The element silicon, known to be beneficial to many plants, is being evaluated for advantageous effects on North Florida citrus and blackberries. Horticulturist Muhammad Shahid discussed the benefits of Earth’s second-most-abundant element (after oxygen) during a recent Cold-Tolerant Citrus Production Workshop in Perry, Florida. Shahid is a University of Florida Institute of Food and Agricultural Sciences assistant professor at the …
Changing Psyllids to Make Them Incapable of Spreading HLB
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 …
Fungi Controlling Whiteflies in North Florida
Entomopathogenic fungi have recently been seen attacking citrus whitefly and cloudywinged whitefly nymphs in North Florida citrus groves. Muhammad Shahid, Mujahid Hussain and Danielle Sprague, all with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), wrote about the “friendly” fungi in the October UF/IFAS Cold Hardy Citrus Connection newsletter. Shahid is a horticulturalist and Hussain is a …
Oriental Fruit Fly Quarantine Removed in California
Federal and state agriculture officials removed the Oriental fruit fly (OFF) quarantine in the North Hills area of Los Angeles County, California. The action was taken by the U.S. Department of Agriculture’s (USDA) Animal and Plant Health Inspection Service (APHIS) and the California Department of Food and Agriculture (CDFA). On July 1, APHIS and CDFA established an OFF quarantine in …
Evolution of Sting Nematode Integrated Pest Management
By Homan Regmi, Larry Duncan and Johan Desaeger Two field trials were initiated in a Polk County, Florida, commercial grove of 15-month-old Valencia on Kuharske trees in 2019 to measure the effectiveness of integrated pest management (IPM) tactics for managing sting nematodes (Belonolaimus longicaudatus). Six chemical nematicides, many newly released, were compared in one trial. In the second, perennial peanut …
Sneak Peek: November 2022 Citrus Industry
While irrigation and technology were meant to be the focus of the November issue of Citrus Industry, the aftermath of Hurricane Ian, combined with the low initial crop forecast that does not even account for the storm’s damage, proved to be the much bigger story. Editor-in-Chief Frank Giles provides early details on the hurricane’s damage to Florida’s citrus industry and …
Controlling Pest Pressure Post-Hurricane
University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) multi-county citrus Extension agent Ajia Paolillo summarized suggestions for controlling pest pressure after Hurricane Ian in a recent Extension newsletter. Along with horticultural practices and disease control, growers should be monitoring for pests in their groves post-hurricane. UF/IFAS entomologist Lauren Diepenbrock provided some suggested practices for keeping pest pressure as …
Phytophthora Treatments for Hurricane-Damaged Groves
By Megan Dewdney A priority for the Florida citrus industry is evaluating groves for damage and determining the best course of action going forward after the destruction of Hurricane Ian. One of the many considerations is the effect of flooding on root health, particularly if standing water has remained longer than 72 hours. The main diseases are phytophthora foot, crown …
All In For Citrus Podcast, October 2022
The October All In For Citrus podcast focuses on Hurricane Ian and its impact on the state’s signature crop. The storm tore a path across Florida’s citrus-growing regions, causing hundreds of millions of dollars in damage. Michael Rogers, director of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center, provides details on how …
Citrus Industry More Effective When Collaborative
By Danielle Leal The 2023 California Citrus Conference in Visalia proved collaboration is pivotal when tackling industry issues. The conference, hosted by California’s Citrus Research Board, had a lineup of industry leaders, researchers and others who updated growers on California’s citrus industry. Casey Creamer, president and chief executive officer of California Citrus Mutual, spoke on strengthening the connection between research …
Advocating for Citrus on Capitol Hill
Several California Citrus Mutual (CCM) directors and staff members recently met with U.S. Department of Agriculture (USDA) officials and members of Congress to discuss some of the industry’s biggest priorities. Those priorities include funding for HLB prevention activities and the upcoming 2023 farm bill. CCM directors Matt Fisher, Jared Plumlee, Keith Watkins, Zak Laffite and Julia Inestroza were accompanied on …
Industry Leaders React to Low Forecast
Immediately following the lowest federal crop forecast for Florida citrus in many decades, Florida Agriculture Commissioner Nikki Fried and Florida Department of Citrus Executive Director Shannon Shepp expressed optimism that the industry will strive to recover. Their statements referred to Hurricane Ian, which destroyed much fruit and damaged trees in major portions of the state’s citrus belt. The U.S. Department …
New Insurance Option for Florida Citrus Growers
By Ariel Singerman During the 2021–22 citrus season, the Risk Management Agency (RMA) started offering a new option to Florida citrus growers for insuring their crop. The policy is called Actual Production History (APH) and provides coverage for yield losses based on a farm’s historical records. While the Whole Farm Revenue Protection (WFRP) policy also uses farm records as a …
New Oriental Fruit Fly Quarantine Established in California
Federal and state agriculture authorities on Sept. 16 established an Oriental fruit fly (Bactrocera dorsalis) quarantine in the Fountain Valley area of Orange County, California. The action was taken by the U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (APHIS) and the California Department of Food and Agriculture (CDFA). This action is in response to the confirmed detections …
Mexfly Quarantine Removed in Texas
Federal and state authorities on Aug. 10 removed the Mexican fruit fly (Mexfly) quarantine area in Weslaco, Hidalgo County, Texas. This area was a portion of the Harlingen-Lyford-Weslaco quarantine. 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). On April 8, APHIS and TDA established …
Preventing Further Hurricane Damage in Groves
University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) faculty recommend actions citrus growers can take to prevent further damage to root systems and future fruit drop following Hurricane Ian. DEAL WITH PHYTOPHTHORAIf standing water has occurred in groves with phytophthora problems, growers should evaluate for root damage and treat accordingly. Floodwaters resulting from heavy rains can severely impact …
Meet Matt Joyner
Editor’s note: This Q&A was conducted prior to Hurricane Ian striking Florida. After the storm, Matt Joyner said that Florida Citrus Mutual is working with growers in the recovery process and collecting information to aid in any potential requests for assistance. Matt Joyner started with Florida Citrus Mutual (FCM) in December of 2018 as director of government relations. In April …
Flooded Fields and Food Safety
By Michelle Danyluk In terms of food safety, not all standing water in a field is considered floodwater. Flooding is considered the flowing or overflowing of a field from open bodies of water outside the food crop producer’s control. Events that lead to pooled water or excess standing water in a field, such as rain or a problem with an …
Storm Recovery, Drought & Beyond: 4 Reasons Your Citrus Grove Needs Biologicals
The severe impacts of recent storms are layered on top of the complex set of challenges already facing U.S. citrus growers—especially in Florida. From high input costs to domestic supply shortages, the unmatched devastation caused by citrus greening disease, and now the recovery efforts needed post-hurricane, growers need holistic solutions–and they need them fast. The good news is that breakthrough …
CRDF Funds CRAFT and Pest Projects
The Citrus Research and Development Foundation (CRDF) was able to hold its September board of directors meeting just prior to Hurricane Ian. During the meeting, CRDF awarded funding for Cycle Four of the Citrus Research and Field Trial (CRAFT) program. This will allow for another round of investments in grower-led research projects. “Kristen Carlson, Tamara Wood, the Technical Working Group …