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Below you'll see everything we could locate for your search of “psyllid”
By Jude Grosser, Fred Gmitter, Yu Wang and Bill Castle It’s no secret that huanglongbing (HLB) has challenged the industry to maintain the outstanding quality associated with Florida orange juice. Moreover, increased prices and competition from new juice products and blends have reduced Florida orange juice consumption. We believe that improving the quality, especially flavor and color, of juice products …
By Amit Levy and Ozgur Batuman Citrus tristeza virus (CTV) is an important citrus pathogen that, in the past, had a dramatic effect on the citrus industry and caused the loss of almost 100 million trees worldwide. These trees were propagated on sour orange rootstock. The disease created a need for tristeza-tolerant rootstocks to sustain the citrus industry, because only …
Central Florida citrus grower Jerry Mixon of KLM Farms recently expressed optimism that is tempered by current orange prices. “I am optimistic, and it seems like the industry does have that same feeling,” Mixon says. “Yields are up. I have heard a little bit that (pound) solids are up a little bit, particularly Valencia crops … Trees look better.” Mixon …
Scientists from numerous countries attending the International Citrus Research Conference on HLB in March reported on studies of horticultural practices that might help growers cope with the disease. Tripti Vashisth, a horticulturist with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), summarized their observations at the recent Florida Citrus Growers’ Institute. She shares those observations in the …
Scientists from numerous countries attending the International Citrus Research Conference on HLB in March reported on pathology research that might help growers cope with the disease. Megan Dewdney, plant pathologist with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), summarized their reports at the recent Florida Citrus Growers’ Institute. Dewdney shares the research findings in the current …
The California Department of Food and Agriculture (CDFA) released the 2018 annual report from the Citrus Pest & Disease Prevention Program (CPDPP). According to the report, California citrus is a $3.3 billion industry, providing 21,600 jobs and covering 268,500 acres. HLB (huanglongbing, also known as citrus greening disease) is the leading threat in citrus today. In 2018, HLB was found …
The May issue of Citrus Industry magazine offers something for everyone. The diverse range of article topics in this issue is sure to be of interest to readers. First, growers will want to read the latest research on citrus tristeza virus (CTV). Although this is an old problem in Florida, it’s still a threat today — especially if you are …
Growers of one of Florida’s signature citrus crops may see more production and possibly less of the deadly citrus greening disease. Researchers have worked for four years growing grapefruit under protective screens on a 1-acre experimental plot at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), and they’re seeing encouraging results. UF/IFAS scientists and a few commercial …
Numerous Florida citrus growers have recently put mesh bags over individual young citrus trees to exclude HLB-spreading Asian citrus psyllids. A topic title at the 2019 Florida Citrus Growers’ Institute asked whether the practice is profitable. The presentation was made by University of Florida Institute of Food and Agricultural Sciences economist Ariel Singerman. “The answer to the question of whether …
Researcher Rhuanito “Johnny” Ferrarezi recently discussed experiments on citrus varieties and citrus under protective screen (CUPS) in the Indian River area. Ferrarezi is a University of Florida Institute of Food and Agricultural Sciences assistant professor of citrus horticulture at the Indian River Research and Education Center (IRREC). One large trial Ferrarezi discussed will be of grapefruit, navel and mandarins on …
By Juanita Popenoe and Lauren Diepenbrock Ed James has citrus in his veins. He has been working and thriving in the citrus business since he was a teenager — from hoeing orange trees to owning a caretaking business that serviced thousands of acres. That is, until about eight years ago. In 2010, James looked around his personal 45-acre citrus grove …
In a recent interview, Michael Rogers provided an in-depth preview of presentations scheduled for the April 2 Florida Citrus Growers’ Institute in Avon Park. Rogers is director of the University of Florida Institute of Food and Agricultural Sciences’ (UF/IFAS) Citrus Research and Education Center in Lake Alfred. Rogers said multi-county citrus Extension agents have been putting the Institute program together …
The University of California, Riverside (UCR) has received a $3.5 million donation from Givaudan to support UCR’s Citrus Variety Collection. The gift will help build a screened structure to protect the collection from the impending threat of citrus greening disease, also known as huanglongbing (HLB). The 2.8-acre protective screened structure will house new trees and back-up collections of the UCR …
The California Department of Food and Agriculture (CDFA), working in cooperation with the Sacramento County agricultural commissioner, has placed Sacramento County under a plant pest quarantine for the Asian citrus psyllid (ACP) following the detection of one ACP in Sacramento’s Lemon Hill area. The quarantine prohibits the movement of citrus and curry leaf tree nursery stock and all plant parts, …
Several research projects continue at University of California Riverside to evaluate strategies for better detection of Asian citrus psyllid (ACP). Monique Rivera, assistant cooperative Extension specialist, is looking into something referred to as the ‘edge effect’ and how it pertains to ACP control. “The ‘edge effect’ is basically an ecological term that we’re using in the context of Asian citrus …
The University of Florida Institute of Food and Agricultural Sciences’ (UF/IFAS) researcher known for his work on the timing of bloom sees the potential for good bloom this season. “Flowering for Florida’s next citrus crop has been coming along fairly well,” UF/IFAS Emeritus Professor Gene Albrigo said in a Feb. 13 interview. He expects the first wave of spring flowers …
Editor’s Note (Feb. 20, 2019): The name of the program has been changed from the Grower Replanting Initiative Program to the Citrus Research and Field Trial Program. According to Florida Citrus Mutual CEO Mike Sparks, the U.S. Department of Agriculture (USDA) has given “concept approval” for massive Florida grower field trials to determine what existing research might work in the …
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 …
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 …
“Unfortunately, there is no silver bullet” for HLB, plant pathologist Ozgur Batuman told growers in Immokalee recently, adding that he doesn’t think there will be one. “The best option for such a complex and challenging disease is … integrated pest management (IPM). And our growers here in Florida are actually doing just that. Now they are paying attention to root …
