acp

Psyllid Management: Organic and Conventional Systems

Tacy Callies Pests, Psyllids, Research

By Jawwad Qureshi Management of the Asian citrus psyllid (ACP) is needed in multiple environments, such as organic and conventional production systems and urban areas. However, the tools and approach may be different depending on the circumstances. Chemical control is the primary method used in commercial production to reduce psyllid populations, but the increased use of insecticides negatively affects the …

florida

Citrus Soil Health an Important Part of Overall Tree Health

Daniel Cooper Industry News Release, Research, soil

The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) will host a field day focused on improving citrus soil health, a topic of growing interest to researchers and growers. With the challenges of citrus greening, there is an increased need for understanding overall tree health, including the soil, Juanita Popenoe, UF/IFAS Extension multi-county agent, said. The field day …

Improving Indian River Citrus Production

Ernie Neff Indian River, Research

At Citrus Expo in August, Rhuanito “Johnny” Ferrarezi reported on research into planting densities, irrigation and fertilization that might allow growers to better produce oranges in the Indian River area. He is a researcher with the University of Florida Institute of Food and Agricultural Sciences at the Indian River Research and Education Center in Fort Pierce. The Indian River region …

citrus

Steam Technique Can Spell Doom for Citrus Weeds

Daniel Cooper Industry 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 Neff Research

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 Callies HLB 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 Wilcox California 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 Callies Research

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 Neff Citrus, 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 Callies HLB 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 Callies Production, 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 Cooper Industry 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 Cooper Citrus 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 Callies Economics, 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 …

orange juice

FDOC Response to Cancer Study

Daniel Cooper Citrus, 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 Cooper Citrus, 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 Callies Production, 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 Neff HLB 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 Cooper Citrus, 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 …