citrus

The Economics of Mesh Bags

Ernie NeffEconomics, HLB Management

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 …

PIECES OF THE PAST: Noteworthy 1921 Tangelo Tree

Tacy CalliesPieces of the Past

I came across an article in the March 1921 issue of Citrus Industry that was titled “Tangelo Tree Attracts Attention” by W.B. Powell of Lakeconics. Two things caught my eye: 1) “Lakeconics” — where or what the heck was that!? and 2) the singular use of “Tree.” What was so special about this one tree? So, of course, I had …

Critical Leaf Nutrient Thresholds to Diagnose Deficiencies in HLB Trees

Tacy CalliesHLB Management, Nutrition

By Arnold Schumann, Laura Waldo, Tripti Vashisth, Alan Wright and Kelly Morgan Huanglongbing (HLB) disease severely impacts the nutrient status of citrus trees, particularly by stunting the feeder roots and causing measurable deficiencies of nutrients in the roots and canopies. Visible symptoms of nutrient deficiencies on citrus foliage are characteristic but not diagnostic of HLB disease. Recent HLB research efforts …

labor

Grower/Hedger Has Labor Concerns

Ernie NeffLabor

Discussions about citrus labor frequently focus on concerns about a shortage of harvesters and problems with the federal program that allows temporary foreign workers into Florida. But grower and hedger Frank Youngman recently voiced concern about a shortage of more skilled grove workers. Youngman said with tractors becoming “more technologically enhanced with GPS systems and so forth, we don’t have …

CUPS

Grower Considers New Variety

Ernie NeffCitrus

About 20 people attended an informational program on April 9 at the Citrus Research and Education Center in Lake Alfred, Florida. The meeting addressed the newest Fast Track program variety, Marathon, being released. Marathon is an early-season seedless mandarin. Jerry Mixon of KLM Farms, who is growing other selections released by the Fast Track program, expressed interest in the Marathon …

Capitol building

California Legislative Staff Updated on HLB Control Efforts

Len WilcoxCalifornia Corner, Legislative

Recently, California Citrus Mutual (CCM) hosted a lunchtime briefing at the Capitol. The purpose was to update legislative staff on the status of HLB in California and the industry’s continued efforts to prevent the disease from spreading into commercial groves. The briefing included a panel discussion with CCM Director of Government Affairs Alyssa Houtby, California Citrus Pest and Disease Prevention …

citrus research

CRDF Grower Research Report Available

Daniel CooperCitrus, Industry News Release

The monthly Grower Research Report for March 2019 from the Citrus Research and Development Foundation (CRDF) just came out. Find a printable PDF of the report here. Source: Citrus Research and Development Foundation Sponsored Content5 Facts About Fire Ants and How to Control ThemApril 30, 2024BRAZILIAN RESEARCH RESULTS IN A UNIQUE PRODUCT FOR HLB MANAGEMENTApril 1, 2024Protect Your Groves From …

psyllids

Using Organic Insecticides for Psyllid Control

Ernie NeffOrganic, Pests

Organic insecticides rotated with either spray oil or insecticidal soap provided good Asian citrus psyllid (ACP) suppression in long-term studies in Florida, entomologist Jawwad Qureshi reported recently. Qureshi is a University of Florida Institute of Food and Agricultural Sciences researcher at the Southwest Florida Research and Education Center in Immokalee. Suppression of ACP is important because the pest spreads citrus …

new york times

What Makes Good Orange Juice?

Ernie NeffCitrus

Yu Wang says a key element of her job is finding “how to improve the citrus flavor and how to understand consumer likings” of Florida orange juice. Wang is a University of Florida Institute of Food and Agricultural Sciences researcher at the Citrus Research and Education Center in Lake Alfred. “Some of our consumers, they really like that orange flavor; …

aphis

Hurricane Irma Raises Black Spot Threat

Ernie Neffblack spot, Diseases

University of Florida Institute of Food and Agricultural Sciences Extension pathologist and associate professor Megan Dewdney reported that U.S. Department of Agriculture (USDA) scientist Tim Gottwald thinks there’s a “fairly high” chance that Hurricane Irma spread citrus black spot. Black spot had been confined primarily to Southwest Florida, especially Collier and Hendry counties, before Irma hit the state with damaging …

scott

Florida Senators Fight for Disaster Dollars

Abbey TaylorCitrus, hurricane, Legislative

Hurricane Irma devastated the Florida Citrus Belt in 2017. Federal disaster relief funding was approved in early 2018, but many Florida citrus growers have yet to receive those funds. Several industry leaders and groups have been advocating for growers in Tallahassee and Washington, D.C. Now, Florida senators are joining the fight. Senator Ben Albritton, chairman of the Florida Senate Agriculture …

Psyllids

Control Weeds with Chemicals and Steam

Ernie Neffweeds

At the Florida Citrus Growers’ Institute on April 2, weed scientist Ramdas Kanissery explained how growers can control weeds with a combination of early management, herbicides and steam. His talk was one of several presentations University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers made to an audience of more than 200 citrus growers in Avon Park.   Kanissery, …

Ambrosia Beetle Update

Tacy CalliesPests

By Lauren Diepenbrock In October 2018, a potential “new pest” was found in large numbers in one grove in Hernando County, Florida. The damage to trees was dramatic, with dark staining throughout the trunk of the tree and beetle damage evident. It was something that would put any grower, Extension agent or researcher on alert. Fortunately, by working with Jiri …

grapefruit

Grapefruit: A Breeder’s Thoughts

Ernie NeffBreeding, Grapefruit

Grapefruit’s struggle with survival and potential future were addressed by University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) breeder and geneticist Fred Gmitter earlier this year. He told Florida Citrus Show attendees that the fruit has hit the bottom with HLB. “I was talking with one of the old-time families in the grapefruit business, one of the biggest …

Important Insurance Deadlines Are Approaching

Tacy Calliescrop insurance

The U.S. Department of Agriculture (USDA) Farm Service Agency (FSA) reminds Florida citrus growers of upcoming insurance deadlines as they relate to the Wildfires and Hurricanes Indemnity Program (WHIP) and the Block Grant. WHIP Requirement for Nursery CropsThe application sales closing date for crop insurance for 2020 Nursery Crops is May 1, 2019. Nursery growers who received WHIP benefits must …

Hurricane Irma: Relief Update and Frustration

Ernie Neffhurricane

Representatives of the Florida Division of Emergency Management (DEM) updated the Florida Citrus Commission Wednesday on Hurricane Irma reimbursements from the Citrus Recovery Block Grant. They heard from some commissioners concerned that growers have been waiting a long time for relief funds for the storm that hit Florida hard in September 2017. Commission Chairman Ellis Hunt told the representatives there …

CRDF President on Field Trials and Communication

Ernie NeffCRDF

Citrus Research and Development Foundation (CRDF) President Larry Black discusses the organization’s potential role in large-scale field trials to demonstrate how citrus can be grown in the face of HLB. He also talks about a communication study showing how growers like to receive information about CRDF. The Citrus Research and Field Trial (CRAFT) program would be funded for approximately $8 …

nutrition

Value of HLB Research Conference

Ernie NeffCRDF, HLB Management

Rick Dantzler, chief operating officer of the Citrus Research and Development Foundation in Florida, discusses the importance of the recent International Research Conference on HLB, held in California. “I think there’s real merit in the industry, nationally and internationally, getting together occasionally to talk about what’s going on in their home states and their home countries,” Dantzler says. He notes …

Sting Nematodes: A Growing Problem for Young Trees

Tacy CalliesPests

By Larry Duncan Successive hard freezes in Florida in the late 1980s resulted in widespread replanting of citrus groves. Within a few years, many groves on the Central Ridge had discrete patches of poorly growing, chlorotic young trees amid patches of vigorously growing trees. Stubby root symptoms on the declining trees suggested damage by sting nematodes (Belonolaimus longicaudatus). This nematode …

acp

ACP Found in Sacramento

Len WilcoxCalifornia Corner, Citrus Greening, HLB Management

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, …