psyllids

Citrus Scientist Succeeds at Working From Home

Tacy CalliesIndustry News Release, Research

University of Florida scientist Christopher Vincent is used to working with the unknown to learn new grove management practices. As a University of Florida Institute of Food and Agricultural Sciences plant physiologist, Vincent works to discover how citrus trees can thrive under stressful conditions. Now, during the coronavirus stay-at-home recommendations, he’s applying those skills in a whole new experience — …

HLB Research Uses Psyllid Neuropeptides

Ernie NeffHLB Management, Research

Researchers with several organizations are in the early stages of investigating the use of neuropeptides found in Asian citrus psyllids as the source for biocontrols for HLB disease. The researchers are with the Boyce Thompson Institute (BTI) at Cornell University, the U.S. Department of Agriculture Agricultural Research Service (USDA-ARS) and the University of Washington. The research team is led by …

New Citrus Greening Treatment Shows Promise

Tacy CalliesCitrus Greening, Industry News Release, Research

University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers have discovered another possible solution to the plague of citrus greening that is impacting Florida’s citrus groves. This new information adds to the growing portfolio of knowledge that UF/IFAS scientists are amassing to fight the disease. Led by UF/IFAS microbiology and cell science professor Claudio Gonzalez, a team of plant …

Payne on Past, Present and Future of Florida Citrus

Ernie NeffResearch

Jack Payne, head of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), looks at the past, present and future of Florida citrus. He has been in the role of senior vice president for agriculture and natural resources since 2010 and is slated to retire on July 1. “Of course, citrus is the iconic industry in Florida,” which …

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 …

researchers

Even in Times of Crisis, Citrus Research Continues

Daniel CooperCitrus Greening, Industry News Release, Research

(UF/IFAS) —The coronavirus has upended daily routines, events and schedules. From work to schools to shopping, every aspect of life changed overnight and continues to change with each passing day. Even with a global pandemic, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus researchers plow forward in their quest to find answers to fighting the devastating disease …

scientists

Viruses Might Help Control Asian Citrus Psyllids

Daniel CooperCitrus Greening, Industry News Release, Psyllids, Research

(UF/IFAS) — University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers are working toward establishing a new biological method that may help growers control the insect that transmits the deadly greening disease into citrus trees. Greening is present in about 95 percent of the citrus trees in Florida, so by using a virus that may kill the insect, …

Nutrition: No One Size Fits All

Tacy CalliesNutrition, Research

By Tripti Vashisth Constant supply and soil application of macronutrients and micronutrients can improve the health and productivity of HLB-affected citrus. A 20 to 50 percent higher than University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) recommended rate of micronutrients is beneficial for HLB-affected trees. However, the nutrition program should be customized for each grove, as no one …

extension

New UF/IFAS Citrus Extension Agent

Daniel CooperCitrus, Industry News Release, Research

(UF/IFAS) — When you meet Ajia Paolillo, you might think that everything old is new again. That’s because Paolillo, the new University of Florida Institute of Food and Agricultural Sciences Extension (UF/IFAS) citrus agent for DeSoto, Hardee and Manatee counties, leans heavily on the experience of faculty colleagues from previous experiences.  “I learned so much working with Stephen Futch, Bill …

Eco-Mowing Is Part of Cover Crop Research

Ernie NeffCover Crops, Research

Cover crop research in Southwest Florida will include looking into the effectiveness of eco-mowing, or moving mowed clippings under the tree canopy rather than leaving clippings in row middles. University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) soil microbiologist Sarah Strauss discusses numerous aspects of cover crop and compost research being conducted by her and other UF/IFAS scientists. …

Citrus Greening Bacterium Is Now Available in Culture — So What’s Next?

Tacy CalliesCitrus Greening, Research

By Nabil Killiny A dynamic research collaboration between several labs at Washington State University (Gang, Beyenal and Omsland labs), University of Arizona (Brown lab) and University of Florida (Killiny lab) recently reported an important step in the long-sought culture of the bacterium [Candidatus Liberibacter asiaticus (CLas)] associated with huanglongbing (HLB). The work, published in the journal Biofilm, describes a new …

researchers

Supporting Citrus Researchers for 37 Years

Ernie NeffResearch

Barbara Thompson worked approximately 37 years helping Citrus Research and Education Center (CREC) scientists publish manuscripts that aided growers and others in Florida’s citrus industry. For the last several years, she also took over the CREC reception area. She greeted visitors, answered phones and helped growers locate the proper researcher or other agency that could answer their questions. She retired …

Viruses in the Gut of Asian Citrus Psyllid: Friends or Foes?

Tacy CalliesPsyllids, Research

By Ozgur Batuman and Amit Levy Management options for huanglongbing (HLB) are limited and rely heavily on insecticides for controlling Asian citrus psyllid (ACP) populations, even when integrated with other cultural control methods. Chemical strategies are expensive and, if not rotated, can contribute to the development of chemical resistance among ACP populations. In some cases, long-term chemical applications may have …

hlb

California and Florida Collaborate on HLB Research

Len WilcoxCalifornia Corner, HLB Management, Research

University of California, Riverside (UCR) professor Georgios Vidalakis recently provided an update on the state of California citrus for researchers in Florida. Vidalakis is a noted professor and Extension specialist in UCR’s Microbiology and Plant Pathology Department. Among other honors, he was recently named Presidential Researcher for Sustainable Citrus Clonal Protection. Vidalakis pointed out that California has benefited greatly from …

acp

Psyllid Management: Organic and Conventional Systems

Tacy CalliesPests, 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 CooperIndustry 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 NeffIndian 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 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 …