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Editor’s Note: Tripti Vashisth with share new information on the use of gibberellic acid treatments to improve health and yield of HLB-diseased trees in a virtual seminar on Sept. 21. Register here. Researcher Tripti Vashisth told the recent Citrus Expo audience how fruit drop might be reduced through the use of nutrition and irrigation strategies, gibberellic acid and increased fruit …
Australia’s New South Wales (NSW) government is growing citrus on trellis systems in an effort to reduce vigor, increase flowering and fruit production, and potentially open the way to robotic harvesting. The trial being conducted by NSW’s Department of Primary Industries (DPI) at the Dareton research center is part of the National Tree Crop Intensification in Horticulture project. The …
Syngenta Crop Protection is seeking a paid citrus intern for the summer of 2022. The company will assign the intern to a mentor and a territory, and provide a vehicle for work use. The intern will gain experience with territory management and pest and disease identification. Opportunities will be provided to gain sales and marketing experience and exposure to the …
According to researchers in Florida and California, kaolin clay, especially red kaolin, aids in the management of Asian citrus pysllids (ACP) and the HLB they spread, among other attributes. Christopher Vincent of the University of Florida Institute of Food and Agricultural Sciences and Monique Rivera of the University of California at Riverside recently presented a webinar about kaolin. The University …
Scientists from Nanyang Technological University (NTU) in Singapore have identified a key mechanism by which the dangerous plant bacteria Xanthomonas can infect crops. The Xanthomonas bacteria, known as the “crop killer,” is a globally prevalent bacterium capable of infecting 400 different plant species. Citrus canker is caused by the bacterial pathogen Xanthomonas citri subsp. The NTU researchers identified the exact …
In late August, the U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (APHIS) removed a portion of Harris County within the Braeswood area of Houston, Texas, from citrus canker regulations. APHIS reported that the successful partnership between itself and the Texas Department of Agriculture (TDA) has resulted in a citrus canker-free status in the area since 2016. On …
Fabric mulch landscape covers, typically used to block weeds in nurseries, can aid in diaprepes root weevil control, Larry Duncan reported at the recent Citrus Expo. “Some of these products, not all of them, are extremely effective at blocking the diaprepes weevil larvae from getting into the soil” after falling from a citrus tree, Duncan said. Duncan is a University …
Multi-county citrus Extension agent Ajia Paolillo recently suggested ways to prepare for and recover from a hurricane. Hurricane season began June 1 and ends Nov. 30. Paolillo said hurricane activity is usually most prevalent from August to October. She cited an August update from the National Oceanographic and Atmospheric Administration predicting 15 to 21 tropical storms this summer, with 7 …
Growers who participate in the upcoming Cycle III of the Citrus Research and Field Trial (CRAFT) program will be offered an additional $1,000-per-acre incentive to plant early-season oranges. Tamara Wood, CRAFT executive director and program manager, announced the incentive during an Aug. 31 CRAFT Cycle III workshop. CRAFT pays Florida growers to plant trees on which they will conduct commercial …
Scientists in Brazil and Florida found that the direct examination of plant canopy temperature can assist in optimizing citrus irrigation management in greenhouses. The researchers were Gustavo Haddad Souza Vieira with the Federal Institute of Espírito Santo in Brazil and Rhuanito “Johnny” Ferrarezi with the University of Florida Institute of Food and Agricultural Sciences. Their study aimed to develop a …
The U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (APHIS) on Aug. 20 revised the entry requirements for citrus fruit from the Districts of Riverina and Sunraysia in Australia. According to APHIS, the revision is necessary because both Riverina and Sunraysia no longer meet the requirements to be considered fruit fly-free areas for Queensland fruit fly (Bactrocera tryoni). …
Two reports that a Florida Department of Citrus (FDOC) marketing executive presented recently show that social media and e-commerce have become major, effective tools for marketing citrus and other products. FDOC Director of Global Marketing Samantha Lane told the Florida Citrus Commission on Aug. 25 that the FDOC’s 2021-22 e-commerce campaign has so far driven more than $2.3 million in …
The U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (APHIS) is expanding the production areas in Australia from which fresh citrus fruit may be shipped to the United States. It is also revising the conditions under which citrus from Australia may be imported. Currently, imports of fresh citrus fruit are allowed into the United States from the Riverina …
Florida Citrus Mutual (FCM) is making efforts to protect growers in the event Florida oranges don’t meet the minimum Brix requirement for not-from-concentrate (NFC) orange juice (OJ). FCM recently sent a formal request to the U.S. Food and Drug Administration (FDA) seeking enforcement discretion to protect growers from the likely contingency that Florida’s 2021-22 orange crop may not meet FDA’s …
Gladstone Land Corporation announced that it acquired two lemon and orange groves, totaling 617 acres, in South Florida for approximately $5.2 million. In connection with the acquisition, it entered into a 12-year leaseback agreement with the seller. The organization did not respond to a request for information about the seller or the location of the groves. “We are excited to …
Canker protocols in the European Union (EU) and difficulties transporting fruit to Asia are among problems hampering Florida’s fresh citrus exports, Dan Richey told participants during the recent virtual Packinghouse Day. Richey, of Riverfront Packing Company, is heavily involved in international trade issues on behalf of Florida’s citrus industry. The canker protocols that the EU has imposed for accepting Florida …
If you missed Citrus Expo Aug. 18-19 and the great production information available at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) booth, you can now access it online. Posters and videos that were available at the booth are now on the UF/IFAS Citrus Research website. Click on “Presentations,” then “Citrus Expo Presentations,” then “2021 Citrus Expo.” …
The Asiatic A strain of citrus canker was recently found in the Upper Gulf Coast area of Texas, posing a significant threat to the state’s commercial citrus production. The U.S. Department of Agriculture (USDA), the Texas Department of Agriculture and the Texas A&M University-Kingsville Citrus Center are collaborating on surveys to detect the disease. They are also removing and properly …
Florida citrus growers have known for several years that individual protective covers (IPCs) do a good job of excluding HLB-spreading Asian citrus psyllids from young trees. “But those protective covers also protect from things like Diaprepes abbreviatus,” researcher Larry Duncan told the recent Citrus Expo audience. Duncan is a nematologist at the University of Florida Institute of Food and Agricultural …
Some people view drones as toys, but they can be dangerous. In fact, about 1,000 people per year are injured from using drones incorrectly. To address the potential peril, two University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers are offering ways to keep people from getting hurt while using drones. Yiannis Ampatzidis of UF/IFAS uses unmanned aerial …
