Improving Indian River Citrus Production

Ernie NeffIndian 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 NeffAll 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 NeffNutrition

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 CalliesAwards, 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 CalliesScholarship

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 …

podcast

Nutrient Sampling to Be Funded by UF/IFAS

Ernie NeffNutrition

A University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) official announced at Citrus Expo that UF/IFAS will fund “starter kits” for nutrient sampling. Citrus Research and Education Center (CREC) Director Michael Rogers says the kits will allow for leaf and soil sampling in a 20-acre block for a year. Growers can get the starter kits at meetings slated …

Growers Should Have a Hurricane Plan

Ernie Neffhurricane

The 2019 hurricane season is well underway. Florida’s citrus industry hasn’t been threatened yet, but several months of the season remain. Multi-county citrus Extension agent Chris Oswalt suggests that growers be prepared for the possibility of a hurricane. “Have a plan; work that plan,” he says. Oswalt offers several ways growers can be prepared for a severe storm. “If you …

The Real Cost of HLB in Florida

Tacy CalliesEconomics, Production, Research

By Ariel Singerman This article summarizes the major changes in the cost of production for processed oranges in Florida since the outbreak of huanglongbing (HLB). To deal with the disease, growers have significantly changed their cultural practices. Those changes have had a considerable impact on the cost of production per acre. NOMINAL COSTS VS. REAL COSTSHowever, given that inflation also …

Citrus Industry Magazine CEU 2019 Article #3

Protecting soil and water while using pesticides By Laurie A. Hurner 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. Pesticides, pesticides, pesticides. It seems that the word pesticide has become quite …

Controlling Difficult Weeds in Citrus Groves

Tacy Calliesweeds

By Ramdas Kanissery, Camille McAvoy and Mongi Zekri Some weeds are more difficult to manage in the production system than others due to their ability to grow in an available niche. If given a chance to establish, Guinea grass and goatweed can be the two most difficult weeds to manage. This is not just because they both are prolific seed …

Coming Soon: New Citrus Scholarship

Tacy CalliesScholarship

By Tacy Callies The average age of principal farm operators in Florida is 60, according to the 2018 State Agricultural Overview for Florida published by the U.S. Department of Agriculture. As current growers approach retirement age, who is going to step in to fill their role? This is a question that’s often asked in Florida citrus, especially given the industry’s …

Update on Grapefruit Nutrition

Ernie NeffGrapefruit, Nutrition

University of Florida Institute of Food and Agricultural Sciences researcher Rhuanito “Johnny” Ferrarezi reports on research leading to fertilizer recommendations for grapefruit, especially in the Indian River area. Grapefruit has been especially hard hit by HLB, the devastating citrus disease discovered in Florida in 2005. “We are entering the second season (of the research project) and we hope to have …

How One Small Grower Handles HLB

Tacy CalliesHLB Management

By Ernie Neff It’s common belief — and probably true — that small Florida citrus growers have suffered more than larger growers as a result of HLB. Del Murphy might agree, but his family’s 66-acre citrus grove east of Avon Park is doing well by any Florida standard. He says the Murphy Partnership production program seems to be working “as …

Growers Have a Bigger Problem Than HLB

Ernie NeffHLB Management, Market

“A bigger gorilla by far than HLB, going into the future, is slumping market demand for citrus products from Florida and apparently from other producing areas in the United States as well,” declares Apopka citrus grower Chip Henry of McGuire Groves. He believes the decline in demand for Florida citrus products is related to HLB reducing fruit quality. “Consumers are …

TCP Might Help Trees Tolerate HLB

Ernie NeffHLB Management, Nutrition

Laboratory tests of tricalcium phosphate (TCP) indicate it has potential use as a fertilizer that might help citrus growers cope with HLB, says Laura Waldo, a University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) laboratory manager. “The hope is that it can help a tree by inducing root hair development and thereby allowing the tree to uptake nutrients …

Israel’s Dynamic Citrus Industry

Tacy CalliesCitrus

By Stephen H. Futch and Ariel Singerman As home to three of the world’s major religions, Israel is one of the most diverse countries in the world. Besides its cultural diversity and historical importance, Israel is also a major citrus producer and exporter. Israel’s citrus industry began in 1882. As new immigrants moved to the country, they established many very …

grapefruit

Grapefruit Grown Under Protective Screens Maximizes Fruit Yield

Daniel CooperCitrus Greening, CUPS, Grapefruit, Industry News Release, Research

Growers of one of Florida’s signature citrus crops may see more production and possibly less of the deadly citrus greening disease. Researchers have worked for four years growing grapefruit under protective screens on a 1-acre experimental plot at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), and they’re seeing encouraging results. UF/IFAS scientists and a few commercial …

soil

Soil and Water pH Play a Key Part in Nutrition

Tacy CalliesNutrition, Water

By Tripti Vashisth, Davie Kadyampakeni and Lushan Ghimire In the past few years, horticultural citrus grove management practices have changed significantly in Florida. It is a common observation across the state that huanglongbing (HLB)-affected trees respond well to complete and balanced nutrition programs. Therefore, citrus growers are currently focusing on intensive management of irrigation and nutrition. HLB-affected trees suffer a …

Critical Leaf Nutrient Thresholds to Diagnose Deficiencies in HLB Trees

Tacy CalliesHLB Management, Nutrition

By Arnold Schumann, Laura Waldo, Tripti Vashisth, Alan Wright and Kelly Morgan Huanglongbing (HLB) disease severely impacts the nutrient status of citrus trees, particularly by stunting the feeder roots and causing measurable deficiencies of nutrients in the roots and canopies. Visible symptoms of nutrient deficiencies on citrus foliage are characteristic but not diagnostic of HLB disease. Recent HLB research efforts …