california

The Complex Path for New Citrus in California

Tacy CalliesCalifornia Corner, Varieties

By Len Wilcox Continuous research and development of new varieties is an important function of the University of California, Riverside (UCR). Efforts have led to hundreds of profitable varieties now being grown in California. According to a report in California Agriculture, University of California’s (UC) research journal, one of those varieties has been a source of more than $14 million …

Cold-Hardy Citrus for North Florida

Tacy CalliesVarieties

By Xavier Martini and Peter Andersen Cold-hardy citrus has a long history in North Florida, Alabama, Louisiana and Georgia. Records show that sweet orange, citron, lemon, lime and pummelo were brought to Saint Augustine, Florida, from Spain in 1565. However, it was not until the late 1700s that the Jesuits introduced satsuma (Citrus unshiu) to what is now Louisiana. SATSUMA …

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 …

Alternatives to Rootstock Propagation by Seed: Differences, Concerns and Expectations

Tacy CalliesResearch

By Ute Albrecht Commercial citrus rootstock propagation traditionally occurs via use of nucellar apomictic seed, which generates genetically identical seedlings that are used as liners for budding. With the high demand for superior rootstocks in the age of HLB, commercial nurseries are currently experiencing a shortage of seeds for some of the most popular rootstock varieties. In addition, for many …

New HLB Research Facility in Riverside

Tacy CalliesCalifornia Corner

By Len Wilcox There’s a new research facility funded by California citrus growers to help combat huanglongbing (HLB), also known as citrus greening disease. The facility, located in Riverside, California, is the result of a 3-year cooperative effort of the University of California, Riverside (UC Riverside) and California citrus growers. Using funds provided by members of California Citrus Mutual (CCM), …

Study Shows Economic Impact of Citrus in California

Len WilcoxCalifornia Corner

The total economic impact of California’s citrus industry is $7.117 billion according to a new study commissioned by the Citrus Research Board (CRB). “In updating our economic analysis, we selected a well-known expert, Bruce Babcock, Ph.D., a professor in the School of Public Policy at the University of California, Riverside, to conduct the research. His findings quantified the significant impact …

FDOC: Budget and Mission for Next Season

Ernie NeffFlorida Citrus Commission

The Florida Citrus Commission approved a preliminary 2018–19 budget of $17.645 million dollars for the Florida Department of Citrus (FDOC). FDOC Executive Director Shannon Shepp discusses the budget and the department’s mission. “We have a net increase in the budget of about $409,000” compared to the current 2017–18 budget, Shepp says. She notes that about half of the funding will …

Citrus Growers Needed for Survey Participation

Tacy CalliesEconomics

Ariel Singerman, University of Florida assistant professor, will be conducting his annual production cost survey for processed oranges grown in Southwest Florida. The survey will consist of grower meetings in two locations. The first meeting will take place on May 18 at 9:00 a.m. at the Hendry County Extension Office (Dallas Townsend Ag Center) in LaBelle. To confirm your participation in …

Managing Mites in Florida Citrus

Tacy CalliesPests

By Lukasz L. Stelinski, Jawwad A. Qureshi and Philip A. Stansly Florida citrus is host to four main groups of mites categorized by differences in lineage and morphology. However, only rust mites, spider mites and broad mites historically cause economic damage to commercially grown citrus in the state. The fourth group, referred to as false spider mites, are vectors elsewhere …

Mexico

Overview of Mexico’s Citrus Industry

Ernie NeffMexico

Ricardo Martinez Zambrano, director of sales for North America with Citrofrut, summarizes a Mexican citrus industry report he delivered at the recent International Citrus Business Conference. Zambrano says oranges account for about 56 percent of Mexico’s total citrus production, but “there is no official source in Mexico that does the estimation.” An area of eastern Mexico has about 80 percent …

State of the Florida Citrus-Packing Segment

Tacy CalliesCitrus

By Peter Chaires Florida’s fresh-packing segment is in a significant period of transition. The freezes of the 1980s caused substantial southward movement of citrus production and the loss of supply to most packinghouses in the northern regions. During this time, urban expansion and construction booms were also depleting acreage that supplied fresh houses. The early battles against citrus canker eliminated …

On-Farm Readiness Reviews Help Growers with Produce Safety Rule

Tacy CalliesFood Safety

By Travis K. Chapin, Keith R. Schneider, Renée Goodrich Schneider, Jessica Lepper, Rachel McEgan and Michelle D. Danyluk The Produce Safety Rule (PSR) was published by the U.S. Food and Drug Administration (FDA) in the Federal Register in November 2015 as one of seven major new regulations under the Food Safety Modernization Act (FSMA). The PSR covers activities related to …

Foliar Nutrition Research Update

Tacy CalliesNutrition

By Rhuanito S. Ferrarezi, Alan L. Wright, Kelly T. Morgan, Philip A. Stansly, Monica Ozores-Hampton and Robert Ebel Huanglongbing (HLB) or citrus greening is endemic in Florida, resulting in billions of dollars of losses since the state’s first detection in 2005. The disease induces visual symptoms in leaves and branches, while severely impacting citrus fruit yield and quality. Fibrous root …

PIECES OF THE PAST: Now Hold On Just a Minute!

Tacy CalliesHistory, Pieces of the Past

By Brenda Eubanks Burnette I recently came across a postcard in my collection that featured the Orlando headquarters of the Minute Maid Corporation, which made me curious about how the company started. The back of the postcard reads: “National Headquarters of Minute Maid Corporation in Orlando, Fla. Located near the heart of Florida’s rolling citrus grove country, at the intersection …

How Will Irma Affect Citrus Canker Management?

Tacy CalliesDiseases

By Evan G. Johnson The citrus canker season is quickly approaching again, so it is time to start planning your canker management program to avoid fruit drop and fresh-market quality loss. It is easy to forget the importance of controlling citrus canker with the current state of HLB in Florida. However, citrus canker can cause almost complete crop loss if …

crop insurance

Vast Majority of Florida Citrus Is Insured

Ernie Neffcrop insurance

University of Florida Institute of Food and Agricultural Sciences economist Ariel Singerman provided growers attending a recent OJ Break in Lake Alfred with basic information about federal crop and tree insurance. Early in his presentation, he noted that most citrus crops and trees in Florida are covered by crop and tree insurance at some level. He summarizes his presentation. “The …

citrus

8 Million-Year-Old Gene Could Help the Citrus Industry

Daniel CooperIndustry News Release

After 100 years of assertions about the roots of citrus, a global group of scientists — including a University of Florida professor — has traced the evolutionary history of Florida’s signature crop up to 8 million years ago in the Himalayas of Southeast Asia. Through analyses of 60 types of citrus whose genomes they sequenced, scientists identified 10 natural citrus …

Freeze Summary for Florida and Georgia Citrus

Ernie Nefffreeze

Temperatures dipped into the 20s in much of the Florida Citrus Belt on the morning of Jan. 18, but the state’s largest citrus growers association expected little, if any, freeze damage. Florida Citrus Mutual spokesman Andrew Meadows said there could be minor or moderate fruit loss in some low-lying pockets, “but absolutely no tree damage.” The coldest Florida citrus region …

sweet orange scab

Sweet Orange Scab Detected in Alabama

Tacy CalliesDiseases

U.S. Department of Agriculture (USDA) officials have confirmed the first detection of sweet orange scab (SOS) in Alabama. The fruit sample was collected in Baldwin County by Alabama Department of Agriculture and Industries’ (ADAI) plant protection inspectors during a delimiting survey for citrus greening disease. The Auburn University Plant Diagnostic Clinic provided the initial diagnosis of SOS, and USDA Animal …

HLB

Millennium Block Resurrected for HLB Research

Ernie NeffGrapefruit, HLB Management

An approximately 35-acre research plot that fell victim to citrus canker years ago will soon become a new research site helping growers pick trees that fare best with HLB. The plot at the Indian River Research and Education Center (IRREC) in Fort Pierce will keep its former name, the Millennium Block. University of Florida Institute of Food and Agricultural Sciences …