By Jawwad Qureshi A wide range of pests colonize citrus crops. Most of these species target tree canopies, and a few feed on the roots. Damage is either direct through feeding on the plant tissues or it can be twofold if the pest is also responsible for transmitting the pathogens of a disease or making conditions favorable for the disease …
Latest CRDF Funding Includes Oxytetracycline Hydrochloride Projects
The Citrus Research and Development Foundation (CRDF) board of directors convened its March meeting with a busy agenda, addressing fast-moving current events. Discussion focused on newly approved oxytetracycline hydrochloride (OTC-HCl) trunk-injection products currently being applied in groves. The board funded a project to measure the impact of OTC-HCI applications on the Asian citrus psyllid (ACP). Specifically, the study will determine …
Ambrosia Beetles a Concern Post-Freeze
Researcher Apurba Barman recently reported that ambrosia beetles could be a potential concern following the December 2022 freeze event in the cold-hardy citrus region. Barman is an assistant professor of entomology with the University of Georgia College of Agricultural & Environmental Sciences. Ambrosia beetles are small insects that bore holes into stressed trees. While they have been seen attacking young …
New Offerings at Florida Grower Citrus Show
The 2023 Florida Grower Citrus Show, presented by AgNet Media, will be held April 13 in Fort Pierce. The show has a new venue this year — the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Indian River Research and Education Center (IRREC) and the adjacent U.S. Department of Agriculture (USDA), Agricultural Research Service, U.S. Horticultural Research Laboratory. …
Should Florida Growers Be Worried About Lime Swallowtail?
By Lauren Diepenbrock Recently, several articles have highlighted a potential new threat to the citrus industry in Florida, the lime swallowtail. While it is true that this pest has been found in residential citrus plantings in Key West, it is unlikely that lime swallowtail will have much of an impact, if any, on Florida’s commercial citrus industry. Lime swallowtail is …
Sneak Peek: April 2023 Citrus Industry
It’s almost April, and that means it’s almost time for the Florida Grower Citrus Show! The soon-to-be-released April issue of Citrus Industry magazine features an event guide to the new and improved Florida Grower Citrus Show. Included is a complete seminar schedule and list of participating exhibitors and sponsors for the April 13 event. Now under AgNet Media management, the …
Senator Talks to Growers and Acts on H-2A
U.S. Sen. Jon Ossoff (D-GA) recently spoke to South Georgia citrus growers in Ochlocknee about their needs and introduced legislation to reduce a wage-rate increase in the H-2A guestworker program. The industry’s needs include shoring-up supply chains, expanding facilities to keep up with growing demand, and strengthening research on diseases and pests that pose a unique threat to citrus. “I’m …
Highlights From California’s Citrus Showcase
Many growers and industry partners attended the 2023 Citrus Showcase in early March, California Citrus Mutual (CCM) reported. The trade show was sold out with more than 100 industry partners exhibiting the latest in citrus industry technology, research and products. The event started with a panel discussion on the state of the citrus industry. Panel members included Al Bates, president …
New Plantings a Focus of Phytophthora Management
Plant pathologist Megan Dewdney put emphasis on new plantings during a mid-March discussion of phytophthora management for citrus trees infected with HLB. Dewdney is a University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) associate professor at the Citrus Research and Education Center, where she spoke. Dewdney’s presentation was part of an OJ break hosted by UF/IFAS Extension multi-county …
Citrus in the Home Landscape Initiative Launched
After HLB disease was first found in Florida in 2005, many people were discouraged from growing citrus in their home landscapes. There were no citrus recommendations tailored for home gardeners in the HLB era. Now, the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) has responded to home gardeners who want to plant citrus trees again. Researchers are …
Uruguay Has First HLB Detections
The first cases of plants with HLB disease have been confirmed in Uruguay, according to a health emergency note released by the country’s Ministry of Livestock, Agriculture and Fisheries. Plants with symptoms were found in a residence in the city of Bella Unión. After laboratory analysis, the presence of the disease was confirmed. Inspections were carried out in the homes …
Citrus Industry Impacts Florida’s Economy
By Julio Cruz, João-Pedro Ferreira and Christa Court Many Florida citrus growers are under stress due to disease and extreme weather events. Citrus growers often request financial or other types of support from local, state and federal governments due to such situations. Understanding and communicating how the citrus industry supports economic activity throughout the state, even outside of the industry …
Health and Safety Event for Florida Farmworkers
In their fourth such clinic, faculty from the University of Florida will test farmworkers for chronic diseases from 8 a.m. to 2 p.m. on March 23 in Arcadia. The University of Florida’s Institute of Food and Agricultural Sciences (UF/IFAS) and College of Medicine will conduct the clinic. The screenings will be at the Turner Agri-Civic Center, 2250 NE Roan Street. …
Campaign Promotes Best Neonicotinoid Practices
Growing Matters has kicked off its annual BeSure! campaign to promote best stewardship practices when using neonicotinoid products. Using a wide range of media channels, the campaign reminds growers, crop protection applicators and others to follow label directions to minimize any potential impact on pollinators and other wildlife. Since its inception in 2019, the BeSure! campaign is estimated to have …
Florida Forecast Sees Small Gains
The Florida 2022–23 all-orange forecast inched up 1% in March to 16.1 million boxes while the grapefruit forecast rose 7% to 1.6 million boxes. The U.S. Department of Agriculture National Agricultural Statistics Service (USDA NASS) forecast for Florida tangerines and tangelos was unchanged at 500,000 boxes. The entire rise of 100,000 boxes in the orange forecast was in the …
Black Spot Management by Variety and Age
In Brazil’s São Paulo citrus belt, infections of fruit by black spot usually occur from petal fall, in September/October, until the end of the rainy season, usually in April. Black spot can reduce production by up to 85%. Some studies have shown that the amount of fungicide applications to control black spot can be established according to the orange variety. …
OJ Standard of Identity Discussed
No action was taken after numerous speakers discussed potential changes to the standard of identity for orange juice (OJ) at a March 1 public workshop. Taking place at Florida Citrus Mutual (FCM) headquarters in Bartow, the workshop was titled “Continuing the OJ Standards Conversation.” FCM Executive Vice President and Chief Executive Officer Matt Joyner offered background on the standard of …
HLB Concerns Government Officials in Brazil
Brazil’s Fundecitrus on Feb. 15 participated in a meeting with state and local government representatives to discuss the country’s citrus greening (HLB) situation. Representatives of the Department of Agriculture and Supply (SAA) of the state of São Paulo and mayors of some municipalities in the citrus belt also attended. Mayors and representatives of city halls expressed concern about the economic …
Drones for Pest Control Effective in Some Situations
Technological advancements in recent years allow drones to perform precise agricultural work efficiently. One of the tasks in greatest demand is the application of phytosanitary products in a quick and timely manner. Drones can be used for extensive applications in a short time and are ideal for ultra-low-volume interventions. With drones, very specific sectors, such as sources of disease or …
Revised Approach to Reduce ACP Management Costs
By Lukasz Stelinski Vector control is considered a basic component of HLB management even under high disease incidence scenarios. A recent study compared the effects of three different economic thresholds (ET-0.2, ET-0.5 and ET-1.0) and one calendar-based application schedule on the incidence of Asian citrus psyllid (ACP) and beneficial species in plots of commercially grown citrus. The study also examined …