Kirsten Pelz-Stelinski, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) associate professor, recently discussed her research on bacteria associated with Asian citrus psyllids. This includes endosymbiotic bacteria that live inside of psyllids as well as the liberibacter that causes citrus greening disease. Her research is looking at how these microorganisms can be targeted inside the psyllid to reduce …
Soil Organic Matter Helps Fight HLB
By Sean Stokes, Thomas Borch and Pankaj Trivedi The benefits of soil organic matter (SOM) in agriculture have been well documented and include both improved water and nutrient retention. SOM is also essential for a properly functioning rhizosphere microbiome. However, the natural level of SOM in the sandy, acidic soil of Florida’s citrus grove regions is often around 1 percent, …
Consumer Response to OJ During COVID-19
Yan Heng, Marisa Zansler and Lisa House have authored a new study on consumer response to orange juice (OJ) during the COVID-19 outbreak. Heng is a research assistant scientist and House is a professor, both with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Food and Resource Economics Department. Zansler is the director of the Economic and …
Cost-Effective Psyllid Control Strategies
Lukasz Stelinski makes the case that reducing HLB-spreading Asian citrus psyllid (ACP) populations improves tree health — even when trees already have HLB. The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) entomologist offers several tips about psyllid control in a new presentation available online. Keeping ACP populations down seems to help yield, Stelinski states. His hypothesis is …
New Opportunity for Citrus Growers to Earn CEUs Online
When the annual 2020 Florida Citrus Growers’ Institute was canceled due to the stay-at-home guidelines recommended by the state, growers were shut out of learning the latest research updates from University of Florida citrus scientists. In addition, they were denied access to earning valuable continuing education units (CEUs) needed to renew pesticide licenses. University of Florida/Institute of Food and Agricultural …
Opposition to South African Citrus Imports Into Georgia
Two associations representing Georgia citrus growers expressed strong concerns about a federal proposal to remove restrictions on the ports of entry into which South African citrus may enter the United States. Removal of port restrictions would allow the importation of the citrus into all U.S. ports, including Savannah, Georgia. The restriction removal was proposed by the U.S. Department of Agriculture’s …
A Case for an OJ Tax Hike
Florida Citrus Commission Chairman Ned Hancock on June 5 made a case for increasing the Florida Department of Citrus’ (FDOC) grower tax on oranges processed for juice. “With a new season ahead of us, we have an opportunity to not only adjust our marketing approach to fit the needs of the ever-changing consumer but also best support the Florida grower,” …
Fruit Drop of Citrus in Summer Months
By Tripti Vashisth, Megan Dewdney and Lauren Diepenbrock This article summarizes what is known about summer fruit drop in healthy citrus trees and those with huanglongbing (HLB). Also discussed is how HLB can affect early fruit development and exacerbate fruit drop. Additionally, strategies to reduce summer fruit drop are included. Citrus flowers profusely, but less than 2 percent of the …
UF/IFAS Remains Resilient Amid COVID-19 Challenges
The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) hosted a virtual statewide discussion for stakeholders on June 8 to provide an update on its initiatives. The emphasis was on efforts and issues related to the COVID-19 pandemic. During the webinar, Nick Place, UF/IFAS Extension dean and director, highlighted Extension’s efforts to address the COVID-19 challenges. “This has …
Gulf Citrus Growers Association Elects Leaders
Ron Mahan of Tamiami Citrus, LLC has been elected president of the Gulf Citrus Growers Association (GCGA) for 2020-21. Other officers are Vice President Danny Sutton of Alico, Inc., Secretary Wayne Simmons of LaBelle Fruit Co., LLC and Treasurer Rob Atchley of A. Duda & Sons, Inc. The elections were held during the association’s 34th annual meeting on June 3. …
More CRAFT Plantings to Come
A second phase of government-supported HLB research projects in Florida’s commercial groves is expected to be initiated this year by the Citrus Research and Field Trial (CRAFT) Foundation. A first phase, in which participating growers must have trees in the ground before June 30, saw growers signing up for 46 projects on 2,032 acres. Learn more about the first phase …
Antibiotics Used in Citrus
A new University of Florida Institute of Food and Agricultural Sciences Extension document, Antibiotics in Crop Production, was published in May by Leigh Archer, Ute Albrecht and Pamela Roberts. The authors found that the use of antibiotics has resulted in the successful control of bacterial diseases in some crops but not in others. The publication includes research information on antibiotics …
Cover Crops Benefit California Citrus Grower
A California citrus grower says he has substantially increased water retention and decreased irrigation usage by planting cover crops. Chris Sayer, of Petty Ranch, says he has added about 3 percent organic content to his soil, which has reduced irrigation water usage from 2 acre feet to 1.25 to 1.5 acre feet. Sayer is a fifth-generation Ventura County farmer. He …
Cocaine Found in Orange Shipment
Three Florida men were charged in a conspiracy to import and distribute cocaine after the contraband was found in a fresh orange shipment. The United States Attorney’s Office for the Southern District of Georgia on June 3 reported the charges and the actions leading to them. Juan De Jesus Gutierrez, 45, Jonathan Mejia, 41, and Ricardo Sanchez Ortiz, 46, all of Kissimmee, Florida, were charged …
HLB Brings Nutrition Guideline Changes
An updated nutrition guide from the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) provides new information for properly fertilizing HLB-impacted trees. Nutrition of Florida Citrus Trees, 3rd Edition was updated by researchers Kelly Morgan and Davie Kadyampakeni. Morgan, director of the Southwest Florida Research and Education Center, says growers have been requesting an update of the guide …
Technology Helps Growers Count Citrus Trees
In his quest to find the right drone and other artificial intelligence to help ensure citrus growers get an accurate count of their crop, Yiannis Ampatzidis and his research team have developed a system known as Agroview. The technology saves farmers time and money and helps them accurately count their trees, which is important for insurance purposes. The latest results …
UF/IFAS Extension Agents Team Up to Better Serve Citrus Growers
Florida’s citrus growers have long benefited from productive relationships with University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Extension commercial citrus agents. And it’s about to get better. Citrus agents operating in Hillsborough, Polk, Highlands, DeSoto, Hardee and Manatee counties are launching a new newsletter. They hope to use the platform to streamline important communications with growers, share …
Trunk Injection Considerations
A presentation titled “Trunk Injection: Difficulties and Considerations” is one of the first from the cancelled 2020 Florida Citrus Growers’ Institute to become available online. The annual event was cancelled because of COVID-19. The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) is working to make additional presentations that were intended for the Florida Citrus Growers’ Institute available …
Malcolm Manners: Model Professor, Admired Mentor
In college, Malcolm Manners saw his share of “really good” and “really bad” professors. When he decided to become a professor himself, he tried to use the best ones as his pattern. “They could catch a student’s interest and educate rather than preach,” he recalls. Manners just began his 40th year as an educator at Florida Southern College (FSC) in …
Grower Cuts Costs and Gains Customer Loyalty
By Sarah Bostick Grocery stores have trained the customer to expect exactly one type of fruit: spotless. Anyone who grows citrus for a living knows that achieving spotless fruit can be an expensive and time-consuming endeavor. There is a growing movement in the United States that is pushing back against the idea that fruits and vegetables must be spotless to …