Keeping Fresh Citrus Safe

Ernie Neff Food Safety

Michelle Danyluk describes training that was provided Feb. 11 to help fresh citrus growers comply with the federal Produce Safety Rule. Danyluk is a University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) professor and Extension specialist at the Citrus Research and Education Center (CREC). She and several other UF/IFAS faculty conducted the training at the CREC. The Produce …

CUPS: Managing Small Fruit Size

Ernie Neff CUPS

Fresh fruit has generally grown well in a citrus under protective screen (CUPS) facility at the Citrus Research and Education Center, but there has been an issue with small fruit size. Laura Waldo, a senior biological scientist who works with lead CUPS researcher Arnold Schumann, discusses the problem and likely solutions.  Waldo says causes of the smaller fruit size have …

A Closer Look at CUPS-Grown Grapefruit

Tacy Callies CUPS, Grapefruit

By Arnold Schumann, Ariel Singerman and Yu Wang Grapefruit production in Florida has been drastically reduced by huanglongbing (HLB) disease, from 40.9 million boxes in 2003–04 to 4.5 million boxes in 2018–19, according to the U.S. Department of Agriculture. Grapefruit varieties are particularly vulnerable to HLB due to cumulative losses from stunted tree growth, low fruit yield, high-percentage fruit drop, …

mandarin

Evaluating Fresh Mandarins and Oranges

Ernie Neff Fresh

Mark Ritenour with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) reports on evaluations of new fresh mandarin and sweet orange selections. Ritenour is a professor at the Indian River Research and Education Center in Fort Pierce. Ritenour lists four mandarin varieties that had “100 percent healthy fruit” after six or seven weeks in storage, even without being …

Food Safety Compliance for Fresh Citrus

Ernie Neff Food Safety

Information about complying with the federal Food Safety Modernization Act’s Produce Safety Rule was presented at the recent annual Citrus Packinghouse Day. Scott McClure, environmental manager for the Florida Department of Agriculture and Consumer Services Division of Fruit & Vegetables (FDACS/DFV), was one of the presenters. He summarizes his talk. McClure says the rule applies to “anyone that handles, grows, …

citrus forecast

Trade Issues Update for Fresh Citrus

Ernie Neff Trade

Dan Richey, president of Riverfront Packing Company, gave an update on trade issues impacting fresh Florida citrus at the Aug. 19 Citrus Packinghouse Day in Lake Alfred. Foreign sales are extremely important for fresh Florida citrus, says Richey, a member for five years of the Agricultural Trade Advisory Committee, appointed jointly by the U.S. secretary of agriculture and the U.S. …

uf

UF/IFAS Helps Assess, Manage New Fruit Bug

Daniel Cooper Citrus, Industry News Release, invasive, Pests, Research, Top

Researchers with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) are already trying to help growers figure out how to effectively manage the problems created by an invasive pest  – confirmed last week in Highlands County — that could further erode citrus production at a time when growers are just beginning to turn the corner on managing …

Fruit Markets: Then and Now

Tacy Callies Global Perspectives

By Marcos Fava Neves In the last three decades, world fruit production went from 338 to 865 million tons. CHANGES IN THE CITRUS SECTORCitrus represents 17 percent of fruit production but is growing at a slower rate (140 percent) than the 155 percent growth rate seen in the total category of all fruits. Within the citrus sector, oranges represented 67 …

grapefruit

Grapefruit Grown Under Protective Screens Maximizes Fruit Yield

Daniel Cooper Citrus Greening, CUPS, Grapefruit, Industry News Release, Research

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 …

Food-Safety Recommendations for Fresh Market Citrus

Tacy Callies Food Safety

It’s time to prepare for implementation of the Produce Safety Rule. By Travis Chapin, Michelle Danyluk and Keith Schneider In preparation for implementing the Food Safety Modernization Act’s Produce Safety Rule (PSR), growers, harvesters and packers of fresh citrus are required to attend standardized food-safety training, such as the Produce Safety Alliance (PSA) grower training course, which outlines the minimum …

agricultural engineer

Ag Engineer Joins UF Scientists to Restore Grapefruit Industry

Daniel Cooper Research, Water

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 …

citrus forecast

USDA Grant Could Help Florida’s Grapefruit Industry

Daniel Cooper Citrus Greening, Grapefruit, HLB Management, Industry News Release

Florida’s grapefruit industry, devastated by citrus greening, may find hope in four ½-acre white-mesh screenhouses in a research field in Fort Pierce. The project will be funded by a $3.5 million grant from the U.S. Department of Agriculture (USDA) awarded to the University of Florida. Studies for the grant will take place inside and outside these structures, where 512 young …

Fruit Drop and HLB

Tacy Callies HLB Management

By Tripti Vashisth and Lisa Tang Fruit drop is a natural, physiological phenomenon that occurs in all citrus varieties. However, pre-harvest fruit drop often causes grower distress and concern as it can result in significant yield reduction as well as loss of tree resources into non-harvested fruit. THREE PERIODS OF FRUIT DROP In general, citrus trees bloom profusely in spring, …

CUPS Offers Grapefruit Hope

Ernie Neff Grapefruit

A 4-year-old citrus-under-protective-screen (CUPS) trial offers hope for fresh grapefruit growers who struggle to grow fruit in the face of HLB, Arnold Schumann reports. Schumann says last season’s Ray Ruby grapefruit crop enclosed in CUPS at the Citrus Research and Education Center in Lake Alfred had 100 percent packout, even after Hurricane Irma inflicted some damage to the CUPS structure …

bill

FDACS Begins Efforts to Eradicate Oriental Fruit Fly

Daniel Cooper Food Safety, fruit, Industry News Release

The Florida Department of Agriculture and Consumer Services (FDACS) has positively identified the presence of three Oriental fruit flies, Bactrocera dorsalis, in south Miami-Dade County. The initial fly was discovered during routine trapping, and additional flies were discovered during expanded trapping activities. The department, along with the U.S. Department of Agriculture, monitors more than 56,000 fruit fly traps statewide as an …

fresh

A Talk on the Fresh Side

Ernie Neff Fresh

Greg Nelson, president of Egan Fruit Packing in Fort Pierce, Florida, summarizes the status of the fresh citrus industry and discusses opportunities for the future. “We’ve seen a slight decline in fresh orange consumption over the past 20 years, but a more significant, dramatic decline in fresh grapefruit consumption,” Nelson says. “But a lot of that is driven by lack …

fresh

Fresh Citrus Shipments Continue to Drop; CAC Elections Coming

Ernie Neff Fresh

Fresh citrus shipments from Florida so far in the 2017–18 citrus season have fallen 37 percent below the previous season, reports Citrus Administrative Committee (CAC) Manager Duke Chadwell. “And that percentage has held true from the beginning of the season up until now,” he says. “However, I do anticipate as we move forward that that percentage is going to grow. …

glass

OJ May Soon Come from HLB-Tolerant Fruit

Daniel Cooper Citrus Greening, Industry News Release, Research

Some people like to wake up and drink a glass of fresh Florida orange juice. With the greening disease ravaging Florida’s citrus industry, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers want to make orange juice from disease-tolerant fruit. Huanglongbing (HLB), or citrus greening as it’s commonly called, has destroyed 80 percent of citrus in Florida, a …

fresh

Some Fresh Citrus Problems Begin in the Grove

Ernie Neff Fresh

Some fresh citrus problems arise or can be addressed in the packinghouse; others must be dealt with earlier, in the grove. University of Florida Institute of Food and Agricultural Sciences researcher Mark Ritenour discusses three problems that must be addressed in the grove. They are peel breakdown, fruit decay and pesticide residues. Ritenour summarizes a presentation he made at this …