Horticultural Research Institute announces funded research projects

Horticultural Research Institute announces funded research projects

The 2018 funding totals $232,000 for 10 projects covering horticultural production, pest management, environmental stewardship and more.

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February 23, 2018
Press Release
Business Marketing Pest & Disease

WASHINGTON and COLUMBUS, Ohio – The Horticultural Research Institute (HRI), the research arm of AmericanHort, has announced the portfolio of research projects receiving funding in 2018. $232,000 will be provided to 10 projects to investigate solutions in the areas of horticultural production, pest management, environmental stewardship, and business and marketing.

“Making smart decisions on funding is part of HRI’s strategy to advance the industry,” said Jennifer DeJager, HRI president. “The projects selected for 2018 funding represent the work HRI feels will produce the most valuable information for horticulture businesses. After careful reviews by industry professionals and scientists, the most relevant projects were selected for funding.”

“HRI supports projects where the outcomes can impact the bottom line for industry businesses,” said Jennifer Gray, HRI administrator. “Whether that’s finding effective control methods for pests, investigating innovative approaches for plant production, or discovering new paths to consumer engagement — the projects selected for funding will provide valuable information companies can use to grow their businesses.”

The Horticultural Research Institute’s mission is to direct, fund, promote and communicate horticulture research. Supporting research that challenges current methods and bridges the divide between businesses and the consumer is exactly how HRI helps build prosperous businesses, advance the green industry and fulfill its core vision.

 

2018 FUNDED PROJECTS:

 

Calibrachoa Flowering Promoted by Endophytic Mortierella elongata

Ms. L. Becker & Dr. M. Cubeta, North Carolina State University

Calibrachoa, often called ‘mini petunia’, is growing in popularity among consumers. Black root rot, caused by Thielaviopsis basicola, is a common problem in calibrachoa production, and new strategies of using biocontrols are being sought. Mortierella elongata, a fungal endophyte that lives inside plant roots, is one of those new potential control agents and may have the added benefit of promotion of flower production.

 

Off the sales floor and into the cart: Analyzing the path to plant purchases

Dr. B. Behe, Michigan State University

How do consumers make buying decisions? This project aims to tackle that question with regard to plant purchases. New technologies such as a portable device that tracks eye movement, will be used to investigate visual cue selections that lead to plant purchase. Packaging, in-store signage, brand, and price may impact consumers’ choices. Results should help retailers improve the shopping experience.

 

Seed Your Future - Promoting Horticulture - A National Study and Action Plan

Dr. J. Dole; North Carolina State University

Increasing the number of students and graduates in horticulture serves the entire horticultural industry. The Seed Your Future project aims to do just that through promotion of horticulture among young people and in academic settings. Over 150 partners are involved, and HRI is pleased to continue support of this work.

 

Continued development of a modified hydroponic stock plant system for minicuttings of difficult-to-root nursery crops
Dr. R. Geneve; University of Kentucky

Nursery producers often rely on budding and micropropagation as propagation tools for difficult-to-root woody crops. Unfortunately, they are more time consuming and expensive as compared with traditional cuttings. This project looks at a modified process adopted by the forest industry, where a hydroponic stock plant system is used. Eastern redbud is the model crop, and this work is a continuation of a project funded in FY2017.

 

Identification and Development of Plant Endophytes for Biocontrol of Boxwood Blight

Dr. P. Kong, Virginia Tech

Boxwood blight, caused by Calonectria pseudonaviculata, is a huge concern in the nursery and landscape management industries. Control options are currently limited to a handful of fungicides. Naturally, biocontrols are being sought as well, and some bacterial endophytes (organisms that spend at least part of their life in plant roots) have been identified that show potential to reduce C. pseudonaviculata in culture. A team led by Dr. Kong will further evaluate these endophytes for real world applicability.

 

Boxwood Blight Management in the Landscape
Dr. J. LaMondia; Connecticut Ag Experiment Station

Historic gardens and home and commercial landscapes alike fear invasion of boxwood blight. Once plants are infected, the current recommendation calls for plant removal and destruction, followed by a rigorous fungicide program to protect any adjacent, symptom-free boxwoods. Dr. LaMondia plans to focus specifically on management of boxwood blight in landscapes with various fungicides.

 

A sustainable approach to Phytophthora-infested landscape beds: the search for tolerant or resistant annuals and herbaceous perennials

Dr. I. Meadows; North Carolina State University

Phytophthora root rot and stem blight affects over 100 of the most popular and most commonly used landscape perennials and annuals, including annual vinca, petunia, and daylily, throughout the U.S. Current recommendations for infested landscape beds are either impractical or not economically feasible for landscapers and homeowners. Previous research has given hope of reducing inoculum through the use of crop rotation with resistant plants. Dr. Meadows will identify suitable landscape plants to be used in crop rotation.

 

A System Nitrogen Balance for Container Plant Production

Dr. L. Oki; University of California – Davis

As water resources become more valuable, efforts increase to maintain water quality. Nitrogen management plans represent a relatively new strategy to curb contamination of groundwater and are being enacted in certain, regional areas. Often the nitrogen management plans are factored around agricultural commodities, such as grapes; however, these plans are more challenging to develop for nursery production. This project will assess the fate of nitrogen applied in production and then identify BMP’s to prevent environmentally harmful nitrogen discharge.

 

Optimizing management guidelines for the non-native Azalea Lace Bug on Rhododendron species in Western Washington

Dr. P. Tobin; University of Washington

Azalea lace bug is one of the most serious insect pests of Rhododendron species, especially azalea, and was introduced to the U.S. on infested nursery stock. Previous research conducted in the Eastern U.S. has not been relevant to the Pacific Northwest. This work will refine growing degree-day models to better fit conditions in the PNW to more accurately predict timing of control measures.

 

Controlling Amber Snail in Containerized Nursery Stock

Dr. A. Witcher; Tennessee State University

Amber snails have been reported as problematic in nursery production throughout the US. They are generalist feeders on foliage, flowers, and fruit and cause damage to a wide variety of crops. Control options are limited, with molluscicides, pesticides that target snails and slugs, being the preferred method. However, molluscicides vary in their level of efficacy. Dr. Witcher will evaluate commercially available molliscicides specifically in both a high and low moisture environment for comparison. 

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