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Category: Efficacy

Leaf Spot & Anthracnose Efficacy Summary – 2016

Posted on November 17, 2017April 23, 2024

At the IR-4 Ornamental Horticulture Program Workshop in 2013, leaf spots and anthracnose efficacy was selected as a high priority project to expand the knowledge

Posted in Efficacy, Pathology, Plant Pathology Efficacy

Fusarium Efficacy Summary – 2016

Posted on November 17, 2017April 17, 2024

From 2001 to 2015, numerous products representing 31 active ingredients were evaluated in greenhouse and field trials as soil drench, soil incorporation, foliar, in-furrow, drip irrigation or tuber

Posted in ArchivedEfficacy, Efficacy, Pathology

Thrips Efficacy Summary – 2015

Posted on November 17, 2017August 20, 2021

For the last 10 years, the IR-4 Ornamental Horticulture Workshop has ranked developing efficacy data on new products to manage thrips as a High Priority Project. Thrips remain an important threat for

Posted in ArchivedEfficacy, Efficacy, Entomology

Bacterial Disease Efficacy Summary – 2015

Posted on November 16, 2017August 20, 2021

From 2008 to 2014, 54 products were tested through the IR-4 Program as drench or foliar applications against bacterial pathogens. In addition to research collected through the IR-4

Posted in ArchivedEfficacy, Efficacy, Pathology

Whitefly Efficacy Summary – 2014

Posted on November 16, 2017April 23, 2024

Whiteflies are significant pests of ornamental horticulture crops. Three whiteflies species and biotypes contribute to crop production losses in the United States: greenhouse whitefly

Posted in Efficacy, Entomology, Entomology Efficacy

Rust Disease Efficacy Summary – 2012

Posted on November 16, 2017April 23, 2024

From 2000 to 2011, numerous products representing 30 active ingredients were tested as foliar applications against several genera and species of pathogens causing rust on

Posted in Efficacy, Pathology, Plant Pathology Efficacy

Mite Efficacy Summary – 2012

Posted on November 16, 2017August 20, 2021

At the IR-4 Ornamental Horticulture Program Workshop in 2009, Mite Efficacy was selected as a high priority project to obtain data supporting current and future registrations was discussed.

Posted in ArchivedEfficacy, Efficacy, Entomology

PGR Woody Branching – 2012

Posted on November 16, 2017April 19, 2024

Hydrangeas are an increasingly popular group of shrubs which are prized for their flowers. Ornamental growers produce numerous varieties for the landscape, as well as, holiday florist markets.

Posted in Efficacy, Environmental Horticulture Program, PGR

PGR Herbaceous Branching – 2012

Posted on November 16, 2017April 19, 2024

Three plant growth regulators, Augeo (dikegulac sodium), Configure (6-benzladenine) and Florel (ethephon), were tested to determine their potential for improving branching and quality

Posted in Efficacy, Environmental Horticulture Program, PGR

Gladiolus Rust APHIS Research Summary

Posted on November 15, 2017August 20, 2021

The project entitled “Determining the impact of registered and non-registered fungicides and disinfestants on Uromyces transversalis, the causal agent of

Posted in Efficacy, Environmental Horticulture Program, InvasiveSpecies, Pathology, Plant Pathology Efficacy

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1730 Varsity Drive
Venture IV, Suite 210
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(919) 515-1552
ir-4_project@ncsu.edu

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This website is based upon work that is supported by the National Institute of Food and Agriculture, U.S. Department of Agriculture, under award numbers 2022-79111-38469 and 2021-34383-34848 with substantial cooperation and support from the State Agricultural Experiment Stations, USDA-ARS, USDA-APHIS, and USDA-FAS. In accordance with Federal Law and U.S. Department of Agriculture policy, this institution is prohibited from discriminating on the basis of race, color, national origin, sex, age or disability.

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  • About IR-4
    ▼
    • Annual Reports
    • Careers
    • Contacts
      ▼
      • Headquarters Staff
      • National Directory
      • Regional Field Coordinators
    • History
    • Mission & Vision
    • News
    • Outreach
    • Participants in the Process
  • Food Crops
    ▼
    • Biopesticide Regulatory Support Program
    • Crop Grouping
    • Integrated Solutions
    • International Programs
    • Residue and Product Performance
  • Environmental Horticulture
  • Events & Training
  • Stakeholder Resources
    ▼
    • Database: Food Crops
    • eQA/eDOCs
    • Database: Environmental Horticulture
    • Databases: Biopesticides and Organic Support
    • Glossary of Acronyms
    • Upload Files
  • Submit a Project Request