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


  • Graphical tracking

    Published on July 18, 2007
    Graphical tracking, a decision-support tool, can help growers monitor plant height throughout production and identify when plants are too tall or too short.

  • PGR dilution guide

    Published on April 18, 2013
    A critical factor for effective use of plant growth regulators (PGRs) is that the solution is mixed in the appropriate concentration.

  • Non-Chemical Height Control

    Published on November 18, 2010

  • Fascination on poinsettia

    Published on August 8, 2016
    Did you hit your poinsettias with too much growth retardant? This Michigan State University research shows how to recover using products that contain gibberellic acid.

  • 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.

  • Ethephon drenches on bedding plants

    Published on April 18, 2013
    In the second of a two-part series with ethephon (e.g., Florel), we shows that drenches are a viable method to control height and size of several bedding plant crops.

  • Sumagic on bedding plants

    Published on April 18, 2005
    Usage of this highly active plant growth regulator (active ingredient: uniconazole) on bedding plants is for the experienced commercial grower. Read how to use it, when it’s best used, and how much is recommended based on this MSU research.

  • Plug / liner dip guidelines

    Published on February 18, 2013
    A plug or liner dip is a plant growth retardant (PGR) application technique for ornamentals in which a tray of finished young plants is placed into a shallow PGR solution for a short period of time.

  • Using the PGRs Collate and Florel

    Published on June 18, 2013
    Achieving consistent results with the plant growth regulators (PGRs) Collate or Florel can be trickier than with other PGRs simply because the active ingredient, ethylene, is a gas.

  • Managing perennial stock plants with Florel

    Published on August 18, 2004
    Michigan State research determines whether Florel (active ingredient: ethephon) can be used as a tool to keep perennial stock plants vegetative and increase the number of cuttings harvested for six species of herbaceous perennials.

  • Florel on summer production of pansy

    Published on April 18, 2004
    We performed experiments to determine if ethephon (e.g., Florel) could be used to delay flowering of pansy and viola when grown under bright, warm and long-day conditions.

  • Rice hulls and PGRs

    Published on November 18, 2010

  • Trending: PGR sprenches

    Published on April 17, 2015
    A sprench of a plant growth regulator (PGR) is a hybrid of a spray and a drench application, and is increasingly being used in the production of greenhouse ornamentals.

  • The ABCs of PGRs

    Published on November 18, 2008
    There are now a large number of plant growth regulators registered for use on ornamental plants. This article discusses the various active ingredients and the product names for each.

  • A new paclobutrazol (Piccolo 10XC)

    Published on September 18, 2011
    Fine Americas released a new, more concentrated formulation of paclobutrazol called Piccolo10XC. Plant responses were similar when the same active ingredient, volume, and application rate were used.

  • Using chlormequat chloride with success

    Published on April 18, 2014
    Chlormequat chloride is a plant growth retardant used to promote flowering or inhibit extension growth of floriculture crops grown in greenhouses, shadehouses and container nurseries.

  • Brushing plants for height control

    Published on February 18, 2009
    “Brushing” plants is proving to be a promising, albeit unconventional, height control technique. When touched or moved, plants release ethylene, which can inhibit elongation.

  • Increasing plant quality is a focus of 2016 Greenhouse Growers Expo

    Published on November 2, 2016
    Eight sessions at Greenhouse Growers Expo focus on maintaining and increasing plant quality including successful rooting of cuttings, disease and pest management, and plant disorder diagnostics.

  • Growing degree-day accumulations around Michigan

    Published on August 16, 2017
    Use MSU Enviroweather to determine whether heat units where you are located are behind, ahead or even as compared to normal.