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Below you'll see everything we could locate for your search of “rootstock”
Australia’s New South Wales (NSW) Government has partnered with the Australian Centre for International Agricultural Research and Hort Innovation to prepare the citrus industry against huanglongbing (HLB). Although widespread in Asia and found in North and South America, HLB is not known to be present in Australia. The psyllid that spreads HLB is also absent from Australia. A collaborative research …
The Florida Citrus Show is scheduled for Thursday, March 13, 2025. The event will be held at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Indian River Research and Education Center and the U.S. Department of Agriculture (USDA) Agricultural Research Service U.S. Horticultural Research Laboratory in Fort Pierce. The Florida Citrus Show combines educational seminars for both …
The Florida Citrus State of the Industry Survey seeks input from growers on key issues affecting their groves. While not a scientific survey, it has reflected general trends over the years. This year’s survey asked growers to weigh in on major events like the impact of Hurricane Milton and the performance of trunk-injection therapies. HURRICANE MILTON Hurricane Milton made landfall …
By Ute Albrecht, Gabriel Pugina and Caroline Tardivo Two years have passed since trunk injection of oxytetracycline (OTC) was approved for HLB management in Florida. Many growers have adopted this technology. While most reported positive responses, others did not. The plant physiology team at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Southwest Florida Research and Education …
There’s been much talk about the “tree of the future” in the Florida citrus industry. That’s a tree with the trifecta of HLB-resistance, great quality and strong yield. So far, that perfect combination has not been found. But the search is on. This was a topic of discussion during the December episode of the All In For Citrus podcast. Michael …
Researchers with Brazil’s Fundecitrus discussed HLB-related topics at the recent 15th International Citrus Conference in South Korea. Fundecitrus’ Franklin Behlau participated in the section of papers related to HLB, also known as citrus greening disease. Most of the papers provided updates on the disease situation in different locations, including Florida, China, India, Nepal, Indonesia, Iran and Brazil. Behlau discussed the …
University of Georgia (UGA) County Extension Coordinator Jake Price recently reported on the Nov. 19 harvest of fruit from six Owari satsuma trees on X-639 rootstock. The trees were part of a pruning field trial. Price said three pruned trees yielded 380, 527 and 457 pounds of fruit, respectively; three unpruned control trees yielded 569, 596 and 418 pounds, respectively. …
As Citrus Industry changes to a new format in 2025 (see more here), now is a good time to look back at some of the stories the publication has covered over the years. The world’s largest citrus library at the University of Florida Institute of Food and Agricultural Sciences Citrus Research and Education Center in Lake Alfred holds a mostly …
The Millennium Block grove is a large-scale trial evaluating HLB tolerance of various rootstock/scion combinations at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Indian River Research and Education Center (IRREC) in Fort Pierce, Florida. The trial is primarily focused on grapefruit scion/rootstock combinations. Recently, a Millennium Block field day allowed growers to view various selections that …
The University of Florida Institute of Food and Agricultural Sciences Indian River Research and Education Center (UF/IFAS IRREC) will hold an open house Saturday, Dec. 7 from 9 a.m. to 2 p.m. Numerous activities are planned for the facility at 2199 S. Rock Road in Fort Pierce. UF/IFAS IRREC and its next-door neighbor, the U.S. Department of Agriculture-Agricultural Research Service …
Two varieties that tolerate HLB and produce ample fruit yield and juice were the highlights of the recent Millennium Block Field Day in Fort Pierce, Florida. The 20-acre Millennium Block at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Indian River Research and Education Center (IRREC) examines fresh fruit varieties and rootstocks. “The two varieties that give …
Update as of 12-2-24: For the period beginning 12:00 a.m. on Dec. 2, 2024, and ending at 11:59 p.m. on May 23, 2025, maturity standards in regard to ratio are suspended for all grapefruit including field run and eliminations. This emergency rule supersedes Emergency Rule 20ER24-4. At the request of Florida processor and grower associations, the Florida Citrus Commission (FCC) …
A Nov. 22 Lake County farm tour, hosted by University of Florida Institute of Food and Agricultural Sciences Extension, included a visit to the 13-acre citrus under protective screen (CUPS) site owned by IMG Citrus. Located in Groveland, the facility consists of Ruby Red grapefruit on Swingle rootstock planted in May 2022. Clint Updike, IMG citrus production manager, told farm …
In November, academia from around the world gathered in Jeju, Korea, for the 2024 International Citrus Congress. A contingent of researchers from the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) attended the event. Michael Rogers, director of the UF/IFAS Citrus Research and Education Center, was among the attendees. He discusses the trip in the November episode of …
The 2024 Florida Citrus State of the Industry Survey will provide a current view of the status of the state’s citrus industry. Among the topics covered in this year’s survey are hurricane impacts and the use of trunk-injection therapies to improve the health of HLB-infected trees. If you are a grower or a consultant/caretaker (who can answer generally on behalf …
By Peter Chaires Many have been following the development of the Georgia citrus industry with great interest and curiosity. Though satsuma remains the dominant fresh citrus crop, other varieties are in varying stages of trial and adoption. The University of Georgia (UGA) has been supporting citrus growers in this process for more than a decade. Wayne Hanna, though his appointment …
By Ozgur Batuman, Sanju Kunwar and Ana Redondo In a promising effort to protect citrus from huanglongbing (HLB), University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers are exploring the potential of Australian lime as an interstock graft for Valencia scions with Swingle rootstock. The interstock technique uses various limes, known for their natural HLB-tolerant peptides, between the …
Not all citrus disease concerns center around huanglongbing (HLB). While HLB disease garners much of the headlines because of its devastation to Florida’s citrus crop, growers in the cold-hardy citrus region should be mindful of other diseases that can devastate a crop if left untreated. Jonathan Oliver, University of Georgia (UGA) assistant professor and small fruits pathologist, highlighted some of …
Jake Price with University of Georgia (UGA) Cooperative Extension recently described Hurricane Helene damage to the UGA citrus research plot. His observations, slightly edited, are as follows: When I had a chance to look at our citrus research plot, I expected the worst. But to my surprise, all of the trees were still standing. There was limb breakage due to …
By Ute Albrecht, Caroline Tardivo, Larissa Nunes, Gabriel Pugina, Gerardo Moreno and Jasmine de Freitas As growers are well into the second year of oxytetracycline (OTC) injections since approval for commercial use, more and more data are accumulating. The good news is that in all University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) trials, trees have been responding …
