. However, the pandemic in early 2020 revitalized consumer interest, positioning OJ as a convenient and healthy …
Alico Discusses Trunk Injection and Next Season
Alico, Inc. began treating citrus trees in January 2023 with an oxytetracycline (OTC) product via trunk injection as a citrus greening therapy. “Through June 30, 2023, we have treated over 35% of our trees with OTC, which is expected to mitigate some of the impacts of citrus greening and is expected to decrease the rate of fruit drop, as well …
Psyllids Reach Historically High Levels in Brazil
Populations of Asian citrus psyllids in the Brazilian states of São Paulo and Minas Gerais have hit historically high levels, Fundecitrus recently reported. Fundecitrus described the development as “alarming” because the psyllids spread citrus greening disease. Reversing the situation requires immediate and joint action among citrus growers in the same micro-region, Fundecitrus stated. It reported that in the first half …
Japanese Agency Tours Florida Citrus Industry
Yamano & Associates, Florida Department of Citrus (FDOC) partner agency in Japan for over 40 years, recently concluded an educational tour in Florida, continuing its efforts to explore and engage with key individuals in the Florida citrus industry. The two-day tour provided the agency with a unique opportunity to closely observe the operations and processes involved in the Florida citrus …
Rossi Selected for Leadership Training
Lorenzo Rossi, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) assistant professor, has been selected to train in the American Society for Horticultural Science’s Leadership Academy. Rossi leads a team of 15 associates who perform research to support high-value crops, including citrus, at the UF/IFAS Indian River Research and Education Center in Fort Pierce. He was selected for …
Fundecitrus Participates in Argentine Citriculture Congress
Specialists from Brazil’s Fundecitrus recently participated in the Argentine Citriculture Congress in Concordia, Argentina. They were among more than 400 at the event. Participants included producers, researchers and students. Fundecitrus researcher Renato Bassanezi gave the opening lecture on epidemiology and management of greening in Brazil. He also participated in a round table discussion on the current status of advances in …
Grapefruit Rootstock/Scion Research Update
University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers Mark Ritenour and Flavia Zambon recently provided an update on a large field trial. The project is called Evaluation of Potential HLB Tolerant Grapefruit Rootstock/Scion Combinations in the Indian River District of Florida. A summary of their update follows: The project started as a collaborative effort between the UF/IFAS …
Greasy-Green Research Update
University of Florida Institute of Food and Agricultural Sciences researchers Megan Dewdney, Mark Ritenour, Liliana Cano, Eva Mulandesa and Monty Myers recently provided an update of their greasy-green disorder research. Excerpts follow from the Indian River Citrus League’s River Ramblings publication: “Greasy green” is a term applied to fruit that develop what appears to be greasy spot rind blotch symptoms …
Fundecitrus App Aids Psyllid Insecticide Rotation
The Fundecitrus app, launched in February, has a new feature to help citrus growers properly rotate insecticides to manage the psyllid that spreads citrus greening disease. The new feature helps growers choose insecticides with different modes of action. The use of insecticides with the same mode of action in sequential applications can result in an increase in the frequency of …
Highlights from the Florida Citrus Industry Annual Conference
Florida Citrus Mutual provided a summary of its Florida Citrus Industry Annual Conference held in June: After a year full of challenges, the 2023 Florida Citrus Industry Annual Conference once again offered an opportunity for more than 500 growers, allied members, family and friends to come together and focus on the highlights of the year and the promise of better …
Citrus Grower Forum Focused on New Peptide Product
The University of Florida Institute of Food and Agricultural Sciences Citrus Research and Education Center hosted a grower forum in mid-June. An educational program during the event provided growers with information on a new HLB therapy working its way through regulatory approvals. The peptide-based product will go by the name Aura Citrus and will be marketed by Nutrien once it …
Managing Micronutrients in HLB-Affected Trees
By Davie Kadyampakeni Nutrients are needed for optimal tree growth, fruit yields and juice quality. Any nutrient deficiencies could result in low yields and decreased revenue, so it is essential to make sure citrus trees receive adequate nutrient supplies at all times. Micronutrients, though required in minute quantities, are especially important for citrus trees impacted by citrus greening. Examples of …
Update on the Cold-Hardy Citrus Region
By Danielle Sprague Williams In North Florida and South Georgia, there has been a significant growth in citrus production due to the relatively mild winters, advances in freeze protection and cold-hardy citrus varieties. In addition to this, there is a relatively low incidence of the citrus greening pathogen and its vector, the Asian citrus psyllid. Due to these factors, many …
Using Cover Crops to Improve Soil Health
By Sarah Strauss, Emma Dawson and Elena Karlsen-Ayala The term “soil health” has become increasingly popular in the last several years. While there are many definitions of soil health, one of the more commonly cited ones is from the U.S. Department of Agriculture (USDA) Natural Resources Conservation Service (NRCS). It defines soil health as “…the continued capacity of a soil …
Grower Achieves High Brix and Stops Drop
Low Brix has been a major problem plaguing the Florida citrus industry in recent years. While many growers are struggling to achieve the minimum required Brix level, this has not been an issue for citrus grower Chip Henry. He recently shared how he believes his organic production techniques contribute to high Brix as well as stopping premature fruit drop in …
HLB Researcher Honored
Fundecitrus researcher Marcelo Pedreira de Miranda has received the Outstanding Citriculture Engineer-Agronomist Award from the 48th Expocitrus and 44th Citriculture Week. The Brazilian entomologist, whose main studies are related to HLB, has worked at Fundecitrus since 2008. The award ceremony where Miranda was honored was part of the opening afternoon of the exhibition week and was attended by authorities and …