Jack Payne on New SWFREC Director

Abbey TaylorResearch

By Jack Payne, jackpayne@ufl.edu, @JackPayneIFAS Kelly Morgan is a more reliable water source than rain is. You don’t know when or if you’ll get water from the sky, but what Morgan can teach you makes every drop you have go farther. His focus on the farmer as customer is what has made him so successful as the state’s best management …

Field Testing of New HLB-Tolerant Scions and Rootstocks

Tacy CalliesResearch, Rootstocks, Scions

By Rhuanito S. Ferrarezi, Jude W. Grosser, Fred G. Gmitter, Ed Stover and Kim Bowman Citrus is Florida’s most important agricultural commodity. The state produces citrus for different markets: round oranges for juice; navels, mandarins, grapefruit and lemons for the fresh-fruit industry; and lemons for extracting peel oil for processing. Huanglongbing (HLB) disease affects all citrus varieties. Since the discovery …

Don’t Graze in the Weed Garden!

Ernie Neffweeds

A weed garden established this spring beside the Southwest Florida Research and Education Center in Immokalee is intended to help growers, Extension agents and others identify weeds in the grove. “The key ingredient in a weed management toolbox is to correctly identify the weed,” says Ramdas Kanissery, weed scientist at the center. “We’d like to invite groups to this garden. …

hurricane

Rucks Discusses Hurricane Damage and Delays

Ernie Neffhurricane

The damage that Hurricane Irma inflicted on citrus nurseries and citrus groves in September caused long delays in tree deliveries to growers, says Phil Rucks, owner of Phillip Rucks Citrus Nursery in Frostproof. Rucks says 59 of the state’s 77 citrus nurseries sustained some degree of damage in the hurricane. Much of the nursery damage wasn’t repaired for half-a-year as …

HLB

Grower Partnerships Are Key to UF/IFAS Plant-Breeding Success

Daniel CooperBreeding, Citrus, Industry News Release, Research

University of Florida (UF) citrus breeder Fred Gmitter recalls meeting Vero Beach grower Tom Hammond about 20 years ago, when Gmitter needed a place to grow hybrid citrus. Gmitter knew most growers wouldn’t experiment with “raw materials” – plant offspring used to identify that possible one in 5,000 winner. Growers rarely make a profit from such experiments. Hammond took a …

new york times

Calls Increase for Irma Aid to Flow to Farmers

Daniel CooperCitrus, hurricane, Industry News Release

Pressure is growing from Florida and other states as the U.S. Department of Agriculture (USDA) continues to determine how to move forward with a disaster-relief package President Donald Trump signed in early February. U.S. Sen. Marco Rubio, R-Fla., and U.S. Sen. Bill Nelson, D-Fla., joined colleagues from Texas, Louisiana and California this week in prodding U.S. Agriculture Secretary Sonny Perdue …

rubio

Rubio Offers Hope for Farmers Hit by Irma

Daniel Cooperhurricane, Industry News Release

Federal disaster relief for farmers impacted by Hurricane Irma may be available “as early as next week,” according to U.S. Sen. Marco Rubio. Monday’s update from Rubio’s office came after the Miami Republican spoke with U.S. Agriculture Secretary Sonny Perdue, who had a similar conversation with Gov. Rick Scott Friday. Florida citrus farmers have expressed increasing frustration as they await …

psyllid

Psyllid Protection by Photonic Fence Under Development

Ernie NeffHLB Management, Psyllids

By next year, a fence utilizing light sources is expected to be available to help protect some citrus structures and maybe even grove perimeters from the HLB-spreading psyllid. U.S. Department of Agriculture research entomologist Joe Patt explains the technology. “Photonic fence is a multi-modal system that uses several different types of light in order to detect, track, identify and, if …

citrus greening

UF/IFAS Researchers Awarded $10.5M to Work on HLB Resistance/Tolerance

Daniel CooperCitrus, Citrus Greening, Industry News Release, Research

With citrus greening devastating Florida’s $8.6 billion-a-year citrus industry, three University of Florida scientists will use $10.52 million in federal grants to study ways to help growers cope with the disease, including research on genetic editing that may produce potentially resistant fruit and trees. Since greening — or huanglongbing (HLB) — was first reported in Florida in 2005, Florida’s citrus …

FDACS Promotes the Abandoned Grove Initiative

Abbey TaylorPests

Research shows that abandoned citrus groves can harbor unwanted pests and citrus diseases. Therefore, the Florida Department of Agriculture and Consumer Services (FDACS) Bureau of Pest Eradication and Control is raising more awareness about its Abandoned Grove Initiative to help destroy those safe havens for deadly pests. Callie Walker, chief of the FDACS Bureau of Pest Eradication and Control, says …

Citrus Expo

New Happenings at CRDF

Tacy CalliesNews from our Sponsor

By Harold Browning Column sponsored by the Citrus Research and Development Foundation The August board meeting of the Citrus Research and Development Foundation (CRDF) provided several updates that should be shared with the industry and other readers. The CRDF/Bayer CropScience partnership announced on August 16 at Citrus Expo moves CRDF one step closer to having strong partners to develop and …

bactericides

Grower Jerkins Revises Stance on Bactericides

Ernie NeffBactericides, HLB Management

At Citrus Expo in August, Premier Citrus President Tom Jerkins clarified comments about bactericides and their effectiveness that he made at the June Florida Citrus Mutual conference in Bonita Springs. “In Bonita Springs, I kind of stated publicly it was difficult for Premier to see a difference in the treated (with bactericides) versus untreated,” Jerkins says. “I said it was …

Grower Response to Psyllid Insecticide Resistance

Ernie NeffPsyllids

Lee Jones was in the Citrus Expo seminar audience recently when a scientist reported there have been incidences of HLB-spreading psyllids being resistant to insecticides. Jones, general manager of Gardinier Florida Citrus, has one recommendation for dealing with the issue, at least partially. “I would really suggest that October to March window as an application window for the imidacloprids (a …

HLB Affects Grapefruit Sales

Abbey TaylorCitrus Greening, Grapefruit

By Jaci Schreckengost For grapefruit growers, huanglongbing (HLB) has been a huge issue, leading to many fears in the industry, including the fear of a shortage. Rob Atchley, general manager of citrus groves for Duda Farm Fresh Foods, says HLB makes crops vulnerable to new stresses the trees have not previously encountered. He says these stresses can turn into fruit …

fungus

Sources of HLB-Spreading Psyllids

Ernie NeffPsyllids

The origin of HLB-spreading Asian citrus psyllids found in citrus groves is regarded differently in Texas and California than it is in Florida. Michael Rogers, University of Florida Institute of Food and Agricultural Sciences entomologist and director of the Citrus Research and Education Center, explains. “Areas like Texas and California, their focus has been on combating psyllids in the urban …

Preparing for and Recovering from a Hurricane

Tacy CalliesCitrus, Weather

By Mongi Zekri, Bob Rouse and Jonathan Crane Hurricane preparation for citrus growers this year is the same drill as every year. Each year, growers look forward to the rainy season to help their young trees grow fast and their mature trees produce good crops. This year, growers will be praying for good distribution of rains following a year of …

Insight on Improved Management of HLB-Affected Trees

Josh McGillIrrigation, Nutrition

Recent studies shed light on foliar nutrient and irrigation practices. By Kelly T. Morgan and Said Hamido Most citrus growers are well aware that citrus greening (HLB) is one of the most devastating citrus diseases in many parts of the world. The disease is widespread in Florida, Texas, Brazil, Mexico and other major production areas, causing significant concerns about the …

Why Bicarbonates Matter for HLB Management

Josh McGillNutrition

By Jim Graham and Kelly Morgan Huanglongbing (HLB), greening and yellow shoot are names for the most devastating citrus disease in the world. Symptoms of HLB include a distinctive chlorotic mottle on fully expanded leaves. Infected shoots are stunted, and branches gradually die back as the symptoms appear in other sectors of the tree canopy. HLB reduces fruit size, weight …

Buddha’s Hand Citron Could Play Role in Canker Resistance Breeding

Kelsey FryCitrus, Diseases

By Naveen Kumar, R.C. Ebel and P.D. Roberts Citrus canker became endemic in Florida after several introductions and eradication programs dating back to 1915. The citrus industry struggles for an effective, permanent program. Canker is an expensive disease due to the need to increase the number of sprays and products applied. Canker also causes enormous economic losses due to fruit …