The Florida Fruit & Vegetable Association (FFVA) has presented University of Florida Institute of Food and Agricultural Sciences Professor Michelle Danyluk its 2024 Researcher of the Year Award. The award was presented at FFVA’s recent annual convention in Marco Island. The honor is given to individuals who have dedicated themselves and their work to improving Florida agriculture. Danyluk works in …
All In For Citrus Podcast, September 2024
Mark Ritenour, professor of postharvest technology with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), joined the September episode of the All In For Citrus podcast to provide a recap of Packinghouse Day. The event was held Sept. 12 at the Citrus Research and Education Center (CREC) in Lake Alfred. Based at the Indian River Research and …
Sneak Peek: October 2024 Citrus Industry
With the news that oxytetracycline (OTC) has been approved for a third consecutive year of trunk injection in Florida citrus, growers are looking to optimize their applications for the coming season. The October cover story in Citrus Industry magazine aims to help growers make the most of their OTC injections. University of Florida researchers tell the good, the bad and …
Transforming Organic Citrus Production
Organic citrus growing presents unique hurdles in Florida, Texas and other southern states. Poor soil quality, nutrient deficiencies and a limited range of pest control options plague organic production. But the University of Florida Institute of Food and Agricultural Sciences’ (UF/IFAS) Davie Kadyampakeni is poised to transform the future of organic citrus growing. He aims to do that with a …
What To Do if Brown Rot Surprises You
By Megan Dewdney It is late summer or early fall, and the usual time to consider brown rot treatment options has passed. However, you smell a sharp fermented fruit odor. When you look closer, fruit have the telltale soft brown lesions of brown rot. What options exist to minimize losses now? It is too late for the traditional control options …
Hurricane Debby Citrus Production Losses Could Reach $13 Million
There were no reports of significant or widespread losses for citrus crops due to August’s Hurricane Debby, the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) reported recently. But the UF/IFAS Economic Impact Analysis Program stated in a preliminary assessment of agricultural damages that low-level production losses across a wide swath of citrus acreage could reach $13 million. …
Nutrients for Improving Fruit Growth and Quality
By Tripti Vashisth, Jeff Brecht, Yu Wang and Faisal Shahzad In the last decade, fruit quality and size has become a major issue. Moreover, fruit peel color is another challenge to overcome for citrus growers who intend to sell for fresh fruit consumption. Many nutrients are known to improve fruit growth and quality in citrus trees. For example, potassium increases …
Frequent Irrigation Benefits HLB-Infected Sweet Orange Trees
By Tripti Vashisth and Mary Sutton Citrus trees affected by huanglongbing (HLB) show significant root dieback. This dieback results in smaller root systems than would be seen in healthy citrus trees. These small root systems are limited in their uptake capacity. In other words, if an HLB-affected tree is given the same amount of water as a healthy tree, the …
Tree Age and Yields: Implications for Trunk Injection
By Ariel Singerman This article examines the impact of HLB and other factors on yield by tree age group in Florida using U.S. Department of Agriculture statewide average data from 1994 to 2021. To focus on the impact of HLB and other relevant lasting factors, seasons in which there were hurricanes or freezes are excluded. YIELD REDUCTIONS Figures 1 and …
Factors to Consider When Planting a New Grove
Growers have numerous things to think about when planting a new grove. University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus genetic improvement specialist John Chater discussed this topic during a recent Citrus & Specialty Crop Expo presentation. Following are highlights from his talk on establishing new varieties in a new citrus grove. PESTS AND DISEASES Soilborne pests …
Symptoms and Management of Brown Rot and Greasy Spot
University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) presenters on Aug. 30 discussed symptoms and management of the fungal citrus diseases brown rot and greasy spot. Plant pathologist and associate professor Megan Dewdney, the featured speaker, focused on management. Multi-county citrus Extension agent Mongi Zekri, who hosted Dewdney’s talk, described disease symptoms. BROWN ROT Brown rot is usually …
The Best Defense for Mitigating Preharvest Fruit Drop
By Tripti Vashisth Over the past decade, HLB-associated fruit drop has become a significant problem in Florida groves. Many growers opt to harvest the fruit before the peak fruit drop begins. However, the downside to this strategy is that the fruit does not get enough time for optimal Brix accumulation. Plant growth regulators, when applied at the right time, can …
Packinghouse Day in Florida Is Sept. 12
Fresh fruit growers, packers and researchers will meet for the 2024 Packinghouse Day on Sept. 12 in Lake Alfred, Florida. The annual event will be held at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center. Registration opens at 8:30 a.m., and the event runs from 9:30 a.m. to 12 p.m. The event …
Heat and HLB Hurting Brazil’s Production
Brazil’s citrus crop is suffering this season, according to Franklin Behlau, a senior researcher for Fundecitrus. That was the focus of a recent presentation he provided at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center in Lake Alfred. “Things have changed in Brazil this season,” Behlau said. “We are a little behind …
Seeking Early-Season Sweet Oranges
HLB has reduced citrus production across the board, but early varieties like Hamlin have taken an even bigger hit. Hamlin has been plagued by the disease and fruit drop, which has left a void in the juice-processing segment in the early season. Growers who have been replanting have mostly relied on later-season varieties like Valencia because it seems to be …
The Future of Citrus
By Rob Gilbert, ragilber@ufl.edu Last month I went to Lake Alfred for a look at the future of the citrus industry. You’ll like what I saw. BREEDING EFFORTS What I saw first was a lab focused on finding an HLB-tolerant tree that has doubled in size since my last visit to the Citrus Research and Education Center. Nian Wang can …
Algal Spot an Increasing Problem in Florida Groves
Algal spot, not frequently seen in Florida citrus groves before 2015, has become more severe in recent years, University of Florida Institute of Food and Agricultural Sciences speakers reported Aug. 30. And the disease is likely to intensify as a problem with average temperatures increasing, said Megan Dewdney, associate professor of plant pathology at the Citrus Research and Education Center …
IPCs Aid Trees and Fruit After Removal
Individual protective covers (IPCs), used primarily to protect young citrus trees from HLB-spreading Asian citrus psyllids, have become ubiquitous in Florida citrus groves in recent years. New University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) research shows the trees grown under the IPCs also grow well for a few years after growers remove the bags. Growers typically remove …
All In For Citrus Podcast, August 2024
The August episode of the All In For Citrus podcast features highlights from this year’s Citrus & Specialty Crop Expo. The event included two citrus educational sessions that covered a wide range of topics, including HLB management, other pest management topics and new varieties. Michael Rogers, director of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus …
Sneak Peek: September 2024 Citrus Industry
HLB has drastically changed how citrus is grown in Florida. The September issue of Citrus Industry magazine offers insight on some of the newer production practices growers are using to manage the disease. In a feature story, Citrus Industry Editor-in-Chief Frank Giles looks at how citrus nutrient management recommendations are continuing to evolve in the HLB era. In the article, …