Root Hair Enhancement With Low Phosphorus Concentrations

Tacy Callies Nutrition

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 …

Nutrition: No One Size Fits All

Tacy Callies Nutrition, 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 …

citrus

Citrus Nutrition Box Program Yielding Results

Daniel Cooper HLB Management, Industry News Release, Nutrition

(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 …

nutrition

Updates From the Citrus Research and Education Center Director

Ernie Neff All 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 Callies Sneak 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 Neff Nutrition

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 …

HLB

Root Health Update

Ernie Neff Root 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 …

Citrus Industry Magazine CEU 2020 Article #1

Scouting: The tip of the IPM spear By Matt Smith 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. Why would you scout? Despite what we were all promised by Tomorrowland and …

Georgia Citrus Association to Host Annual Conference

Tacy Callies Georgia

By Clint Thompson Georgia growers interested in adding citrus to their farming operation are invited to the fourth annual Georgia Citrus Association Conference on Monday, Feb. 24, at the University of Georgia (UGA) Tifton Campus Conference Center. Scientists from UGA and the University of Florida, as well as producers who are already growing citrus trees, will be in attendance to …

CUPS: Managing Small Fruit Size

Ernie Neff CUPS

Fresh fruit has generally grown well in a citrus under protective screen (CUPS) facility at the Citrus Research and Education Center, but there has been an issue with small fruit size. Laura Waldo, a senior biological scientist who works with lead CUPS researcher Arnold Schumann, discusses the problem and likely solutions.  Waldo says causes of the smaller fruit size have …

Niche Market and Dooryard Citrus for the HLB World

Tacy Callies Varieties

By Jude Grosser, Manjul Dutt and Fred Gmitter The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus improvement team at the Citrus Research and Education Center (CREC) has developed a broad citrus germplasm base. This provides opportunities to generate diverse, interesting and possibly lucrative selections with niche market and dooryard potential. Several such selections are showing reasonable …

nutrition

Nutrition Sampling Program Update

Ernie Neff Nutrition

Approximately 110 Florida citrus growers picked up nutrition sampling kits they’ll use to help ensure their groves are receiving proper nutrition this season. The kits are part of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Nutrition Management Program launched this fall. The kits provide growers everything they need to collect four leaf samples and one …

citrus nutrition

Informing Consumers About Pesticides

Ernie Neff Pesticides

The Florida Fertilizer and Agrichemical Association (FFAA) is taking a new approach to educating consumers about the benefits and need for pesticides. FFAA President Mary Hartney, who describes herself as “an advocate for the responsible use of pesticides and fertilizers in Florida,” discussed the approach at Florida Ag Expo in November. Hartney says many people are opposed to all forms …

Cover Crops Bring HLB Recovery

Ernie Neff Cover Crops, HLB Management

About eight years ago, Ed James had given up on a grove that was ravaged by HLB in the Howey-in-the-Hills area. “I had abandoned the grove,” he says. “I was going to fix the soil to plant alternative crops. And when I started fixing the soil with cover crops, the trees turned around and started producing again.” On Nov. 15, …

PIECES OF THE PAST: Young Tree Care of Yesterday

Tacy Callies History, Pieces of the Past

By Brenda Eubanks Burnette In 1921, citrus pomologist D.W. Hadsell wrote a Citrus Industry article titled “The Care of Young Citrus Trees.” Following is information from his article on how things were done “back in the day.”  According to Hadsell, “successful tree planting requires special attention to at least four essentials.” He lists the necessary steps as follows: Keep the …

Improving Indian River Citrus Production

Ernie Neff Indian River, Research

At Citrus Expo in August, Rhuanito “Johnny” Ferrarezi reported on research into planting densities, irrigation and fertilization that might allow growers to better produce oranges in the Indian River area. He is a researcher with the University of Florida Institute of Food and Agricultural Sciences at the Indian River Research and Education Center in Fort Pierce. The Indian River region …

More on the UF Citrus Nutrition Program

Ernie Neff All In For Citrus Podcast, Nutrition

At Citrus Expo, the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) introduced a new Citrus Nutrition Program to help growers ensure their trees are getting the proper nutrition. Tripti Vashisth, UF/IFAS horticulturist at the Citrus Research and Education Center (CREC), provides more information about the effort. “We have learned the past few years that citrus nutrition can …

Grower Appreciates Nutrition Test Kit

Ernie Neff Nutrition

Lake Wales citrus grower Marshall Hartley left a recent meeting at the Citrus Research and Education Center with a box containing nutrition sampling materials for his small grove. His was one of 31 boxes passed out as part of the University of Florida Institute of Food and Agricultural Sciences’ (UF/IFAS) Citrus Nutrition Management Program. More growers will pick up boxes …

Payne Picked for 2019 Florida 500 List

Tacy Callies Awards, Industry News Release

Jack Payne, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) senior vice president of agriculture and natural resources, earned a spot on this year’s Florida 500, Florida Trend Magazine’s second annual list of the state’s most influential business leaders. Eighteen agricultural sector leaders made the list. “My recognition is really a reflection of UF/IFAS as a whole,” Payne …

Seeking Future Florida Citrus Growers

Tacy Callies Scholarship

By Tacy Callies The citrus and horticultural science major offered by Florida Southern College made the list in a recent article titled “The Strangest College Majors That Exist Today.” The article, published at cheatsheet.com, included other majors like nautical archeology, cannabis cultivation, pop culture, Canadian studies and comic art. Perhaps the citrus and horticultural science major seems strange to some …