National recognition, new findings on black spot control, and research on antimicrobial peptides highlight the September episode of the All In For Citrus podcast. Citrus Research and Education Center Director Michael Rogers starts the episode with the announcement that the University of Florida was ranked in the top 10 of U.S. News and World Report’s Top Public Schools list. Rogers …
Season’s OJ Sales Up Nearly 13 Percent
The increase in sales of U.S. orange juice (OJ) that began during the early days of COVID-19 is continuing, according to Marisa Zansler, director of the Florida Department of Citrus Economic and Market Research Department. Zansler told the Florida Citrus Commission on Sept. 16 that as consumers began to adapt to a new normal while still living under COVID-19 conditions, …
Growers Sustain Losses
Not many watching a recent virtual Citrus Expo presentation were surprised by Ariel Singerman’s declaration that “taking into account total cost, on average, growers sustained a loss” in the 2019-20 Florida citrus season. Singerman, a University of Florida Institute of Food and Agricultural Sciences economist, pegged the average per-acre losses at $1,606 for early-midseason oranges and $1,254 for Valencias. Singerman …
CCM Supports Plan to Address Imports
On Sept. 10, California Citrus Mutual (CCM) commended the Office of the U.S. Trade Representative (USTR), U.S. Department of Agriculture and U.S. Department of Commerce (DOC) for the actions they recently announced to address the injury caused by increased imports of seasonal and perishable products. The federal Report on Seasonal and Perishable Products in U.S. Commerce was announced earlier this …
Row-Middle Weed Management Methods
By Ramdas Kanissery, Miurel Brewer, Davie Kadyampakeni and Sarah Strauss Florida growers face problems with weeds throughout the year due to favorable weather conditions that allow rapid proliferation and lush growth of weeds in groves. While a weed-free tree row is desired to minimize competition with citrus, it is also essential to manage the weeds or vegetation in the row …
Physical Distancing in the Citrus Industry
By Michelle Danyluk and Ben Chapman While there is no evidence that the COVID-19 virus is a food-safety concern, it certainly is a worker health concern. It spreads person-to-person through close contact (defined as within 6 feet for more than 15 minutes) or by contact with contaminated surfaces. Systematically walking through the grove, packinghouse or processing plant and thinking about …
Genetics and Nutrition Are the ‘Way Forward’
“The combination of improved scion/rootstock genetics and optimized nutrition is clearly the way forward” for Florida’s HLB-stricken citrus industry, Jude Grosser declared in a Florida Citrus Growers’ Institute virtual presentation. Grosser is a University of Florida Institute of Food and Agricultural Sciences plant breeder. The Growers’ Institute is normally held in April but was cancelled this year due to COVID-19. …
HLB Solution Could Be Available in Three Years
University of California, Riverside (UCR) scientist Hailing Jin believes she has found a substance capable of controlling the deadly citrus greening disease known as huanglongbing (HLB). The potential cure Jin discovered is a peptide found in the fruit of greening-tolerant Australian finger limes, which have been consumed by humans for hundreds of years. Invaio Sciences, Inc., a multi-platform technology company …
Organic Solutions to Citrus Greening Sought
The Organic Center is currently working with the University of Florida, the University of California, Riverside, and several citrus growers and industry members to conduct a national review of how citrus greening disease is impacting organic growers and other industry members. The information will be used to develop a large-scale holistic research project proposal targeted toward protecting organic citrus growers from citrus …
Stefanou to Lead USDA Economic Research Service
University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) scientist Spiro Stefanou has been appointed as U.S. Department of Agriculture Economic Research Service (USDA/ERS) administrator. Stefanou was a professor in the UF/IFAS food and resource economics department. The mission of USDA/ERS is to anticipate trends and emerging issues in agriculture, food, the environment and rural America and to conduct high-quality, …
Nutrition: Get the Rate Right
Davie Kadyampakeni emphasized the importance of the four Rs of good nutrition of HLB-affected orange trees, with a heavy focus on the “right rate” of nutrient use. The other three Rs are right time, right placement and right source of nutrient applications. Kadyampakeni, a University of Florida Institute of Food and Agricultural Sciences researcher, discussed nutrition at this year’s virtual …
New Guidance on How to Handle Unsolicited Seeds
People receiving unsolicited seeds or plant material through the mail should either report the seeds and submit them for testing or dispose of them using the method described below. This advice comes from the Florida Department of Agriculture and Consumer Services (FDACS). The seed packets, which have recently arrived unexpectedly in Florida and throughout the United States in packages with …
Keeping the OJ Momentum Going
Florida Department of Citrus (FDOC) staff has been “hard at work ensuring the momentum experienced by the orange juice (OJ) category earlier this year doesn’t fade as we usher in the fall,” Ned Hancock stated recently. Hancock, chairman of the Florida Citrus Commission, provided that information and more in an update to the citrus industry on FDOC activities. Hancock said …
Gibberellic Acid: Increase Fruit Size and Yield, Reduce Drop
By Tripti Vashisth and Megan Dewdney This article discusses the use of gibberellic acid (GA), the naturally occurring plant hormone, on huanglongbing (HLB)-affected trees. The results were generated from a 3-year trial in which Valencia trees were treated with GA in the fall. The outcomes suggest that GA can be effectively used for synchronizing and suppressing profuse flowering without negatively …
Face Coverings Essential in the Citrus Industry
By Michelle Danyluk and Ben Chapman COVID-19 has changed so much about how we operate. Managing COVID-19 amongst workers is extremely important. Its impacts on the health of employees can have catastrophic effects when operations are shuttered by health departments if the virus spreads out of control. This has happened in many food and agriculture sectors. There have been hundreds …
Pest Management Under Bags
Many Florida citrus growers in recent years have used individual protective covers (IPCs), often referred to as “bags,” for pest management, especially to protect young trees from HLB-spreading Asian citrus psyllids. Lauren Diepenbrock addressed the benefits and challenges of IPCs at this year’s virtual Citrus Expo. Diepenbrock is an assistant professor of entomology at the University of Florida Institute of …
Mutual Reacts to Federal Plan for Imports
A recently announced Trump administration plan (see the full 28-page document) to address the threat posed by increased foreign imports to American producers of seasonal and perishable fruits and vegetables does not specifically address citrus. But Florida Citrus Mutual (FCM) Executive Vice President/CEO Mike Sparks noted that many of Florida’s other fruits and vegetables weren’t specifically addressed in the plan, …
Oak Leaf Extract and Mulch for HLB
Researchers on the Indian River have proved “there is something in the oak leaf that can work” against HLB, said Lorenzo Rossi. “I’m not saying that I found the cure, and I’m not saying that oak extract will save the citrus industry.” He described oak extract, and possibly oak mulch, as another tool against HLB. Rossi, a University of Florida …
AI Will Be Another Tool for Citrus Greening
Artificial intelligence (AI) will likely help growers and researchers cope with citrus greening (huanglongbing, known as HLB) and other citrus problems over the long run. That’s the belief of J. Scott Angle, the new head of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS). Angle, UF’s vice president for agriculture and natural resources, says AI is a …
U.S. Citrus Production Declines
Citrus utilized production in the United States for the 2019-20 season totaled 7.78 million tons, down 4 percent from the 2018-19 season. The production figures come from the Citrus Fruits 2020 Summary, a U.S. Department of Agriculture National Agricultural Statistics Service document. California accounted for 54 percent of total U.S. citrus; Florida totaled 42 percent, and Texas and Arizona produced …