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Below you'll see everything we could locate for your search of “black spot”
Since many of the regions where citrus trees grow have warm, humid climates, bacterial and fungal diseases can easily run rampant. Preventative methods are the best way to control diseases in citrus, because if problems occur once new leaves, shoots and fruit are developing, it is likely too late to stop the disease during that growing season. Growers can use …
National recognition, new findings on black spot control, and research on antimicrobial peptides highlight the September episode of the All In For Citrus podcast. Citrus Research and Education Center Director Michael Rogers starts the episode with the announcement that the University of Florida was ranked in the top 10 of U.S. News and World Report’s Top Public Schools list. Rogers …
Meet the four students who received the FMC Citrus Ag Production Scholarships. By Tacy Callies The FMC Citrus Ag Production Scholarships (CAPS) program, a partnership between AgNet Media and FMC, was created to support Florida citrus production and encourage interested youth to pursue careers in citrus. Two University of Florida students and two Florida Southern College students each were awarded …
The U.S. Department of Agriculture Animal and Plant Health Inspection Service (APHIS) recently released an annual report titled “Plant Protection and Quarantine: Helping U.S. Agriculture Thrive — Across the Country and Around the World.” The document includes updates on efforts to manage citrus diseases. “PPQ (Plant Protection and Quarantine) stands shoulder-to-shoulder with citrus growers to combat citrus canker, huanglongbing (HLB …
Several growers recently asked the Highlands County Citrus Growers Association (HCCGA) if they need to sign a Grower/Caretaker Compliance Agreement (CA) they received from the Florida Department of Agriculture and Consumer Services (FDACS). HCCGA Executive Director Ray Royce’s answer is essentially yes. He says state law requires all citrus growers and caretakers of 40 or more trees to sign a …
Whether in the field or from home, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus staffers are working for growers throughout the COVID-19 pandemic. Michael Rogers, director of the UF/IFAS Citrus Research and Education Center at Lake Alfred, tells how. “We still are doing business right now,” Rogers says. “IFAS continues to provide support in any way …
By Ozgur Batuman and Megan Dewdney Citrus nurseries work very hard and put forth considerable effort to reduce pest and disease problems. However, there continues to be problems with certain diseases, because the nursery environment for growing citrus trees is ideal for many pests and diseases. Basic principles of good nursery sanitation practices together with screening and removing suspected or …
By Megan Dewdney and Evan Johnson In 2019, the trend of fewer problems with foliar fungal diseases for Florida citrus continued, which was good news for the industry. Despite the El Niño conditions during the spring, little postbloom fruit drop (PFD) was observed because the temperatures were low (< 75 F) when it rained during bloom. The southern parts of …
The February issue of Citrus Industry magazine lets growers know what diseases to be on the lookout for this season and how best to spot them in the grove. University of Florida (UF) researchers Megan Dewdney and Evan Johnson give citrus growers tips on planning for disease management in 2020 in their article. Citrus canker, greasy spot, melanose, black spot …
By Stephen H. Futch and Rhuanito S. Ferrarezi Many changes have taken place in the Brazilian citrus industry over the past 20 years as growers battle pests, diseases and market challenges. Throughout this process, the industry has encountered difficulties but has continued to maintain production through innovative practices that are founded in science, economics and sustainability. This article provides an …
University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) entomologist Lauren Diepenbrock provides an update on the long-horned beetle, the newest Florida citrus pest. The beetle was discovered in a Hendry County grove in September. Diepenbrock reports that a grove crew worker “hit a branch and the branch fell right off.” After finding a hole in the branch, the …
A new pest of Florida citrus has been found in the southwest region of the state. University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) entomologist Lauren Diepenbrock told growers in Sebring on Sept. 25 about recent finds of a cerambycid, or long-horned beetle, in Hendry County groves. Diepenbrock, who works at the Citrus Research and Education Center in …
In a recent letter to the U.S. Department of Agriculture (USDA), California Citrus Mutual (CCM) expressed concern over China’s 2017 request to export citrus to the United States. The request is undergoing evaluation by the USDA’s Animal and Plant Health Inspection Service (APHIS). In 2014, APHIS proposed to allow China to export citrus fruits to the United States if all …
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 …
By Megan Dewdney The Florida citrus-growing seasons of 2017 and 2018 were quiet in terms of fungal foliar disease outbreaks. Small pockets of severe disease occurred sporadically, but there were no widespread reports of diseases like postbloom fruit drop, much to the relief of the industry. Greasy spot has flared up in a few locations on cultivars like Valencia, and …
Disease defense is on the agenda for the February 2019 issue of Citrus Industry. University of Florida plant pathologist Megan Dewdney gives growers a fungal foliar disease forecast for this year. She warns that the risk of postbloom fruit drop is greater in 2019 than it was in 2017 and 2018. Other diseases she says growers should to be on …
Florida citrus growers will learn about the latest research from the University of Florida Institute of Food and Agricultural Sciences and test new technology at a workshop in Sebring, Sept. 25-26. UF/IFAS Extension Highlands County is working with statewide UF/IFAS Citrus Extension faculty to bring the latest in scientific studies and a hands-on learning experience to growers. Faculty will cover …
From nutritional supplements to managing irrigation to grower outreach and education, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers are finding additional ways to support Florida citrus growers in their fight against citrus greening disease. Twelve projects were funded by the state legislature-funded Citrus Initiative program in 2017-2018 that looked at possible short- and long-term solutions that …
Column sponsored by the Citrus Research and Development Foundation (CRDF) On April 24, the CRDF board of directors approved research priorities for two separate research funding programs. One is for projects that will lead directly to the development of commercial products, tools or recommendations (Commercial Product Development Committee, CPDC-18). The other is for projects with broader, fundamental researchable questions (Research …
The Florida State Horticultural Society (FSHS) announces that it will hold its 131st annual meeting on June 10 through June 12, 2018, at the Renaissance Fort Lauderdale Cruise Port Hotel located at 1617 SE 17th Street in Fort Lauderdale, Florida. With over 100 technical presentations and special sessions with invited speakers, there will also be a welcome reception, Extension luncheon, …
