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

hlb

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

grapefruit

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

New UF/IFAS Entomologist: From a Kid’s ‘Lab’ to Helping Citrus Growers

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

long-horned beetle

As a girl in her garage in Palm Bay, Florida, Lauren Diepenbrock, already a budding scientist, peered through the lens of her microscope and marveled at the magnification. “As a kid, I played in the woods and brought back all sorts of ‘finds,’ including a snake skeleton, none of which my mom allowed in the house,” said Diepenbrock, an assistant … Read More

Citrus Tree Covers Keep Deadly Psyllids Away

Daniel CooperCitrus Greening, HLB Management, Research

citrus

University of Florida (UF) scientists are finding that by covering new citrus trees with mesh, they can keep disease-carrying insects from harming the plants. That could be a big step toward stemming the deadly citrus greening disease, UF Institute of Food and Agricultural Sciences (IFAS) researchers say. Asian citrus psyllids can infect the citrus trees with greening, also known as … Read More

Hands-On Training Scheduled at UF/IFAS Citrus Workshop

Daniel CooperCitrus, Citrus Greening, Industry News Release, Research

HLB

Florida citrus growers will learn about the latest research from the University of Florida Institute of Food and Agricultural Sciences and test new technology at a workshop in Sebring, Sept. 25-26. UF/IFAS Extension Highlands County is working with statewide UF/IFAS Citrus Extension faculty to bring the latest in scientific studies and a hands-on learning experience to growers. Faculty will cover … Read More

CUPS Protects Citrus from HLB and Storms

Daniel CooperCitrus Greening, CUPS, Research

citrus

A system designed to protect citrus trees from the deadly greening disease withstood the ravaging winds of Hurricane Irma last year, University of Florida scientists say. With reinforcements installed after the storm, they’ll likely withstand even more dangerous storms. Using citrus under protective screening (CUPS), growers can keep the Asian citrus psyllids away from their trees, said Arnold Schumann, a … Read More

Could HLB-Tolerant Mandarins Be Used in Florida Orange Juice?

Tacy CalliesResearch

new york times

By Laura Reuss, Fred Gmitter and Yu Wang Sweet orange and mandarin fruits are the most popular citrus crops worldwide. Although often mistakenly considered one and the same, oranges and mandarins are different species with specific distinctions. For instance, mandarins are smaller and easier to peel than oranges. Additionally, mandarins are primarily eaten as fresh fruit, whereas most sweet oranges … Read More

New Monthly Podcast for Citrus Growers

Daniel CooperCitrus, Industry News Release, Research

podcast

The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) and Southeast AgNet are partnering to provide the latest news on citrus-related research in a monthly podcast. The podcast, “All in for Citrus,” will launch the last week in September and will feature short interviews with scientists working to find solutions to citrus greening and other devastating citrus diseases. … Read More