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Category: PGR

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

PGR Improvement of Herbaceous Plant Shelf Life – 2011

Posted on November 14, 2017March 12, 2024

Potted plants like geranium and impatiens are typically grown in the warmer regions of the United States and require shipping to reach northern markets for sale to

Posted in Efficacy, Environmental Horticulture Program, PGR

IR-4 Project Headquarters
NC State University
1730 Varsity Drive
Venture IV, Suite 210
Raleigh, NC 27606
(919) 515-1552
ir-4_project@ncsu.edu

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This work is supported by project award nos. 2025-79111-45234 and 2022-79111-38469, from the U.S. Department of Agriculture’s National Institute of Food and Agriculture, with substantial cooperation and support from the State Agricultural Experiment Stations, USDA-ARS and USDA-FAS. Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and should not be construed to represent any official USDA or U.S. Government determination or policy. 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.

  • 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
    • 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