By Kelly T. Morgan, Davie Kadyampakeni and Tripti Vashisth This article reviews current University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus fertilizer recommendations and provides updated information about recently approved recommendations for secondary macronutrients and micronutrients. Citrus growers have been very concerned about fertilizer applications and nutrient management since citrus greening (huanglongbing or HLB) was found in …
Unraveling the Relationship Between the HLB Bacterium and Trees
At the heart of the HLB threatening the Florida citrus industry is a complex exchange between the citrus tree and an insidious bacterium. University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers continue to study the bacterium that causes HLB. They are learning more about how it works within the citrus tree in an effort to find viable …
Flower Bud Advisories Have Begun
Regular flower bud advisories from the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) were restarted Nov. 21 and will be provided every other week through early spring. Associate Professor Tripti Vashisth provides the advisories. The advisories provide critical information about the intensity and time of citrus blooms. Growers use this information to determine when to spray for …
Growers and Researcher Discuss Millennium Block Trials
Two citrus growers recently explained the benefits to be gained from research at the Indian River Research and Education Center’s (IRREC) Millennium Block in Fort Pierce, and a scientist discussed a grapefruit study there. The IRREC is a University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) facility. The 20-acre block was planted in 2019 to help growers find …
All In For Citrus Podcast, November 2022
The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) recently received a large grant from the U.S. Department of Agriculture National Institute of Food and Agriculture (NIFA). Michael Rogers provides details of the $16.5 million grant during the November All In For Citrus podcast. Rogers is the director of the UF/IFAS Citrus Research and Education Center in Lake …
Citrus Breeder: Growers Need to Think More Out of the Box
If cold-hardy citrus growers diversified their crops and not put all of their eggs in the satsuma basket, it would provide them a better chance at long-term sustainability. It would allow producers an opportunity to combat the negative national stigma concerning citrus juices, says Jude Grosser, a professor of plant cell genetics at the University of Florida Institute of Food …
Sneak Peek: December 2022 Citrus Industry
Need the latest nutrient recommendations for growing citrus in Florida? Find updates for nutrient best management practices in the December issue of Citrus Industry magazine. The article, by Kelly Morgan, Davie Kadyampakeni and Tripti Vashisth, details recently approved recommendations for secondary macronutrients and micronutrients. The new advice is based on University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) …
Display Day Draws Good Crowd
Fruit display days are an integral part of the citrus breeding process. The evaluations provided by participants give important feedback on the taste, appearance, texture and overall desirability of the fruit sampled whether it be for juice or the fresh market. The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) hosted a display on Nov. 14 at the …
Gibberellic Acid May Help Citrus Trees After a Hurricane
In the latest episode of the All In For Citrus podcast, ways to mitigate damage from Hurricane Ian are discussed by researchers from the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS). While extensively damaged trees are likely lost, those that experienced less damage can be helped in the recovery process. Tripti Vashisth, UF/IFAS associate professor of horticultural …
Groundcovers Promote Water-Use Efficiency and Pest Management
By Sandra M. Guzmán, Larry Duncan, John Santiago and Lorenzo Rossi The implementation of pest management technologies might have an impact on other management areas in the grove. Landscape fabric groundcovers, for example, have been used for pest management in citrus production. Groundcovers also recently have been used to promote the homogeneous availability of water for uptake by roots, better …
Ian/Nicole Overlap Complicates Loss Assessments
Nicole, which came ashore as a hurricane on Nov. 10 before weakening to a tropical storm, impacted much of the same Florida land area that Hurricane Ian damaged in late September. Christa Court, director of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Economic Impact Analysis Program, says due to that overlap, the data her team references …
Oswalt Earns Extension Mentor of the Year Award
By J. Scott Angle, jangle@ufl.edu, @IFAS_VP Of all the things Chris Oswalt has delivered for the citrus industry — weather data, freeze-protection advice, Extension programming — his most valuable contribution might be his mentorship of a new generation of citrus agents. GUIDING CAREERSYou likely wouldn’t have Danielle Sprague assisting a cold-hardy citrus association in North Florida were it not for …
Citrus Breeding Discussed During Field Day
The focus of citrus breeding at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) differs for fruit produced for the juice market vs. fruit for the fresh market. Citrus breeder Jude Grosser, a UF/IFAS professor of plant cell genetics, spoke during the Cold-Hardy Citrus Field Day at the North Florida Research and Education Center in Quincy on …
$21.7 Million for HLB Research
Seven entities recently received $21.7 million to conduct research into combating and preventing HLB at the farm level. The funding is from the U.S. Department of Agriculture’s National Institute of Food and Agriculture (USDA NIFA) Emergency Citrus Disease Research and Extension program. The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) received the majority of the funding, more …
Two Types of EQIP Assistance Available
Florida agricultural landowners and growers with damages caused by Hurricane Ian can apply for emergency and general assistance through the U.S. Department of Agriculture’s Natural Resources Conservation Service’s (NRCS) Environmental Quality Incentive Program (EQIP). NRCS can provide payments, through conservation program contracts, for EQIP conservation practices that address disaster-related resource concerns on agricultural land. NRCS is issuing EQIP early start …
Citrus Canker and Black Spot Management After Hurricane Ian
By Megan Dewdney The story of citrus canker in Florida is unfortunately linked to hurricanes. Canker spreads far and wide with the aid of the storms. Not only can the heavy rains and high winds move the bacterium among locations, but the winds cause wounds in the canopy. Ragged leaves, scoring of leaf surfaces, thorn scratches on branches and more …
Cold-Hardy Citrus Research Initiatives
The Fruit Crop Physiology Lab at the North Florida Research and Education Center (NFREC) in Quincy is focused on developing a sustainable and profitable cold-hardy citrus industry in the southern United States. To do that, it is conducting research-driven Extension projects. The NFREC is part of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS). The lab collaborates …
Making Sense of Pesticide Formulations
By Brandon White Editor’s note: This article grants one continuing education unit (CEU) in the Core category toward the renewal of a Florida Department of Agriculture and Consumer Services restricted-use pesticide license when the accompanying test is submitted and approved. Have you ever wondered what the numbers or letters following the trade name of your pesticide stand for or why …
Post-Hurricane Disease Management Advice
Megan Dewdney, associate professor of plant pathology with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), joined the October All In For Citrus podcast to discuss Hurricane Ian and tips on disease management after the storm. Hurricanes weaken citrus trees and spread disease. “If a tree has a full canopy, the wind will put a lot of …
Fungi Controlling Whiteflies in North Florida
Entomopathogenic fungi have recently been seen attacking citrus whitefly and cloudywinged whitefly nymphs in North Florida citrus groves. Muhammad Shahid, Mujahid Hussain and Danielle Sprague, all with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), wrote about the “friendly” fungi in the October UF/IFAS Cold Hardy Citrus Connection newsletter. Shahid is a horticulturalist and Hussain is a …