The University of Florida’s Institute of Food and Agricultural Sciences

Citrus industry set to welcome state-of-the-art greenhouse at Mid-Florida REC in Apopka


GAINESVILLE, Fla -- The citrus industry has just gotten its own state-of-the-art greenhouse, dedicated solely to citrus nursery research as the state continues its fight against citrus greening – and industry and research officials are set to celebrate the gift March 25.

The $200,000 facility is located at the University of Florida’s Mid-Florida Research and Education Center in Apopka.  Officials say it was built there to shield the young plants from greening in the state’s main citrus-crowing areas of Central and South Florida, as federal guidelines suggest.

The new greenhouse contains innovative technology, including:

  • Fifty-one  4-by-7-foot tables, each serving as an experimental unit; they can be reconfigured as needed.
  • Each table is outfitted to measure water movement through a plant and provide precise irrigation as needed.
  • A control room with 144 switches, which manage 192 inputs for water, fertilizer, and weight and sensor readings for nutrient elements and temperature.
  • A versatile computer program capable of controlling several experimental systems concurrently.

There is capacity for 12,000 experimental trees in the 70-by-96-foot building, which sports a 16-foot-high ceiling to reduce the heat on the plants and workers.

The structure was built thanks to the Florida Nursery, Growers and Landscape Association’s citrus nursery members and UF/IFAS. 

“The greenhouse is extraordinarily important to the citrus industry as it battles the devastating citrus greening disease,” said Jack Payne, UF senior vice president for agriculture and natural resources.  “This facility will allow us to continue to be at the forefront of research.”

Citrus greening made its first appearance in Florida in 2005. It is spread by a tiny insect called the Asian citrus psyllid that snacks on the trees, leaving bacteria that starve the tree of nutrients. Infected trees produce green, misshapen fruit that are unsuitable for sale as fresh fruit or for juice and most die within a few years. The disease has affected millions of citrus trees in North America and threatens to destroy Florida’s $9 billion industry.

“The citrus nursery growers’ investments in this new greenhouse underscore our optimism for the future health of Florida’s citrus industry,” said Ben Bolusky, FNGLA’s chief executive officer.  “The research that can now be conducted will offer key scientific insights into producing citrus nursery trees that hold the keys to long-term success.”

Scientists will use the greenhouse to research problems and develop more efficient production practices for the citrus nursery growers, who produce young trees for planting in groves.  They will also ramp up the production of new trees for replacement in groves heavily hit by greening.

Researchers and growers are developing rootstock and plants resistant to greening using traditional budding methods and modern DNA genetics.  In addition, they are researching psyllids. The greenhouse will offer researchers the ability to scientifically evaluate new plants.

Richard Beeson, an associate professor of environmental horticulture, designed, built and programmed the computerized control panels for the greenhouse.  He is already working on experiments to quantify how much water is needed to produce trees in various conditions for planting into groves, from seed until marketable size.  He and Hayk Khachatryan, an assistant professor in food and resource economics, will study the optimum spacing of trees on tables for maximum profitability for greenhouse producers.

“I have researched growth and water needs of landscape trees and woody shrubs in Florida since 1990,” Beeson said.  “I am excited to apply the knowledge I have gained to help the citrus nursery industry maximize yields and profits to help restore Florida’s citrus heritage.”

The new greenhouse is scheduled to be officially dedicated March 25 at 1 p.m. The UF/IFAS Mid-Florida Research and Education Center is located at 2725 Binion Road in Apopka. The public is invited to attend.

Photo caption: The UF/IFAS Mid-Florida REC in Apopka is home to a new $200,000 citrus nursery greenhouse.

Writer:  Kimberly Moore Wilmoth, 352-294-3302,

Contact: Richard Beeson, 407-814-6172,

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