Amit Levy with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) describes research he’s conducting into the way the causal agent of HLB interacts with a citrus tree. The causal agent is the bacterium Candidatus Liberibacter asiaticus (CLas). Levy, whose research is funded by a U.S. Department of Agriculture grant, says CLas is found in a citrus …
Hesperidin to Be Tested Against COVID-19
The National Institutes of Health’s National Center of Biotechnology Information (NCBI) recently announced plans to evaluate the clinical efficacy of hesperidin against COVID-19. Orange juice and sweet oranges contain hesperidin. NCBI referred to hesperidin as “an old herbal medicine … used to treat vascular diseases in Europe and Australia and distributed with vitamin C as a dietary supplement in the …
COVID-19 Emergency Standards for California
The California Department of Industrial Relations adopted emergency temporary standards to protect workers from hazards related to COVID-19. Pending approval by the Office of Administrative Law, the temporary standards will be in effect immediately. The emergency standards will undergo a lengthy review process before becoming permanent California Division of Occupational Safety and Health (Cal/OSHA) standards. The temporary standards apply to …
John Gose: Serving Youth and Industry
Ray Royce readily acknowledges grower and nurseryman John Gose’s many contributions to the Florida citrus industry, including serving “on way too many advisory committees to list.” Gose has even been president of the Highlands County Citrus Growers Association, where Royce is executive director. PROGRAM LEADERSHIPBut it’s not Gose’s work with growers that most impresses the association executive. “I always think …
Grapefruit and Drugs: A Conversation
University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus breeder Fred Gmitter recently had an email conversation with a retired Swedish pediatrician about a UF/IFAS grapefruit and pummelo hybrid that likely won’t interact with drugs. The retired physician, Leif Gothefors, had inquired about Gmitter’s work on the hybrid, UF 914. Gothefors noted that he had heard UF 914 …
Texas Research Should Help With HLB
Texas A&M AgriLife Research scientists have made a discovery that should help combat fastidious or “unculturable” pathogens, such as Candidatus Liberibacter asiaticus, the HLB causal agent. HLB is also known as citrus greening disease. Kranthi Mandadi, a researcher with Texas A&M, and his colleagues have been working several years on developing new technologies to fight the fastidious pathogens. Mandadi and …
UF/IFAS Collaborates on HLB Research
Several University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) faculty are collaborating with other universities and organizations on research, especially for HLB. Michael Rogers, director of the UF/IFAS Citrus Research and Education Center (CREC), summarizes the work they are doing on a variety of grant-funded projects. Rogers starts with a U.S. Department of Agriculture (USDA)-funded project led by …
Label Doesn’t Impact Beverage Choices
This year, the U.S. Food and Drug Administration updated the nutrition facts label to highlight certain information, including added sugars, to help consumers make healthier food choices. A University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) study found that the label did not impact consumer beverage choices. “We were interested in how effective the newly updated nutrition label …
Citrus Industry Wants Costa for House Ag Committee Chair
California Citrus Mutual (CCM), Florida Citrus Mutual and Texas Citrus Mutual have voiced their support that California Congressman Jim Costa (D-Fresno) be appointed as the new chair of the House Agriculture Committee. A CCM press release stated that Costa understands the industry’s issues, such as pest and disease, trade, water and immigration. Notably, Costa was instrumental in securing federal funding …
Things to Be Thankful for This Year
By Ruth Borger Despite 2020 being a challenging year with a lot to complain about, there are many things to be thankful for. This is the time of year to take a few minutes to reflect on what we have to be grateful for. Here are just a few things to be thankful for that come quickly to mind. A …
Research Update on Individual Protective Covers
By Fernando Alferez, Susmita Gaire, Ute Albrecht, Ozgur Batuman, Jawwad Qureshi and Mongi Zekri It has been nearly three years since the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) started its studies on individual protective covers (IPCs). The objective of this study is to evaluate the feasibility of IPCs as a strategy to prevent HLB infection of …
Pruning Principles for High-Quality Citrus
Planting citrus varieties for fresh market production has increased in popularity. With these potentially high-value crops come concerns about management practices, including pruning. Recently, Fernando Alferez informed growers in a virtual presentation about manual pruning principles. Alferez is a University of Florida Institute of Food and Agricultural Sciences citrus horticulturist at the Southwest Florida Research and Education Center. According to …
PIECES OF THE PAST: Thanksgiving Joys
By Brenda Eubanks Burnette I just found several old Thanksgiving postcards with citrus themes that are quite beautiful. They are from an era when postage was a penny, and people sent postcards to friends and family on holidays. With everything going on in our world today, the postcards reminded me of the importance in reflecting on what’s good in our …
All In For Citrus Podcast, November 2020
The November episode of the All In For Citrus podcast covers a multitude of grant-funded research that the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus team both leads and collaborates on. Citrus Research and Education Center Director Michael Rogers begins the podcast with a discussion on research projects UF/IFAS scientists are playing critical roles in collaborative …
Field-Tested Peptide Treats Citrus Greening
Elemental Enzymes, a St. Louis biotechnology firm, has obtained a patent for a natural peptide solution to treat citrus greening disease. The peptide solution, Vismax, is readying for commercialization and is expected to reach the market by 2022. Vismax has been developed and extensively field tested, says Brian Thompson, CEO of Elemental Enzymes. Thompson gave a presentation on Nov. 18 …
SWFREC Recognizes Growers During Farm-City Week
Nov. 18-25 is National Farm-City Week, a time to recognize and honor the contributions of the country’s agriculturalists and to strengthen the bond between urban and rural citizens. The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Southwest Florida Research and Education Center (SWFREC) took the opportunity to recognize the agriculturists in its area. Some of its statements …
Scout IPCs for Pests
By Jawwad Qureshi Young citrus trees produce shoots with feather-stage leaves more frequently, making them highly attractive to the Asian citrus psyllid (ACP). This pest requires young shoots with feather-stage leaves to develop and reproduce. ACP is the pathogen’s primary vector responsible for causing huanglongbing (HLB) disease. Plant infection with HLB at an early age makes it challenging to bring …
Spotting the Symptoms of Citrus Black Spot
University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Extension recently provided the following information about identification of citrus black spot (CBS): Fruit symptoms can be observed around this time of year with the onset of color break and fruit maturity. Growers and agricultural workers should learn to identify the symptoms of CBS even if they are not located …
Adjuvants Did Not Improve Delivery of Foliar-Applied Oxytetracycline
In 2016, federal authorities began allowing Florida citrus growers to spray oxytetracycline solutions on their trees to combat citrus greening disease. Since then, researchers have been investigating oxytetracycline delivery methods. In a Citrus Expo presentation, Christopher Vincent, assistant professor of horticultural sciences at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center, shared …
Florida Citrus Packers: South Africa Imports Pose Risk
The U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (USDA/APHIS) announced it is authorizing the importation of cold-treated fresh citrus from South Africa into all U.S. ports of entry. Previously, APHIS restricted the entry of cold-treated citrus fruit from South Africa to four U.S. ports that have cold-treatment facilities. APHIS scientists determined that citrus fruit from South Africa, …