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A modified way of producing citrus in Florida to protect against the Asian citrus psyllid may provide shelter for another pest — chilli thrips. Citrus under protective screen (CUPS) production systems protect against the psyllid and the huanglongbing (HLB) disease the pest transmits. However, according to University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) entomologist Lauren Diepenbrock, the …
By Fernando Alferez, Ozgur Batuman, Susmita Gaire, Ute Albrecht and Jawwad Qureshi In previous and ongoing research performed at the Southwest Florida Research and Education Center (SWFREC), we have demonstrated that individual protective covers (IPCs) are effective in keeping psyllids off newly planted citrus trees. Trees have been HLB-free for more than two years after planting, and the IPCs provide …
In the face of production declines, pest issues and other challenges, multi-county Florida citrus grower David Wheeler of Wheeler Farms found something positive to report. “One bright spot is the health of our young trees,” he said. “They look outstanding and have been on a good program with a rotation of insecticides.” Wheeler Farms’ more mature citrus trees aren’t doing …
Florida citrus production can be significantly impacted during the summertime heat. High temperatures with little to no rainfall can affect trees’ vegetative growth, fruit set and fruit quality, says Amir Rezazadeh, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) multi-county fruit and field crops agent. Heat is a factor that can cause citrus trees to become significantly dehydrated. …
Colorado State University (CSU) hurricane researchers on Aug. 5 slightly reduced the number of storms and hurricanes they expect in the 2021 Atlantic hurricane season. The researchers reduced the number of expected storms to 18, down from 20 in the July forecast. The number of expected storms is now the same as CSU projected in June. As for the expected …
The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) is asking Florida fresh citrus growers and packers to complete a brief, anonymous survey about a disorder some call “greasy green.” The symptoms of the disorder are consistent with greasy spot, but a direct causal relationship has not been proven. The disorder may also be related to other possible …
Scientists who showed that high-density plantings yield considerably more Valencia oranges, among other findings, have been honored by the American Society for Horticultural Science. Researchers Rhuanito “Johnny” Ferrarezi, Mark Ritenour and Alan Wright won the society’s Outstanding Fruit Publication Award. The University of Florida Institute of Food and Agricultural Sciences researchers work at the Indian River Research and Education Center …
Tax increases proposed by President Joe Biden “would devastate Florida’s citrus industry,” Florida Citrus Mutual CEO Mike Sparks wrote in a recent editorial. The editorial was in The Ledger, a newspaper in Lakeland, Florida. Biden’s proposal would impose a 43% tax on growers when they sell one area of land for another, Sparks stated. Most growers’ assets are in their …
Florida orange and red grapefruit production, already at historically low levels, will likely decline for years, according to a leading citrus economist. Tom Spreen, University of Florida Institute of Food and Agricultural Sciences professor emeritus, calculated Florida crop output through the 2031-32 season based on various yield and tree replacement assumptions. Oranges and red grapefruit are Florida’s top-producing varieties. …
Codex DNA, Inc. has announced a collaboration with researchers from several organizations to identify scalable therapeutic measures against HLB. The multidisciplinary team has been awarded a grant worth nearly $15 million from the National Institute of Food and Agriculture (NIFA) to develop cost-effective and sustainable solutions to the disease. Other collaborators include the U.S. Department of Agriculture’s (USDA) Agricultural Research …
Manjul Dutt recently discussed his research on the Parson Brown (PB) sweet orange, which shows some characteristics that could make it more attractive than Hamlin, Florida’s leading early-season orange. Dutt is a University of Florida Institute of Food and Agricultural Sciences horticultural sciences researcher at the Citrus Research and Education Center in Lake Alfred. Dutt’s research, funded by the Citrus …
The California Department of Food and Agriculture (CDFA) has declared a quarantine in north San Diego County following the detection of the citrus disease huanglongbing (HLB), known as citrus greening. The disease was found in two citrus trees on one residential property in the city of Oceanside. This is the first time the plant disease, which does not harm people …
The company Peels has launched a CBD oil made from orange peels. Peels was founded by National Football League veteran Chris Hetherington, who serves as the company’s chief executive officer. Peels’ process of deriving CBD from orange peels is called cyclic terpene assembly, a proprietary technique for combining organic molecules. This process combines terpenes from orange peels with olivetol, a naturally …
Growers have always left the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) booth at Citrus Expo with much information they can use in the grove. This year, the UF/IFAS citrus staff hopes to make a visit to the booth even more fruitful. “In the past, we have had two large booths and it has had many posters,” …
Alico, Inc. received significantly higher prices for its citrus fruit in the 2020-21 harvest season, but had reduced box production and reduced average pound solids per box of fruit. The company’s average blended price for fruit was $2.45 per pound solids (PPS), up 31.7% from the $1.86 PPS it received the prior year. Alico cited “favorable industry supply dynamics” as …
The European Union (EU) expects production increases for lemon and grapefruit in 2020-21 compared to the previous season, the U.S. Department of Agriculture’s Foreign Agricultural Service reported. LEMONSLemon production is forecast to increase by almost 11.7% to 1.64 million metric tons. Spain will have the lion’s share of production at 1.06 million metric tons, followed by Italy at 491,000 metric …
A citrus under protective screen (CUPS) project in Dundee, Florida, has received the 2021 Vanguard Award from the Irrigation Association (IA). The award honors an innovative project in the irrigation industry executed by a team of individuals, companies, organizations or other group entities. Projects chosen for the award exemplify the IA’s mission of promoting efficient irrigation. The partners in …
Vero Beach grower George Hamner reported having better production and size on his fresh market grapefruit and lemon crops in the 2020-21 season than in the prior year. He said grapefruit prices remained steady, similar to the prior year. “Lemons, however, were not as good as previous years because of the loss of food-service business … due to COVID-19,” he …
By Lauren Diepenbrock In the past few years, several citrus growers have been impacted by yet another non-native pest in their groves. This time it is not an insect or mite; it’s a snail. Bulimulus sporadicus is a relatively new pest to Florida, first found in Duval County in 2009. It has quickly moved throughout much of the state, causing …
PepsiCo, Inc. announced Aug. 3 that it has entered into an agreement with PAI Partners (PAI) to sell Tropicana, Naked and other select juice brands across North America. It also entered into an irrevocable option to sell certain juice businesses in Europe. PepsiCo said the actions will result in combined pretax cash proceeds of approximately $3.3 billion while retaining a …
