Louisiana Faces Several Citrus Woes

Ernie NeffLouisiana

Hurricanes, development, demographics, disease and other issues combined in recent decades to severely reduce citrus acreage and crops in Plaquemines Parish, which has the majority of Louisiana growers. According to Louisiana State University (LSU) AgCenter, the state has only 841 acres of citrus remaining. Anna Timmerman, LSU AgCenter horticultural Extension agent, discussed the industry’s woes in the parish that she …

La Niña and Florida Citrus

Ernie NeffWeather

A moderate La Niña climate phase is expected through spring 2021. This indicates that slightly above average temperatures and slightly less rainfall than normal can be expected in Florida’s citrus belt. Multi-county citrus Extension agent Ajia Paolillo made that announcement during a virtual Dec. 22 OJ Break presented by the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS). …

Dormant Sprays for Asian Citrus Psyllid Management

Tacy CalliesPsyllids

By Jawwad Qureshi Several studies have documented the positive effects of controlling the Asian citrus psyllid (ACP, Figure 1) for citrus tree health and sustainability in Florida. The mature blocks established before and after the discovery of huanglongbing (HLB) in 2005 continue to benefit from psyllid control. One psyllid is enough to infect a tree with HLB for life, and …

Some Citrus Recovery Expected in Mexico

Ernie NeffMexico

The U.S. Department of Agriculture’s Foreign Agricultural Service recently issued a report on the citrus industry in Mexico. Some highlights follow. ORANGEOrange production in the 2020-21 marketing year is forecast to partially rebound after drought decimated last year’s crop by nearly 40 percent. Residual soil health effects and low producer investments in orchard rehabilitation will prohibit full production recovery. Lack …

Growing Citrus Trees With Oak Mulch

Ernie NeffHLB Management

Lukas Hallman, a graduate student at the Indian River Research and Education Center (IRREC), is doing research to find what is in oak trees that apparently helps citrus cope with HLB. The University of Florida Institute of Food and Agricultural Sciences operates the IRREC. “Anecdotal reports from Florida growers claim that citrus trees growing within the drip line of large …

Sneak Peek: January 2021 Citrus Industry

Tacy CalliesSneak Peek

Now is the time of year for gifting fresh citrus to family and friends to enjoy. Unfortunately, people are not the only ones who enjoy eating citrus. Numerous pests can be found feasting on various plant parts in the grove. Keeping pests under control is the theme of the January issue of Citrus Industry magazine. Of course, the most concerning …

Update on CRISPR Research for Citrus Improvement

Tacy CalliesBreeding

By Nian Wang, Fred Gmitter and Manjul Dutt Nearly all commercially important citrus types — oranges, grapefruits etc. — have originated by mutations that have accumulated over several hundreds to thousands of years, from what once was an original, individual sweet orange tree and a single grapefruit tree. The many different cultivars that we know today are descended from those …

growers

Freeze Protection Measures for Citrus

Ernie Nefffreeze

Multi-county citrus Extension agent Chris Oswalt discussed historical and current freeze protection measures in a virtual Dec. 22 OJ Break. PASSIVE MEASURESSome cold-protection measures are taken well in advance of freezes; Oswalt referred to them as passive measures. They include grove site selection, crop selection and cultural practices. One site selection consideration is planting groves at higher elevations, which are …

High-Tech Scouting in Citrus Production

Tacy CalliesTechnology

By Yiannis Ampatzidis and Tara Wade Traditional sensing technologies in citrus production for pest and disease detection and field phenotyping rely on manual sampling, which is time consuming and labor intensive. Since availability of personnel trained for field scouting is a major problem, small unmanned aerial vehicles (UAVs) equipped with various sensors and artificial intelligence (AI) can simplify the surveying …

Citrus Holiday Traditions

Tacy CalliesTip of the Week

By Ruth Borger and Megan Dewdney Oranges and other citrus have a special place during holiday celebrations. We find them in our decorations, on our dinner table, shipped to friends and families across the country, and sometimes, if you are really good, in your Christmas stocking. But where did these traditions come from? And when did they become part of …

Orange You Glad to Meet Miss Florida Citrus?

Tacy CalliesCitrus

By Brenda Eubanks Burnette Leila Sabet, Miss Florida Citrus 2020, virtually started her year of service in June by competing in the very first virtual Miss America preliminary pageant in Florida. Due to COVID-19, Miss Florida Citrus appearances have not been as prolific as in past years. However, as restrictions have eased, Sabet has been invited to several industry events.  …

alico

Changes Proposed for Citrus From Australia

Ernie NeffExport/Import

The U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (APHIS) recently proposed to expand the production areas in Australia from which fresh fruit may be sent to the United States. It also proposed to revise the conditions under which citrus from Australia may be sent to the United States. Currently, APHIS allows the entry of fresh citrus fruit …

citrus

All In For Citrus Podcast, December 2020

Taylor HillmanAll In For Citrus Podcast, Sponsored Content

December brings the holiday season, but it is also a busy time for harvesting Florida citrus. As early-season varieties come off the trees, the December episode of the All In For Citrus podcast blends critical information for growers with a little holiday history and cheer. University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center …

Sending Fresh Citrus out of Florida

Tacy CalliesFresh, Tip of the Week

By Mark A. Ritenour The holiday season is a busy time for sending friends and family thoughtful gifts. For Floridians, the abundance of fresh produce during the winter months motivates many to share the experience with others. This is especially true for fresh citrus. Florida’s citrus gift fruit shippers have been supplying such treats for decades. With COVID-19 and a …

Citrus Woes Cut Alico Income

Ernie Neffbusiness

Alico, Inc. reported net income of approximately $23.7 million for the fiscal year ended Sept. 30, down from $37.8 million for the prior fiscal year. It attributed the decrease in net income primarily to three factors: A decline in the market price per pound solids for citrus fruit this past 2019-20 harvest season largely attributable to unfavorable industry supply dynamics …

Managing COVID-19 Risks in the Citrus Industry

Tacy CalliesCOVID-19

By Joyjit Saha, Matthew Krug and Michelle D. Danyluk The COVID-19 pandemic has rapidly changed so much. SARS-CoV-2 (the virus that causes COVID-19) is primarily transmitted person-to-person, with no evidence it is transmitted by food or food packaging, including citrus and citrus products. Managing COVID-19 among workers is extremely important. COVID-19 impacts on the health of employees can have catastrophic …

New Products From Citrus Waste

Ernie NeffResearch

Waste from the citrus industry can provide biogas and valuable products for a range of industries, according to a doctoral thesis at the University of Borås in Sweden. “The citrus industry creates so much waste that it corresponds to between 40 and 60 percent of the total citrus mass,” said Lukitawesa Lukitawesa, who recently defended his doctoral thesis at the …

citrus

COVID-19 Impacts on Florida Citrus

Ernie NeffCOVID-19

The impacts of the COVID-19 pandemic on Florida’s citrus industry were recently summarized by Fritz Roka, director of the Florida Gulf Coast University’s (FGCU) Center of Agribusiness. Roka discussed pandemic impacts on both the citrus production side of the industry and the packing and juice-processing segments. Here are some highlights of Roka’s presentation that apply to both the production and …

nominations

Four to Join Citrus Hall of Fame

Ernie NeffAwards

The Florida Citrus Hall of Fame will induct four new members in 2021. They are John L. Jackson of Sorrento, Florida; the late Lew J. Prosser of Plant City, Florida; Adam H. Putnam of Memphis, Tennessee; and Steven D. “Steve” Sorrells of Arcadia, Florida. They will be inducted during a luncheon tentatively scheduled for Nov. 5 at Florida Southern College …

citrus greening

Uncovering How HLB Acts Inside a Citrus Tree

Ernie NeffHLB Management

Amit Levy with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) describes research he’s conducting into the way the causal agent of HLB interacts with a citrus tree. The causal agent is the bacterium Candidatus Liberibacter asiaticus (CLas). Levy, whose research is funded by a U.S. Department of Agriculture grant, says CLas is found in a citrus …