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 …

Cover Crops for Citrus

Tacy CalliesCover Crops

By Sarah Strauss, Davie Kadyampakeni, Ramdas Kanissery, Tara Wade, Lauren Diepenbrock and Juanita Popenoe Cover crops are specific crops not intended for sale but for soil improvement and sustainability. They are increasingly common in the agricultural fields of the Midwest and other grain-producing regions because of the wide range of benefits not just for the soil, but also the cash …

Citrus Grower Sees Success with Cover Crops

Tacy CalliesCover Crops

By Juanita Popenoe and Lauren Diepenbrock Ed James has citrus in his veins. He has been working and thriving in the citrus business since he was a teenager — from hoeing orange trees to owning a caretaking business that serviced thousands of acres. That is, until about eight years ago. In 2010, James looked around his personal 45-acre citrus grove …

Studying Citrus Roots in the HLB Era

Tacy CalliesRoot health

By Lorenzo Rossi, Ute Albrecht and Evan Johnson Citrus root systems are confronted with many challenges that limit resource availability needed for tree productivity. Challenges are compounded by huanglongbing (HLB), which now affects nearly all citrus trees throughout Florida’s production areas. Contrary to the above-ground portion of the tree, study of the below-ground portion is considerably more difficult. This article …

PIECES OF THE PAST: Citrus Cultivation a Century Ago

Tacy CalliesPieces of the Past

By Brenda Eubanks Burnette I found the first issue (January 1920) of Citrus Industry, courtesy of Jen Dawson at the Citrus Research and Education Center in Lake Alfred, Florida. As I looked through the issue, I came across an article on soil tillage. Unfortunately, the pages had stuck together and only the last part was readable, but I wanted to …

Citrus Expo

Trees Improving with Good Nutrition

Ernie NeffNutrition

Many things are improving in Florida citrus groves, and Tripti Vashisth gives most of the credit to constant and balanced fertilization. Vashisth is an assistant professor at the University of Florida Institute of Food and Agricultural Sciences Citrus Research and Education Center in Lake Alfred. “You can see that tree health seems to be improving; growth is improving,” Vashisth said. …

Strategies for Stronger Roots

Tacy CalliesRoot health

Citrus growers discuss production practices to improve root health. By Tacy Callies What began as an experiment in Ben Krupski’s 10-acre grove in Howey-in-the-Hills, Florida, is now a common practice he uses as production manager for Lennon Grove Service. Four years ago, Krupski started testing the use of compost in his small leased block of Hamlin trees. In the first …

PIECES OF THE PAST: Think Upside Down

Tacy CalliesPieces of the Past

By Brenda Eubanks Burnette The headline of a Wilson & Toomer Fertilizer Company advertisement in a 1949 Citrus Industry magazine read “how to think UPSIDE DOWN — and make more money!” It included the following copy: “If a tree can be said to think at all — it thinks from the bottom up — just opposite to Man. To make …

Citrus Expo Seminar Planning Underway

Tacy CalliesCitrus Expo

Citrus Expo is just six months away, which means the planning process has started for the seminar program. Growers of citrus, vegetables and specialty crops will once again have the opportunity to earn continuing education units and Certified Crop Adviser credits at the event. Citrus Expo will kick off with a general session on top agricultural issues of importance to …

HLB Here to Stay

Ernie NeffHLB Management

Among other topics she discussed in her part of the latest All In For Citrus podcast, Laurie Hurner emphasized that HLB is here to stay. Hurner is the Highlands County Extension director and a citrus Extension agent. “At some point we do have to make the decision in the field, at the grower production level and at the higher levels …

California Growers Reach Drinking Water Accord with State

Len WilcoxCalifornia Corner

Coalitions of San Joaquin Valley growers created to help comply with water quality regulations have reached a settlement agreement with the State Water Resources Control Board (SWRCB). The coalitions include the Kaweah Basin Water Quality Association, Tule Basin Water Quality Coalition and Kings River Watershed Coalition Authority. As part of the agreement, the coalitions will install kiosks to ensure safe drinking …

orange

Growing 325 Boxes of Citrus per Acre

Ernie NeffCitrus

Grower Roy Petteway told fellow growers attending a recent grower roundtable meeting in Arcadia that his 400 acres of citrus groves in three counties are averaging production of 325 boxes per acre. That’s approximately double the production level of the average Florida citrus acre hammered by HLB, though far below pre-HLB production levels. Petteway grows fruit for processing in DeSoto, …

PIECES OF THE PAST: Citrus 70 Years Ago, as Told by Uncle Bill

Tacy CalliesPieces of the Past

By Brenda Eubanks Burnette Editor’s note: Citrus Industry is pleased to welcome back Pieces of the Past to the pages of the magazine after publishing it on CitrusIndustry.net for the past year. This popular citrus history column returns to the magazine in preparation for Citrus Industry magazine’s 100th anniversary in January 2020. Leading up to the anniversary, each Pieces of …

Food-Safety Recommendations for Fresh Market Citrus

Tacy CalliesFood Safety

It’s time to prepare for implementation of the Produce Safety Rule. By Travis Chapin, Michelle Danyluk and Keith Schneider In preparation for implementing the Food Safety Modernization Act’s Produce Safety Rule (PSR), growers, harvesters and packers of fresh citrus are required to attend standardized food-safety training, such as the Produce Safety Alliance (PSA) grower training course, which outlines the minimum …

pests

How to Identify and Avoid Nutrient Deficiencies

Ernie NeffNutrition

  Nutrient deficiencies are common in HLB-affected trees, which make up the vast majority of Florida citrus trees. At a recent Citrus Nutrition Day in Bartow, University of Florida Institute of Food and Agricultural Sciences researcher Arnold Schumann discussed ways to identify and avoid nutrient deficiencies. A common identification method for nutrient deficiencies is direct observation, “walking through your grove, …

Taking Technology to the Grove

Tacy CalliesCUPS, Technology

By Ernie Neff Jerry Mixon’s use of netting to keep birds from blueberries helped pique his interest in growing citrus under protective screen (CUPS) to exclude HLB-spreading psyllids. But he credits University of Florida researcher Arnold Schumann with helping him bring his Polk County CUPS project to fruition. Mixon met Schumann in 2015, the year after Schumann’s 1-acre CUPS was …

production

Citrus Nutrition Day to Include Field Tours

Daniel CooperCitrus, Citrus Health Management Areas, Industry News Release, Nutrition, Research

This year’s Citrus Nutrition Day — at which growers will learn the latest data about growing the fruit, from the soil up through the plants — is expanding to include tours of field trials. After a morning of updates from University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers, participants may tour field sites at the Peace River …