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


  • Heidi Lindberg

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

  • Successful use of the PGR daminozide

    Published on August 18, 2013
    The plant growth regulator (PGR) daminozide is used as a foliar spray primarily to inhibit extension growth of ornamental crops.

  • PGR application considerations

    Published on May 18, 2013
    This article briefly presents some of the considerations when selecting which plant growth regulator (PGR) rate, method and active ingredient to apply to greenhouse-grown ornamental crops.

  • 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.

  • 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.

  • Tips on using uniconazole

    Published on April 18, 2011
    This article provides suggestions for how and when to use uniconazole (e.g., Sumagic and Concise) as a spray or drench to obtain desirable, more compact ornamental plants.

  • Increasing plant height

    Published on October 17, 2014
    There are numerous ways to promote extension growth, including changes to plant culture or the growing environment, or applying a plant growth regulator that includes gibberellic acid.

  • The PGR ancymidol

    Published on February 17, 2015
    Plant growth retardants (PGRs) that contain the active ingredient ancymidol aren’t as commonly used in floriculture as most other PGRs, but there are some potential upsides that merit consideration.

  • Using ABA to reduce water loss

    Published on August 18, 2011
    Michigan State researchers investigated how an experimental formulation of abscisic acid (ABA) influenced drought stress tolerance of finished potted garden chrysanthemums and aster. The product mentioned is not commercially available.

  • Non-chemical height control techniques

    Published on May 18, 2013
    There are several environmental and cultural practices that can produce shorter plants, but strategies must be implemented over a period of time to achieve desired outcomes.

  • Do it yourself (conduct your own trials)

    Published on May 18, 2010
    Many articles often recommend that growers perform their own smal-scale tests for the specified procedures. Here are a few tips for conducting your own experiments.

  • Potential Effect of Water Quality on PGRs

    Published on November 18, 2015

  • Choosing growth regulators doesn't need to be a chore

    Published on October 18, 2007
    More growth regulators with the same active ingredient are available. Read these five considerations to help choose which one will best meet your needs.

  • 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.

  • PGR rates and timing for plug production

    Published on November 18, 2003
    Application rates and timing of the plant growth regulator Bonzi (active ingredient: paclobutrazol) was put to the test in this Michigan State University research on seedling plugs of bedding plants.

  • 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.