Grapefruit Grown Under Protective Screens Maximizes Fruit Yield

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

grapefruit

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 … Read More

New Extension Agent for Indian River Citrus Growers

Daniel CooperCitrus, Industry News Release, Research

A horticultural research scientist with experience in the development of disease-free citrus rootstock and disease-tolerant citrus varieties in Iran’s northern agricultural region will now serve the Indian River District’s growers. Amir Rezazadeh recently began his new position as multicounty fruit and field crops agent for the University of Florida’s Institute of Food and Agricultural Sciences (UF/IFAS) Extension in Saint Lucie … Read More

Large-Scale Citrus Field Trials Idea Surfaces

Daniel CooperCitrus, Citrus Greening, HLB Management, Research

scale

Citrus research continues to be a topic in state and federal funding circles as the industry’s battle with HLB, or citrus greening, continues. One idea in the incubator of industry discussion is the Citrus Research and Field Trial (CRAFT) program. It would involve large-scale grower field trials throughout Florida. Rick Dantzler, chief operating officer of the Citrus Research and Development … Read More

Source of the Sour in Citrus Identified

Daniel CooperIndustry News Release, lemons, Research

sour

The identification of genes responsible for sour taste in citrus fruit may enable the creation of new, sweeter varieties. A team of researchers, including two from the University of California, Riverside (UCR), has identified the genes responsible for the hallmark sour taste of many citrus fruits. Published Feb. 25 in Nature Communications, the research could help plant breeders develop new, … Read More

Gmitter Talks Gene Editing at AgVocacy Forum

Daniel CooperGenetic Engineering, Research

agvocacy

By Gary Cooper This year’s AgVocacy Forum, hosted by Bayer Crop Science, again featured numerous provocative and insightful presentations dealing with emerging issues in agriculture from a number of perspectives. Bayer hosts many of the nation’s farm media for this two-day event each year, just before the start of the nationwide gathering of corn, soybean, wheat and sorghum producers at … Read More

Automated System Under Study to Deliver Bactericides

Daniel CooperCitrus Greening, Industry News Release, Research

chemicals

Imagine using a robotic arm to grip and puncture the trunk of a citrus tree to deliver chemicals into the vascular parts of the plant, reducing its susceptibility to the citrus greening disease. Ozgur Batuman, an assistant professor of plant pathology at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), leads a team of researchers trying to … Read More

Developing New Greening-Tolerant Citrus

Daniel CooperCitrus Greening, Industry News Release, Research

greening

When Nian Wang pieces together sequences of genes, he hopes to make citrus varieties that are more tolerant to the deadly disease known as citrus greening, which has devastated a multibillion-dollar-a-year industry in Florida. Wang, a professor of microbiology and cell science with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), will help an investigation in which … Read More

New Mandarin Gives Growers Advantages

Daniel CooperBreeding, Research

mandarin

Commercial citrus growers will soon see a new seedless mandarin variety that stays on the tree longer, two traits farmers seek, say University of Florida scientists. Marathon, an early season mandarin, is also easy to peel and tastes good, said Fred Gmitter, a professor of breeding and genetics at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS). … Read More

Deadline Extended for Submitting HLB Project Applications

Tacy CalliesHLB Management, Research

scale

The Huanglongbing Multi-Agency Coordination (HLB MAC) group is extending the deadline for submitting project applications to Friday, March 8, 2019. Information on applying for funding, including the application template, criteria for evaluation and the submission process, is available on the HLB MAC site.  The HLB MAC funds applied research projects that are likely to deliver a useable tool in the … Read More

Study Zeroes in on Organic Ways to Beat Citrus Greening

Daniel CooperCitrus Greening, HLB Management, Industry News Release, Research

citrus greening

Results show promise for organic groves, but more research is needed. Since it was first discovered in the United States in 2005, the bacterial disease known as citrus greening, or Huanglongbing, has devastated millions of acres of citrus crops throughout this country and abroad, ravaging citrus groves in Asia, Africa and South America. Citrus greening has impacted conventional and organic … Read More

Ag Engineer Joins UF Scientists to Restore Grapefruit Industry

Daniel CooperResearch, Water

agricultural engineer

An agricultural engineer whose current research projects include the simulation of agricultural management impacts on water quantity and quality in the upper Floridan aquifer has joined the University of Florida’s Indian River Research and Education Center (IRREC). Sandra Guzmán will lead the center’s irrigation and hydrology program. Guzmán started her position as an assistant professor of agricultural and biological engineering … Read More

Citrus Nutrition Day to Include Field Tours

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

HLB

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 … Read More

Kaolin Clay May Be Viable Option to Protect Citrus Trees from ACP

Daniel CooperCitrus Greening, Industry News Release, Psyllids, Research

Florida citrus growers have begun taking notice of kaolin clay, a powdery white compound, because it can cause Asian citrus psyllids (ACP) to “not take notice” of their groves. Long used to protect other fruit and vegetable crops, kaolin can also conceal citrus trees from hungry psyllids by confusing their visual sensory system, said Michael Rogers, director of the Citrus … Read More

UF/IFAS Event Combines Latest Citrus Varieties with New Breeding Research

Daniel CooperBreeding, Research

varieties

On Dec. 4 at the Citrus Research and Education Center (CREC), citrus growers can see if they want to grow the latest varieties from University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) breeders and then learn more about commercializing crops. In the morning, industry members can sample the latest citrus varieties from UF/IFAS breeders. “These are new varieties … Read More

Citrus Advisory System May Help Prevent PFD Losses

Daniel CooperCitrus, Research

citrus

A new University of Florida-developed forecasting system could help citrus growers control postbloom fruit drop this winter, despite the predicted El Niño weather pattern that’s expected to bring more rain and moderate temperatures. With an El Niño, forecasters expect above-average rain this winter and early spring. Increased rain improves the chances of fungal spores splashing from flower to flower in … Read More

Laser Technology May Be Key to Rehabilitating HLB Trees

Daniel CooperCitrus, Citrus Greening, HLB Management, Research, Technology

laser

A University of Florida (UF) scientist hopes to improve on laser technology to enhance the efficiency of spray solutions aimed at restoring vitality to greening-affected citrus trees and reducing amounts of chemicals applied. With the updated technology, a laser shoots infra-red energy pulses at citrus tree leaves, said Ed Etxeberria, a professor of horticultural sciences at the UF Institute of … Read More

A Day in the Life of a UF/IFAS Extension Agent: Juanita Popenoe

Daniel CooperCitrus, Industry News Release, Research

When growers in Central Florida need help with an alternative crop to citrus, they turn to Juanita Popenoe. The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Extension agent spends her days helping farmers who are looking for options to diversify their groves impacted by citrus greening disease. “Since citrus greening has hit the industry so hard, citrus … Read More

Young Citrus Trees May Benefit from Full Irrigation

Daniel CooperCitrus, Citrus Greening, HLB Management, Industry News Release, Irrigation, Research

citrus trees

Mature citrus trees affected by the bacterial disease huanglongbing (HLB) typically need about 25 percent less irrigation than their healthy counterparts However, that doesn’t necessarily mean young trees with the disease will benefit from water deficits, according to a preliminary greenhouse study by researchers with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS). Experiments on 1-year-old orange … Read More

Effects of Homobrassinolides on HLB-Affected Trees in Florida

Tacy CalliesHLB Management, Research

By Fernando Alferez, Christopher Vincent and Tripti Vashisth In the current scenario of widespread infection and severe symptoms of HLB in Florida, horticultural practices that improve plant health in the presence of the disease are needed. For this reason, we sought to follow up on reports of positive effects of a brassinosteroid on infected plants. Brassinosteroids are a relatively newly … Read More