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Showing results for content tagged 'height management of ornamentals'. Search instead for the keyword 'height management of ornamentals'.

  • Height Management of Ornamentals

    MSU Extension’s floriculture educational and applied research programs help improve greenhouse crop production and business management by providing trusted information on new production techniques and management strategies.


  • Managing crop height

    Published on February 3, 2021

    Professor Emeritus Royal Heins discusses the history of DIF, which is the temperature difference between the day and night, and how it can be used to manage plant height of floriculture crops produced in greenhouses. He also discusses graphical tracking of the height of potted flowering plants to help growers achieve their desired height targets.

  • Roberto Lopez

    Associate Professor
    rglopez@msu.edu
    517-353-0342

  • Jeremy Jubenville

    Floriculture Educator
    jubenvi3@msu.edu
    269-384-8010

  • Heidi Lindberg

    West Michigan Greenhouse and Nursery Education & Research
    wollaege@msu.edu
    616-994-4701

  • Erik Runkle

    Professor
    runkleer@msu.edu
    (517) 353-0350

  • Potential Effect of Water Quality on PGRs

    Published on November 18, 2015
    Final spray water pH after plant growth regulation addition varies with pH and alkalinity of your carrier water.

  • Non-Chemical Height Control

    Published on November 18, 2010
    Integrating height control strategies with traditional chemical control is an approach for growers embracing sustainability.

  • Rice hulls and PGRs - en Español

    Published on December 23, 2010
    La cascarilla de arroz vaporizada ha demostrado ser un componente atractivo en los sustratos de crecimiento para los productores que deseen incorporar un producto sostenible en la producción de cultivos en invernaderos.

  • Non-chemical height control strategies for greenhouse crops

    Published on April 14, 2006
    Covering the advantages and disadvantages of plant growth retardants (PGRs).

  • Non-chemical height control strategies for greenhouse crops: part II

    Published on April 28, 2006
    In this issue, we focus on a few cultural strategies that can be used to control plant height.

  • Control stem length with liner dips

    Published on November 18, 2011
    Dipping trays of rooted liners and plugs into a PGR solution, or liner dip, is a newer method of efficiently applying root-absorbed PGRs that controls stem elongation after transplanting.

  • Success with PGRs

    Published on March 18, 2019
    Regardless of the desired outcome, successful use of a plant growth regulator (PGR) requires multiple considerations and attention to detail. This article summarizes practices to obtain the best results from your PGR applications.

  • Sumagic on vegetable transplants

    Published on November 18, 2012
    Sumagic is the only plant growth retardant registered for use as a foliar spray on young tomato, pepper, eggplant, groundcherry, pepino and tomatillo plants.

  • Understanding how PGRs work

    Published on May 17, 2017
    Plant growth regulators are chemical compounds that regulate various growth and developmental processes in plants, such as seed germination, rooting, branching, flowering, fruit development, dormancy and plant growth habit.

  • Increasing height of chrysanthemum with PGR drenches

    Published on July 10, 2017
    Results are presented for an experiment in which we compared the efficacy of spray versus drench applications of a plant growth regulator (PGR) at increasing plant height of potted chrysanthemum plants.

  • A new height control possibility for daffodils and hyacinths

    Published on March 18, 2013
    In this first of a two-part series, we look at ethephon (e.g., Florel) release as affected by substrate pH, and results of drenches on daffodils and hyacinths.

  • Effective use of PGRs

    Published on July 18, 2014
    Plant growth regulators (PGRs) are sometimes not used to their potential; they are sometimes applied too late or at an inappropriate rate. Here are some important considerations for getting the most out of your PGRs.

  • Increasing poinsettia size

    Published on October 18, 2007
    Are your potted poinsettias vertically challenged? When applied on young stems before the first hint of color, chemicals can help promote stem extension and take your plants to new heights.

  • Successful use of paclobutrazol

    Published on April 18, 2012
    Paclobutrazol is probably the most widely used plant growth retardant in the production of floriculture crops because of its wide range of efficacy and moderate- to long-lasting response.

  • PGR drench guidelines

    Published on April 18, 2007
    A drench of a plant growth regulator (PGR) is an application of a relatively large volume of solution at a low concentration to the growing media. Learn more about which chemicals are appropriate for drenches, as well as suggested volumes and rates.