(USTR) — Consistent with recommendations of the Centers for Disease Control and Prevention, the field hearings scheduled in Florida and Georgia on April 7 and April 9 by the U.S. Trade Representative and the U.S. Departments of Agriculture and Commerce will be postponed and rescheduled at a later date. Interested parties are still encouraged to submit written comments and information …
Highlands Growers Hear Marketing Talks
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
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 …
Keeping Fresh Fruit Marketable
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 …
Root Hair Enhancement With Low Phosphorus Concentrations
By Laura Waldo and Arnold Schumann It has been the accepted belief for many years that citrus varieties and rootstocks do not develop root hairs. However, research has shown that root hair growth can be stimulated when soil phosphorus (P) concentrations are extremely low. It is possible that in Florida, citrus roots could fail to produce root hairs due to …
March Citrus Crop Forecast Sees Slight Decreases
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
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 …
Fried Addresses Citrus Issues
Florida Agriculture Commissioner Nikki Fried delivered the keynote address at the Florida Citrus Hall of Fame induction ceremonies in Lakeland on March 6. She also discussed citrus issues with Citrus Industry magazine editor Tacy Callies. Fried says the Florida Department of Agriculture and Consumer Services (FDACS), which she directs, is working with the state Legislature on a variety of budget …
Advice for Psyllid/HLB Control
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 …
Viruses Might Help Control Asian Citrus Psyllids
(UF/IFAS) — University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers are working toward establishing a new biological method that may help growers control the insect that transmits the deadly greening disease into citrus trees. Greening is present in about 95 percent of the citrus trees in Florida, so by using a virus that may kill the insect, …
Nutrition: No One Size Fits All
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 …
Hemp Production Has Risks
There are risks and significant costs in growing hemp, Tyler Mark warned about 50 attendees at the Florida Agricultural Policy Outlook Conference 2020. The event, hosted by the University of Florida Institute of Food and Agricultural Sciences Food and Resource Economics Department, took place Feb. 27 at the Citrus Research and Education Center in Lake Alfred. Mark, a University of …
Highlights from the PRVCGA Annual Meeting
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 …
Citrus Nutrition Box Program Yielding Results
(UF/IFAS) — A recent program encouraging Florida citrus growers to learn more about the nutrient management of their groves is yielding promising results. Nearly 200 growers and industry representatives attended four workshops in late 2019 to learn about the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Nutrition Box program. UF/IFAS faculty distributed 117 free boxes of …
Updates From the Citrus Research and Education Center Director
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 …
Algal Spot: A Re-emerging Disease
By Megan M. Dewdney Algal spot has not been seen frequently for many years, but in the last few years I have been getting more questions about identification and management. The disease is caused by a green alga, Cephaleuros virescens. The alga is not considered a parasite, as it grows superficially, but it does cause damage to trees if left …
Sneak Peek: March 2020 Citrus Industry Magazine
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, …
Freezing Temperatures Have Little Impact on Georgia Citrus
By Clint Thompson Last weekend’s freezing temperatures in parts of South Georgia had no effect on the state’s satsuma crop, according to Lindy Savelle, president of the Georgia Citrus Association. The bulk of Georgia’s citrus crop — 80 to 90 percent — is satsuma oranges, a cold-tolerant citrus that can withstand temperatures as low as 15 degrees Fahrenheit. Savelle said …
Some Scions Incompatible With US-1283 Rootstock
By Kim D. Bowman and Ute Albrecht The US-1283 rootstock was released by the U.S. Department of Agriculture (USDA) in 2014, based on field performance with Hamlin 1-4-1 sweet orange in trials at two different locations in Florida severely affected by huanglongbing disease. One of these trials was in St. Lucie County and of 14 years duration, while the second …
Nutrition Questions in Need of Answers
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 …