Research on Water and Nutrient Retention

Ernie NeffNutrition, Research, Water

New research is using repurposed straw to create a tool that can help crops retain water and nutrients. Gang Chen, a professor of civil and environmental engineering at the Florida A&M University-Florida State University College of Engineering, led the research. It uses straw left over from processing crops like rice, wheat and corn to produce hydrogels. Hydrogels are molecules that …

Weed Management: Use Multiple Methods

Tacy Calliesweeds

Citrus growers have multiple options in their weed management toolbox to tackle such problems as parthenium, ragweed, sweet clover and amaranth. Ramdas Kanissery, weed scientist and assistant professor at the University of Florida Institute of Food and Agricultural Sciences Southwest Florida Research and Education Center, believes the right tool or combination of tools can improve yields and help protect trees. …

citrus

Pests in CUPS and IPCs

Ernie NeffCUPS, Pests

Citrus under protective screen (CUPS) and young trees covered with individual protective covers (IPCs) have generally been well protected from HLB-spreading Asian citrus psyllids, but not from all other pests. Entomologist Jawwad Qureshi says the psyllids only get to trees when a CUPS structure or IPC is damaged, as happened to CUPS during Hurricane Irma in 2017. “Otherwise they do …

Growers Discuss BMPs

Ernie NeffBMPs

Two growers participating in a Dec. 16 program about local agricultural issues shared some of the best management practices (BMPs) their companies employ. The event was hosted by the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Southwest Florida Research and Education Center (SWFREC) in Immokalee. Danny Sutton, president and general manager of Alico Citrus, said Alico sprayers …

soil

Soil, Cover Crops and Compost

Ernie NeffCover Crops, Soil Improvement

Soil organic matter benefits citrus, but there isn’t much of it in Florida groves, says University of Florida Institute of Food and Agricultural Sciences soil microbiologist Sarah Strauss. Most Florida citrus land typically contains only 1 to 2 percent soil organic matter, says Strauss, who works at the Southwest Florida Research and Education Center. “Areas near the Everglades with muck …

agriculture

Growers and Representatives Meet

Ernie NeffAgriculture, Legislative

State representatives Byron Donalds and Bob Rommel met with citrus and vegetable growers at a Dec. 16 discussion in Immokalee about local agricultural issues. The event was hosted by the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Southwest Florida Research and Education Center. Donalds said he wants to be sure IFAS recommendations, on which best management practices …

morgan

BMPs Discussion Attracts Growers

Ernie NeffWater

A Dec. 16 discussion of local agricultural issues with a focus on best management practices (BMPs) attracted more than 50 attendees to Immokalee. The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Southwest Florida Research and Education Center hosted the event. Professor and center director Kelly Morgan summarizes the discussions, which he says included “some of the success …

chemicals

UF Researcher Seeks Biological Control of ACP

Tacy CalliesPests, Regulation

In the latest All In For Citrus podcast, Ozgur Batuman talks about his research into biological control of the Asian citrus psyllid (ACP). Batuman is an assistant professor at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Southwest Florida Research and Education Center. ACP control is necessary for management of citrus greening disease, or huanglongbing (HLB). Batuman’s …

IPCs for HLB Prevention in Young Trees

Tacy CalliesHLB Management

By Fernando Alferez, Susmita Gaire, Ute Albrecht, Ozgur Batuman, Jawwad Qureshi and Mongi Zekri Controlling the Asian citrus psyllid vector of huanglongbing (HLB) is critical, especially in young trees. Reducing HLB incidence is essential for tree survival and productivity under current endemic conditions. Individual protective covers (IPCs) are a novel strategy based on psyllid exclusion by means of a protective …

Graduate Students Play Big Role in Research

Ernie NeffResearch

University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) faculty members play the lead role in citrus research, but they depend heavily on graduate students to get the work done. Kelly Morgan, director of the UF/IFAS Southwest Florida Research and Education Center (SWFREC), explains the graduate students’ role in research, after first discussing new graduate student housing being constructed …

Steaming for Weed Management

Tacy Calliesweeds

By Ramdas Kanissery and Yiannis Ampatzidis Weeds are a significant problem in horticultural production and must be controlled to maintain good crop yield. Concerns related to non-judicious use of herbicides, which include ground and surface water contamination and pesticide residues in food, has sparked public awareness and restrictions on herbicide use. For these reasons, alternative and integrated systems for weed …

nutrition

Nutrition Kits to Help Citrus Growers

Daniel CooperIndustry News Release, Nutrition

Florida’s citrus growers can soon get additional help in managing citrus greening through the newly developed University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Nutrition Program. The basis for the program is to improve the overall health and productivity of citrus groves affected by citrus greening disease by refining production practices; in particular, adjusting fertilization programs. Growers …

drone

Cloud-Based Software Helps Farmers on the Ground

Daniel CooperIndustry News Release, Technology

A University of Florida agricultural engineer has developed software that can help farmers find the best places to plant crops and to identify fruit and vegetable varieties that perform better against diseases. Now, Yiannis Ampatzidis is leading an effort to refine the software so it can help growers even more. To help farmers protect and even increase their harvests, Ampatzidis, …

citrus expo

PIECES OF THE PAST: A Look Back at the First Citrus Expo

Tacy CalliesCitrus Expo, Pieces of the Past

Industry members attended the 28th annual Citrus Expo this month. Let’s take a look back to the event’s beginnings. Known as the Southwest Florida Citrus Expo at the time, the event took place Aug. 26–27, 1992, shortly after Hurricane Andrew hit South Florida. The first Citrus Expo was held at the Lee Civic Center in North Fort Myers, the same …

Psyllids

Psyllids, Yield and Weed Control

Ernie NeffPsyllids, weeds

Recent University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) research shows that HLB-spreading psyllids can feed on weeds, and that good weed control can increase fruit yield. The research results were presented by UF/IFAS weed scientist Ramdas Kanissery, who works at the Southwest Florida Research and Education Center (SWFREC) in Immokalee. Kanissery said his work on psyllids feeding …

chemicals

Getting HLB Material Into Phloem

Ernie NeffHLB Management

University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) plant pathologist Ozgur Batuman discusses efforts to get materials that fight HLB into the citrus tree’s phloem, where it might be most effective. Batuman explains that bacteria that cause HLB “live inside the phloem of citrus. That is very difficult to reach to kill … by conventional methods, such as …

Understanding Glyphosate Formulations

Tacy CalliesResearch, weeds

By Ramdas Kanissery, Steve Futch, Brent Sellers and Camille McAvoy Glyphosate is a popular post-emergent herbicide among Florida citrus growers for its broad-spectrum of weed control under trees and in row middles. The use of glyphosate as a “burn-down” application alone, or in combination with other herbicides, is a standard practice in citrus groves. Various glyphosate-containing product formulations are available …

November

All In For Citrus Podcast, June 2019

Taylor HillmanAll In For Citrus Podcast

June’s All In For Citrus Podcast is filled with updates on University of Florida citrus research. First, Citrus Research and Education Center Director Michael Rogers discusses a recent visit by some U.S. Department of Agriculture administrators who make decisions on how millions of dollars in farm bill citrus research money are allocated. He explains that the visit was very valuable …

FDOC

Drone Images Can Accurately Find, Count Citrus Trees

Daniel CooperIndustry News Release, Research, Technology

By using drone technology, Florida citrus growers can find out how many trees live in their groves and, eventually, they may detect the health status of the trees, a new University of Florida study shows. Imaging from unmanned aerial vehicles (UAVs) can accurately detect and count citrus trees and spaces where trees have had to be removed in groves, said …

Covers Protect Young Trees from HLB

Ernie NeffHLB Management

Individual protective covers (IPCs) on young trees have prevented HLB infection in one year of study, a University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researcher said. Fernando Alferez, citrus horticulturist at the Southwest Florida Research and Education Center (SWFREC), announced his promising results at the recent Florida Citrus Show in Fort Pierce. “They (IPCs) are protecting the …