HLB

UF/IFAS Still Serving Citrus Growers

Ernie NeffAll In For Citrus Podcast

Like much of the rest of the world, the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) has closed its research and Extension facilities to visitors because of COVID-19. The closures are intended to protect the public and UF/IFAS employees from the coronavirus. Additionally, all UF/IFAS-sponsored events have been cancelled through the end of April. But UF/IFAS employees …

Citrus Canker Management Through the Year

Ernie NeffDiseases

Plant pathologist Megan Dewdney with the University of Florida Institute of Food and Agricultural Sciences offers suggestions for managing citrus canker at different times of the year. She is an associate professor at the Citrus Research and Education Center (CREC) in Lake Alfred. Dewdney suggests that copper sprays begin when fruit reach three-eighths of an inch in diameter in groves …

fresh

Orange Juice Sales Are Soaring

Daniel CooperIndustry News Release, Orange Juice

Ned Hancock, chairman of the Florida Citrus Commission (FCC), reports that concerns over COVID-19 are increasing the demand for healthy foods and beverages, including orange juice. The FCC is the governing body of the Florida Department of Citrus (FDOC). “A Nielsen retail sales report indicates that many Americans are turning to 100 percent orange juice (OJ) during this time,” says …

HLB and Citrus Root Health

Ernie NeffHLB Management, Root health

“We’re not going to have a silver bullet” for HLB, says Lorenzo Rossi, an assistant professor at the Indian River Research and Education Center. Instead, the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) root biologist says that researchers are trying to keep citrus producing profitably. Rossi described some of his research efforts that focus on root health …

Irrigation Management for Young Citrus Trees

Tacy CalliesIrrigation

By Davie Kadyampakeni, Arnold Schumann, Mongi Zekri and Chris Oswalt Irrigation management is important for achieving optimal citrus tree growth and promoting high water- and nutrient-use efficiencies in young trees. In the era of HLB, poor water-management practices, such as infrequent irrigation, lead to water stress in trees resulting in limited growth and impaired root development. On the other hand, …

nutrition

Citrus Research and Development Foundation Updates

Ernie NeffCRDF, Nutrition

The Citrus Research and Development Foundation (CRDF) agreed March 24 to seek very focused research projects that will answer growers’ questions about proper nutrition in the face of HLB. The questions were formulated by CRDF’s Nutrition Working Group, a panel of growers, scientists and others. FOCUS ON NUTRITION “We know it’s (nutrition) important and we have to get it right …

crop forecast

Highlands Growers Hear Marketing Talks

Ernie NeffMarket

Aaron Himrod indicated he was cautiously optimistic about Highlands County Citrus Growers Association (HCCGA) members’ ability to grow fruit in the face of HLB at the association’s annual meeting on March 12. But Himrod, the outgoing association president, said the industry’s emphasis now needs to be on marketing. That and other activities at the meeting were described by association Executive …

Hemp Advice: Start Small, Be Cautious

Ernie NeffAlternative Crops

There are numerous challenges facing potential growers of industrial hemp in Florida, said Jerry Fankhauser at the recent Florida Agricultural Policy Outlook Conference. Fankhauser is assistant director of the Florida Agricultural Experiment Station and lead oversight manager of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Industrial Hemp Pilot Project. Researchers involved in the project are looking …

fresh

Keeping Fresh Fruit Marketable

Ernie NeffFresh

Mark Ritenour with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) discusses research efforts to keep Florida’s fresh fruit marketable. Ritenour is a postharvest horticulturist at the Indian River Research and Education Center. Ritenour begins with maximum residue limit requirements for chemicals in fresh citrus for export. A UF/IFAS website provides pesticide residue limits by various major …

crop forecast

March Citrus Crop Forecast Sees Slight Decreases

Daniel CooperCrop Forecast

Mark Hudson of the U.S. Department of Agriculture’s National Agricultural Statistics Service (USDA/NASS) reported the latest update to the 2019-2020 citrus crop forecast on March 10. Non-Valencia Oranges The Florida non-Valencia forecast is lowered 1 million boxes to 30 million boxes. The row count survey conducted Feb. 25-26 showed 98 percent of the early-midseason rows are harvested. California remained at …

Now Is the Time to Watch for PFD

Ernie NeffPFD

With bloom breaking out in Florida citrus groves, plant pathologist Megan Dewdney recommended growers keep an eye out for postbloom fruit drop (PFD). Dewdney works for the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center (CREC) in Lake Alfred.  “We have actually observed some diseased flowers,” Dewdney said March 3 at an OJ …

psyllid

Advice for Psyllid/HLB Control

Ernie NeffHLB Management, Psyllids

Even with the virtually 100 percent level of HLB infection found in Florida citrus trees, reducing Asian citrus psyllids improves tree health and yield, entomologist Lukasz Stelinski says. Stelinski is a University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) professor at the Citrus Research and Education Center.   Stelinski reports that trials the late UF/IFAS researcher Phil Stansly …

Nutrition: No One Size Fits All

Tacy CalliesNutrition, Research

By Tripti Vashisth Constant supply and soil application of macronutrients and micronutrients can improve the health and productivity of HLB-affected citrus. A 20 to 50 percent higher than University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) recommended rate of micronutrients is beneficial for HLB-affected trees. However, the nutrition program should be customized for each grove, as no one …

Highlights from the PRVCGA Annual Meeting

Ernie NeffCitrus, Public Relations

The new Peace River Valley Citrus Growers Association (PRVCGA) 4-H Citrus Club had a strong showing at the association’s annual meeting on Feb. 25 at the Turner Agri-Civic Center in Arcadia. Eighteen trees grown by club members were sold at the event. This included several grapefruit and tangerine trees that sold for more than $200 each, and the grand champion …

nutrition

Updates From the Citrus Research and Education Center Director

Ernie NeffAll In For Citrus Podcast

Michael Rogers provided updates on the Citrus Nutrition Box program initiated last fall and on the search for a new University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) vice president. He also announced the hiring of a new citrus Extension agent. Rogers is director of the UF/IFAS Citrus Research and Education Center (CREC). NUTRITION BOX PROGRAMRogers said 75 …

Sneak Peek: March 2020 Citrus Industry Magazine

Tacy CalliesSneak Peek

The March issue of Citrus Industry magazine focuses on fertilization and other production practices to keep citrus trees healthy. Tripti Vashisth’s article summarizes a three-year University of Florida (UF) study that looked at 10 different controlled-release fertilizer treatments in two different locations. The research results revealed that when it comes to citrus nutrition, one size does not fit all. Surprisingly, …

nutrition

Nutrition Questions in Need of Answers

Ernie NeffNutrition

A sheet of “Nutrient Management Concept Questions” was passed out at the January Citrus Research and Development Foundation (CRDF) board meeting in Fort Pierce. It included questions that growers and researchers have agreed need to be answered in future nutrition-related research funded by CRDF. Rick Dantzler, CRDF chief operating officer, explains how the questions were developed. “We had a Nutrition …

citrus

All In For Citrus Podcast, February 2020

Taylor HillmanAll In For Citrus Podcast

This month’s podcast includes three timely interviews on topics of interest to the citrus industry. Citrus Research and Education Center Director Michael Rogers gives an update on the Citrus Nutrition Box Program that started last fall, including the individualized nutrition recommendations being made by University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) experts. Rogers also shares the latest …

Oranges

Working Toward Better Juice Oranges

Ernie NeffAll In For Citrus Podcast, Orange Juice

University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) geneticist and plant breeder Jude Grosser discusses the need for new juice oranges and some new cultivar choices. Grosser says one reason for new varieties is the decline in orange juice sales. “In my opinion, the best way to combat that is to have a higher quality orange juice that’s …

HLB

Root Health Update

Ernie NeffRoot health

Evan Johnson, a University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) plant pathologist at the Citrus Research and Education Center, updates efforts to help citrus tree roots cope with HLB. He starts by noting that around 10 years ago he and former UF/IFAS researcher Jim Graham discovered “that HLB causes severe damage to the root system.” They hoped …