The Effect of the Clean Waterways Act on Ag

Tacy Callies Tip of the Week

The Clean Waterways Act (Senate Bill 712) was signed into law on June 30 by Gov. Ron DeSantis. The act discusses several mechanisms and provisions to protect waterways by reducing water pollution. It includes a few changes that directly affect the agriculture industry. The law requires the Florida Department of Agriculture and Consumer Services (FDACS) to perform onsite implementation verification …

Survey on Water and Technology Use

Ernie Neff Technology, Water

University of Florida (UF) researchers are conducting a survey to study smart agriculture technology acceptance and adoption behavior of Florida specialty crop growers, specifically growers of crops requiring regular irrigation. Adam Watson, an assistant professor in the Department of Agricultural and Biological Engineering, and doctoral candidate Raminder Kaur are requesting the information. The survey requests feedback on growers’ use of …

Citrus Nematode and Resistant Rootstocks

Tacy Callies Pests

University of Florida Institute of Food and Agricultural Sciences professor Larry Duncan discussed the citrus nematode (Tylenchulus semipenetrans) during a recent international webinar on plant parasitic nematodes hosted by ADAMA. T. semipenetrans has a worldwide geographical distribution, making it the most common plant parasitic nematode of citrus. According to Duncan, this pest is regulated by seasonal carbon flux in fibrous …

nutrition

CRDF Addresses Plant Improvement, Budget

Ernie Neff CRDF

Citrus Research and Development Foundation (CRDF) directors recently received an update on planned rootstock field trials and discussed the organization’s budget, CRDF Chief Operating Officer Rick Dantzler reported. ROOTSTOCK TRIALSThe new rootstock trials will be overseen by CRDF’s Select Committee on Plant Improvement, which met on Oct. 22 with citrus grower John Gose as chairman. Dantzler said the field trials …

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Black Spot Likely in More Florida Counties

Ernie Neff Diseases

Although citrus black spot has only been detected in commercial groves in five Southwest Florida counties, it is still spreading and likely to be in additional counties, according to plant pathologist Megan Dewdney. The five counties with detections are Charlotte, Collier, Glades, Hendry and Lee. Dewdney is a University of Florida Institute of Food and Agricultural Sciences associate professor at …

USDA OJ Purchases Set Precedent

Ernie Neff Orange Juice

Marisa Zansler, economist for the Florida Department of Citrus, recently gave the Florida Citrus Commission an update on U.S. Department of Agriculture (USDA) Section 32 purchases of orange juice (OJ). A summary of her report follows. The purpose of USDA Section 32 purchases is to help alleviate depressed markets for domestically produced agriculture products. The USDA Agricultural Marketing Service also …

Proving COVID-19 Isn’t Foodborne

Ernie Neff COVID-19, Food Safety

When the COVID-19 pandemic became news in the United States early this year, some consumers and others wondered if it might be spread by food or food packaging. Food scientist Michelle Danyluk says there is no epidemiological evidence that COVID-19 is spread that way. “But epidemiological evidence isn’t the same as hard science data,” she adds. Consequently, she and other …

Emerging Trunk Disorders

Tacy Callies Diseases

By Evan Johnson and Megan Dewdney The last two years have seen increasing grower questions and reports of citrus trunk disorders in Florida. Sometimes these reports are associated with sudden tree collapse. In many cases, phytophthora foot rot is initially suspected. Typically, the symptoms don’t quite match those of foot rot, and phytophthora cannot be isolated from the lesion. If …

PIECES OF THE PAST: When Canned Grapefruit Came on the Scene

Tacy Callies Pieces of the Past

By Brenda Eubanks Burnette October has always signaled the first crop forecast, heralding the start of a new Florida citrus season. However, picking often begins in September for some eager to be the first out of the blocks. But, in the early days, with so much of the crop being sold fresh, it was imperative not to ruin the rest …

Cutrale Wins Quality Award

Tacy Callies Awards

Cutrale has been named a 2020 Supplier Award winner by ADM. An international agribusiness group, Cutrale is involved in orange growing and processing, orange juice manufacturing and distribution with operations in Brazil, Japan, the Netherlands, Portugal, the United Kingdom and the United States. ADM is an agricultural origination and processing company that connects crops to markets on six continents. During …

Boosting Citrus Tree Immunity to Combat HLB

Tacy Callies HLB Management

By Manjul Dutt, Juliana Soares and Jude Grosser Land plants such as citrus are generally anchored to a specific location by their roots. Owing to their immobile nature and constant exposure to pathogenic microbes, plants are very vulnerable. However, you might be surprised by how much plants can protect themselves and survive against multiple adversities encountered during their lifetime. A …

Using CRISPR for HLB Resistance

Ernie Neff Citrus Expo, Research

Use of CRISPR (clustered regularly interspaced short palindromic repeats) technology has already produced trees that are highly resistant to citrus canker. In a Citrus Expo virtual presentation, microbiology and cell scientist Nian Wang reported on work that is being done with CRISPR to develop tree resistance to HLB. Wang is a University of Florida Institute of Food and Agricultural Sciences …

florida citrus

Growers Want Aldicarb Again

Ernie Neff Pesticides

Citrus growers told Environmental Protection Agency (EPA) officials why they want the insecticide aldicarb registered for use in Florida citrus, and discussed their problems with citrus greening. EPA cancelled the use of Temik, the Bayer brand name for aldicarb, on citrus at the end of 2011. Mike Aerts of the Florida Fruit & Vegetable Association (FFVA) said the Oct. 22 …

South African Citrus Exports to Set Record

Ernie Neff Export/Import

South African citrus exports, both globally and to the United States, are expected to reach record levels in 2020, according to a report from the U.S. Department of Agriculture’s Foreign Agricultural Service (USDA/FAS). The expected record is based on the pace of exports up to August 2020, increased production, a spike in demand for health reasons and limited logistics disruptions …

Citrus Advisory System Provides PFD Alerts

Ernie Neff Diseases

Beep. Beep. Beep. That’s the sound of an alert telling a citrus grower it’s time to spray fungicide to help prevent fruit from falling off the tree due to postbloom fruit drop (PFD). University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers have developed a Citrus Advisory System (CAS) that sends web-based alerts to growers via mobile devices. …

Herbicides: What to Mix and What Not to Mix

Tacy Callies Herbicides, Tip of the Week

By Ramdas Kanissery Tank-mixing different herbicides with multiple selectivity and modes of action will broaden the range of weeds controlled in a single application. Although it is an effective and popular strategy, when components (herbicide products and spray additives) in the tank mixes are not compatible with each other, the resulting combination can produce unintended and unsuccessful results. THINK BEFORE …

Sneak Peek: November 2020 Citrus Industry

Tacy Callies Sneak Peek

As the new Florida citrus season starts, growers have many things on their minds: the low citrus forecast, the threat of potential freezes, and how best to protect both trees and employees. The November issue of Citrus Industry magazine aims to address these concerns. First up is a complete report on the U.S. Department of Agriculture’s initial crop forecast for …

UF/IFAS Gets $4.5M to Continue HLB Fight

Ernie Neff HLB Management

Three teams of scientists from the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) recently received nearly $4.5 million in U.S. Department of Agriculture (USDA) funds to study new ways to manage HLB. The funding is part of the $45 million in grants the USDA National Institute of Food and Agriculture’s Emergency Citrus Disease Research and Extension Program …

bayer crdf

Bayer HLB Project Extended

Ernie Neff HLB Management

A large multi-year Bayer Crop Science project aimed at finding solutions for HLB will be extended by a grant from a branch of the U.S. Department of Agriculture (USDA). The two-year grant for just over $10 million came from USDA’s National Institute of Food and Agriculture (NIFA). The grant is to the Citrus Research and Development Foundation (CRDF) and its …

orange

FDOC Offers 2020-21 Citrus Season Outlook

Ernie Neff Economics

Florida Department of Citrus (FDOC) economist Marisa Zansler recently broke down the expected utilization of the 57 million boxes of oranges Florida is forecast to produce in the 2020-21 season. She also offered projections for utilization of grapefruit and specialty fruit, and made other economic projections in her outlook for the season. ORANGESAbout 96 percent of the orange crop is …