 |  |  |  |  |  |  |  |  |
Below you'll see everything we could locate for your search of “disease”
Citrus canker could spread in Florida groves as a result of Hurricane Milton, researcher Megan Dewdney warned. A University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) associate professor of plant pathology, Dewdney offered suggestions for dealing with canker at a recent UF/IFAS hurricane recovery webinar. WIND WOUNDS High winds and rain, which were abundant during the hurricane, move …
With citrus crops gaining popularity in South Carolina, Clemson University announced that the 2024 Southeast Citrus Expo will be held Nov. 22–23 in Charleston. The event will feature drop-in tours, a banquet and a full day of educational sessions. Zack Snipes, horticulture agent with Clemson University Cooperative Extension Service, is the event coordinator. “More and more people are asking for …
The first chore for growers in the cold-hardy citrus region when managing citrus greening is scouting for the disease and its vector, the Asian citrus psyllid. The next step is prompt removal of any trees infected with the disease, says Jonathan Oliver, University of Georgia (UGA) assistant professor and small fruits pathologist. “At this point, we think greening is still …
The U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (USDA/APHIS) and the Texas Department of Agriculture (TDA) have expanded the Harlingen and Sebastian Mexican fruit fly (Mexfly) quarantine areas in Texas and consolidated them into a single quarantine area, now termed the Harlingen-Sebastian quarantine. The quarantine area spans portions of Cameron, Hidalgo and Willacy counties. DETECTIONS AND EXPANSIONS …
Sponsored Content In this special series, Tom Johnson, owner of TJ BioTech, answers questions related to trunk-injection applications to treat HLB. Q: What is the biggest problem for Florida’s citrus growers to overcome? Tom Johnson: In the general news media, you can read all manner of uninformed reasons as to why citrus production has declined so dramatically in the past …
Florida-based scientists published an article in Microorganisms indicating citrus-derived endophytes have potential for managing HLB. Endophytes are endosymbionts, often bacteria or fungi, which live within a plant for at least part of its life cycle without causing apparent disease. The authors of the article are Jessica Dominguez, Krishnaswamy Jayachandran and Kateel G. Shetty of Florida International University, and U.S. Department …
Fundecitrus researchers Marcelo Miranda and Wellington Ivo Eduardo participated in the recent XXIX Brazilian Congress of Entomology in Uberlândia in the state of Minas Gerais. In a round table discussion on fruit plant pests, Miranda addressed the challenges of implementing integrated pest management in citrus for insect vectors of pathogens. This includes the leafhopper that transmits citrus variegated chlorosis and …
Sponsored Content In this special series, Tom Johnson, owner of TJ BioTech, tackles questions about optimizing trunk-injection applications to treat HLB. Q: After a series of weather challenges, including Hurricanes Helene and Milton, what are you hearing from Florida citrus growers about the continued health and recovery of groves going forward? Tom Johnson: I am certainly not suggesting that I …
Orange juice processing for the 2024–25 season was moving at a good pace in Brazil’s São Paulo state at the end of September, the Center for Advanced Studies on Applied Economics (CEPEA) at the University of São Paulo reported. The Pera orange has been the most processed variety so far, but the harvesting and processing pace of late fruit such …
“Superior New Rootstocks Can Make Citrus Profitable Again” is the headline of a recent U.S. Department of Agriculture Agricultural Research Service (USDA ARS) article. Kim Bowman, research geneticist at the USDA Horticultural Research Laboratory in Ft. Pierce, Florida, write the article. A slightly edited version follows: The rootstock and root system are what make trees strong enough to survive and …
By Tripti Vashisth and Taylor Livingston Hurricane Milton passed over many citrus-producing counties in Florida, resulting in canopy and fruit loss (especially in early varieties). HLB-affected trees undergo a lot of stress, and now the hurricane has added more abiotic stress to trees. High-speed winds caused significant fruit and leaf drop. The fruit and leaves that escaped the drop during the …
Regular scouting for Asian citrus psyllids and citrus greening disease is critical for Georgia’s citrus industry to remain healthy. That advice applies to both commercial growers and homeowners, Jonathan Oliver, University of Georgia (UGA) assistant professor and small fruits pathologist, said during the recent Citrus Grower’s Summer Update meeting in Valdosta. Oliver encouraged all growers to scout for the disease …
By Robin Koestoyo On Nov. 7, citrus growers will join University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Assistant Professor Flavia Zambon to view new citrus varieties that show tolerance to citrus greening. Zambon will guide visitors at the 2024 Millennium Block Field Day, a walk-through interpreted tour. The Millennium Block is a seminal grapefruit trial on 20 acres …
Associate Professor Fernando Alferez and his team at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) learned several years ago that individual protective covers (IPCs) protect newly planted trees from HLB. They do that by excluding the Asian citrus psyllids (ACP) that spread the devastating citrus disease. But multi-county citrus Extension agent Mongi Zekri noted that IPCs …
Peter Chaires, New Varieties Development and Management Corp. executive director, spoke about citrus breeding at the Cold Hardy Citrus Workshop on Sept. 24 at the University of Florida Institute of Food and Agricultural Sciences Extension office in Perry. Chaires said HLB tolerance “is an essential element of everything that’s being done in the breeding program with a stronger emphasis than …
The area quarantined for HLB in San Diego County, California, has been expanded, the U.S. Department of Agriculture Animal and Plant Health Inspection Service (USDA APHIS) announced on Sept. 23. USDA APHIS took the action in cooperation with the California Department of Food and Agriculture (CDFA). HLB, a plant disease caused by Candidatus Liberibacter asiaticus, is also known as citrus …
Citrus growers impacted by Hurricane Helene now must decide the best management strategy to protect trees from potential disease issues prior to harvest. Kim Jones, a citrus grower and packer with operations in Monticello, Florida, and Tifton, Georgia, weighed in on what to consider to protect trees. “Fungus is the biggest risk at this point,” said Jones. “The sunshine is …
The U.S. Department of Agriculture Animal and Plant Health Inspection Service (USDA/APHIS) and the Texas Department of Agriculture have taken several Mexican fruit fly (Mexfly) quarantine actions in Texas since mid-August. DONNA On Aug. 15, the agencies established a Mexfly quarantine in Donna, Hidalgo County. This is in response to the confirmed detection on Aug. 10 of Mexfly larvae in …
Federal and state agriculture officials on Sept. 6 established a Mediterranean fruit fly (Ceratitis capitata; Medfly) quarantine in Alameda County, California. On Sept. 11, this quarantine was expanded to include a small portion of Santa Clara County. The actions were taken by the U.S. Department of Agriculture Animal and Plant Health Inspection Service (USDA APHIS) and the California Department of …
Satsuma mandarins helped establish the citrus crop in Georgia. Alternate varieties will help the state’s industry continue to grow. Mary Sutton’s appointment as the new University of Georgia (UGA) citrus Extension specialist should help growers implement varieties that have been tested and are suitable for Georgia growers. Part of her role will be to research alternatives to satsumas to see …
