citrus

Steam Technique Can Spell Doom for Citrus Weeds

Daniel CooperIndustry News Release, Research, weeds

Like many farmers nationwide, citrus growers are looking for any edge in their fight against weeds, and they’d rather use fewer chemicals to control the plants, says a University of Florida scientist. That’s because chemicals can get into groundwater, surface water and plants themselves. Weed scientist Ramdas Kanissery and his colleagues at the University of Florida Institute of Food and …

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 …

A Growth-Enhancing Pest Management Option

Tacy CalliesHLB Management, Research

By Christopher Vincent Particle films can both increase tree growth and reduce Asian citrus psyllid populations. University of Florida (UF) research has found particle films delay infection with the CLas bacterium, which causes HLB. They also enhance growth rates and yield. Particle films do have limitations to efficacy, including being washed off in frequent or heavy rains. Overall, particle films …

Citrus Research Facility Opening Set

Len WilcoxCalifornia Corner, Research

Sept. 26 will be the official opening day for a new bio-safety citrus research facility at the University of California, Riverside (UCR). A ribbon-cutting ceremony and other activities are scheduled to highlight the day. Members of the California Citrus Research Foundation, California Citrus Mutual (CCM) and the Citrus Research Board will be in attendance. The facility was funded by California …

Sugar Belle® Shows Potential in Orange Juice Processing

Tacy CalliesResearch

By Yu Wang, Charles Sims, Zhifeng Gao, Lisa House, Frederick Gmitter and Jude Grosser The citrus industry has faced significant declines in both production and consumption during the huanglongbing (HLB) era. For example, Florida orange production has dropped about 70 percent over the last two decades. In the absence of effective interventions, the spread of HLB will continue to reduce the …

Research on Shade Benefits and Growing Better Bingo

Ernie NeffCitrus, Research

Money provided by the Florida Legislature allows research into the positive impact of shade on trees, Bingo tree dieback and additional areas not funded by other sources. “The University of Florida (UF) each year gets legislative appropriations from the state, and these are Citrus Initiative legislative funds,” says Michael Rogers, director of the Citrus Research and Education Center (CREC). The …

citrus greening

Researchers to Look Deeper Into HLB Management

Tacy CalliesHLB Management, Research

By Karla Arboleda University of Florida Institute of Food and Agricultural Sciences researchers are getting ready to conduct several trials on tools used to protect young citrus trees from HLB. The team of five researchers will receive $665,471 in funding from the U.S. Department of Agriculture for experiments at the Citrus Research and Education Center (CREC) in Lake Alfred. Lauren …

Manipulating Flowering for Better Grove Management

Tacy CalliesProduction, Research

By Tripti Vashisth, Garima Singh and Megan Dewdney Citrus trees grown in the field undergo various types and levels of stress continuously. The stressors can be several things, including heat, cold, drought, soil pH, chemicals, pests and diseases. The constant presence of huanglongbing (HLB) and psyllid infestation adds stress to the trees, which compromises the plant response and makes the …

craft

CRAFT Program Update

Daniel CooperIndustry News Release, Research

The Citrus Research and Field Trial (CRAFT) Foundation Board held its initial meeting on July 31 at Florida Citrus Mutual (FCM) headquarters in Bartow. FCM President Tom Mitchell as well as FCM board members Glenn Beck and Mark Wheeler serve on the CRAFT board along with Harold Browning, Premier Citrus; John Updike Jr., Florida citrus grower; Phillip Rucks, Phillip Rucks …

Florida orange

Oxytetracycline Sprays vs. Trunk Injections

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

Since 2016, federal authorities have allowed Florida citrus growers to spray oxytetracycline solutions on their trees to combat citrus greening disease. A newly published University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) study suggests that the bactericide would be more effective if it were injected into citrus tree trunks, a practice not currently approved under U.S. law. Citrus …

The Real Cost of HLB in Florida

Tacy CalliesEconomics, Production, Research

By Ariel Singerman This article summarizes the major changes in the cost of production for processed oranges in Florida since the outbreak of huanglongbing (HLB). To deal with the disease, growers have significantly changed their cultural practices. Those changes have had a considerable impact on the cost of production per acre. NOMINAL COSTS VS. REAL COSTSHowever, given that inflation also …

fresh

FDOC Response to Cancer Study

Daniel CooperCitrus, Diseases, Industry News Release, Research

A new study suggesting a link between sugary drink consumption, including 100% fruit juice, and increased cancer risk was recently published in a medical journal. The study has spurred a series of news media stories. Researchers of the study, who are based in France, assessed the associations between the consumption of sugary drinks (sugar sweetened beverages and 100% fruit juices), …

china

Florida Department of Citrus to Study OJ Consumption

Daniel CooperCitrus, Industry News Release, Orange Juice, Research

Amid ongoing struggles in Florida’s citrus industry, the Florida Department of Citrus appears to be turning attention to studying orange juice consumption. The department said Tuesday it is looking for three separate studies that would assess various aspects of orange juice consumption, including how it can affect people’s moods when drinking it as a snack. According to a bid notice, …

The Facts on Preharvest Fruit Drop

Tacy CalliesProduction, Research

By Tripti Vashisth, Lisa Tang and Sukhdeep Singh In citrus, huanglongbing (HLB) causes an increase in the mature fruit drop rate up to three months prior to commercial harvest. This preharvest fruit drop results in a great reduction in yield and overall grove productivity. Since the plant growth regulators that improve fruit retention on healthy trees do not have consistent …

Research

Citrus Research at SWFREC

Ernie NeffHLB Management, Research

Southwest Florida Research and Education Center (SWFREC) Director Kelly Morgan provides an update on citrus research being conducted at the center. SWFREC is operated by the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS). Morgan says most of the research is “related to greening, but not all of it.” Greening is another term for huanglongbing (HLB), the citrus …

uf

UF/IFAS Helps Assess, Manage New Fruit Bug

Daniel CooperCitrus, Industry News Release, invasive, Pests, Research, Top

Researchers with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) are already trying to help growers figure out how to effectively manage the problems created by an invasive pest  – confirmed last week in Highlands County — that could further erode citrus production at a time when growers are just beginning to turn the corner on managing …

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 …

citrus greening

Studying Citrus Greening with an Integrated Approach

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

While citrus growers continue to look for best management approaches to deal with the deadly greening disease, scientists will take an integrated look at how to protect young trees by using existing tools growers can use. Five scientists from the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) will compare insect management tools, including insect-proof netting. Researchers also …

UF/IFAS

Jack Payne Announces Retirement

Daniel CooperAgriculture, Citrus, Citrus Greening, Research

After serving nearly 10 years as the senior vice president for agriculture and natural resources with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), Jack Payne announced he will retire next year. His last day with UF/IFAS will be July 1, 2020. Payne has overseen Extension offices across Florida and its 12 research and education centers since …