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 …
Grapefruit, Tangerines and Tangelos See Small Changes in Crop Forecast
The U.S. Department of Agriculture released the January and February citrus crop forecasts on Feb. 8. January’s forecast had been delayed due to the government shutdown. JANUARYJanuary’s forecast showed a decrease in Florida grapefruit, tangelo and tangerine production compared to December. Grapefruit fell from 6.4 million boxes to 6.2 million boxes. Tangerines and tangelos dropped from 1.2 million boxes to …
New Mandarin Gives Growers Advantages
Commercial citrus growers will soon see a new seedless mandarin variety that stays on the tree longer, two traits farmers seek, say University of Florida scientists. Marathon, an early season mandarin, is also easy to peel and tastes good, said Fred Gmitter, a professor of breeding and genetics at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS). …
HLB Here to Stay
Among other topics she discussed in her part of the latest All In For Citrus podcast, Laurie Hurner emphasized that HLB is here to stay. Hurner is the Highlands County Extension director and a citrus Extension agent. “At some point we do have to make the decision in the field, at the grower production level and at the higher levels …
Growing 325 Boxes of Citrus per Acre
Grower Roy Petteway told fellow growers attending a recent grower roundtable meeting in Arcadia that his 400 acres of citrus groves in three counties are averaging production of 325 boxes per acre. That’s approximately double the production level of the average Florida citrus acre hammered by HLB, though far below pre-HLB production levels. Petteway grows fruit for processing in DeSoto, …
Citrus Industry Magazine CEU 2019 Article #1
What is a pesticide, really? By Laurie A. Hurner Editor’s note: This article grants one continuing education unit (CEU) in the Core category toward the renewal of a Florida Department of Agriculture and Consumer Services restricted-use pesticide license when the accompanying test is submitted and approved. There is a lot of confusion about the term “pesticide” when you talk to …
Hurricane Relief Update from Sparks
Florida citrus growers have long expressed frustration with the delay in getting government aid for damages they suffered from Hurricane Irma in the fall of 2017. “We are at Florida Citrus Mutual certainly as frustrated as the Florida citrus growers,” Mutual CEO Mike Sparks said this week. “And, yes, we hear often from individuals” who are frustrated by the time …
Indian River’s Grapefruit Plight
Florida grapefruit trees have taken a much harder hit from HLB, also known as greening disease, in recent years than orange trees have. Grapefruit production has plummeted drastically, and growers are desperately seeking ways to keep trees alive and productive. The fruit’s troubles have hit especially hard in the Indian River area, known worldwide for its grapefruit. Indian River Citrus …
Rogers on HLB Research and Education
Michael Rogers, director of the Citrus Research and Education Center, discusses HLB research and education programs being conducted by the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS). “The goal of our IFAS citrus program continues to be to provide growers with the most up-to-date information that they can use to help maintain or increase the production of …
Study Zeroes in on Organic Ways to Beat Citrus Greening
Results show promise for organic groves, but more research is needed. Since it was first discovered in the United States in 2005, the bacterial disease known as citrus greening, or Huanglongbing, has devastated millions of acres of citrus crops throughout this country and abroad, ravaging citrus groves in Asia, Africa and South America. Citrus greening has impacted conventional and organic …
IPM as an Economic Strategy
Many citrus growers think integrated pest management (IPM) is all about reducing pesticide use. Not so, University of Florida Institute of Food and Agricultural Sciences entomologist Lukasz Stelinski told growers recently. “IPM is a system to achieve sustainable agriculture, and it’s very much based in economics, where a damage threshold or economic injury level is identified,” Stelinski said. Once a …
Rubio Calls on DeSantis to Disburse Citrus Aid
U.S. Sen. Marco Rubio implored Florida’s new governor Tuesday to start spreading disaster-relief money approved nearly a year ago to address massive citrus-industry damage from Hurricane Irma in 2017. Rubio said in a letter to Gov. Ron DeSantis that money in a $343 million block grant needs to be disbursed to citrus growers. Rubio said the federal government shutdown has …
Recent Pest Concerns in Florida Citrus
By Lauren Diepenbrock While Asian citrus psyllids (ACP) are an ongoing concern in Florida citrus due to their role in spreading the bacterium associated with citrus greening, they are not the only pest of concern to growers. Citrus leafminer (CLM) and root weevils are two pests that have been raising concerns and adding to the challenge of managing productive citrus …
HLB Reduction Strategies
By Jawwad Qureshi, Lukasz Stelinski and Fernando Alferez Management of huanglongbing (HLB) has focused on reducing the vector Asian citrus psyllid (ACP) and improving tree health, thus requiring a multi-pronged approach. Several elements of an HLB management system are either available or under current investigation. Maintenance of clean nursery stock, vector management and tree nutrition are widely implemented, while incorporation …
Grower Pete Spyke Discusses New Varieties
Grower and gift fruit shipper Pete Spyke was among more than 100 people who sampled approximately 50 new University of Florida varieties at the Citrus Research and Education Center on Dec. 4. “There’s some good-tasting, easy-peel, seedless (mandarin) varieties that I think will be working their way through the gauntlet,” said Spyke. He added that several will probably be released …
2016-17 Florida Citrus Season: Smaller Harvest, Higher Prices
A new report from economists with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Economic Impact Analysis Program (EIAP) showed higher prices offset production declines during Florida’s 2016-17 citrus growing season, and the industry’s overall economic contributions changed little from 2015-16. Titled, “Economic Contributions of the Florida Citrus Industry in 2016-17,” the report was formally presented to …
Ag Engineer Joins UF Scientists to Restore Grapefruit Industry
An agricultural engineer whose current research projects include the simulation of agricultural management impacts on water quantity and quality in the upper Floridan aquifer has joined the University of Florida’s Indian River Research and Education Center (IRREC). Sandra Guzmán will lead the center’s irrigation and hydrology program. Guzmán started her position as an assistant professor of agricultural and biological engineering …
California Citrus Conference Calls Attention to Key Industry Issues
By Len Wilcox The Citrus Research Board’s (CRB) annual California Citrus Conference took place in October in Visalia. This year’s event included a celebration of the organization’s 50th anniversary. The CRB is an important resource to California’s citrus industry. It awards more than $7 million each year to researchers throughout the state. Since 2008, CRB has focused much of its …
International Citrus Breeders Draw Attention
Approximately 70 growers, researchers and others listened to citrus breeders from other countries discuss their programs and objectives in Lake Alfred, Florida, earlier this month. The University of Florida Institute of Food and Agricultural Sciences Citrus Research and Education Center (CREC) hosted the event. Michael Rogers, CREC director, provided an overview of the gathering. “This international citrus breeders symposium is …
December Citrus Crop Forecast Unchanged
The U.S. Department of Agriculture’s 2018-2019 Florida all-orange forecast for December is 77 million boxes, unchanged from the November forecast. If realized, this forecast will be 71 percent more than last season’s final production. The forecast consists of 32 million boxes of the non-Valencia oranges (early, midseason and Navel varieties) and 45 million boxes of Valencia oranges. Current fruit size …



























