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Floriculture & Greenhouse Crop Production


  • Indoor propagation

    Published on July 14, 2020
    High-value crops can be propagated indoors, inside refrigerated growth rooms and without sunlight. This article briefly lists some of the important considerations for an indoor propagation facility.

  • Propagation pointers

    Published on November 14, 2019
    Propagating ornamental crops is one of the most challenging aspects of production, yet an increasing number of greenhouse growers are doing it themselves. This article provides a brief overview of tips for successful propagation.

  • LEDs: Far red & light intensity interaction

    Published on March 4, 2019
    Part 2 of a 5-part series explains how far-red light and light intensity (the photosynthetic photon flux density) interact to influence growth of young plants indoors, under fully controlled environments.

  • Lighting young plants indoors

    Published on February 4, 2019
    Part 1 of a 5-part series is an introduction to producing young plants indoors under fully controlled environments.

  • Growing ornamental seedlings under white LEDs

    Published on November 15, 2018
    Michigan State University researchers discuss the impacts of using white light on plant growth and human vision, as well as energy considerations when growing ornamental seedlings indoors.

  • Perennial propagators' successes and challenges

    Published on October 19, 2016
    Results Of A National Survey

  • Managing light to improve rooting of cuttings

    Published on September 7, 2016
    Many growers can improve the rooting of cuttings by more closely managing light during propagation.

  • Improve rooting of cuttings

    Published on January 19, 2016
    Successful rooting of cuttings requires careful management of the environment, especially air and media temperature, humidity and light.

  • Keys to successful seedling production

    Published on November 19, 2015
    Although the topics discussed don’t include all of the key aspects of plug production, focusing on these key parameters will certainly help lead to success.

  • Managing temperature during propagation

    Published on December 19, 2014
    Temperature primarily drives the rate of root and shoot development while light provides the energy to promote that growth. When one of these environmental factors is not optimized, rooting is delayed.

  • Keeping [geranium cuttings] green

    Published on December 19, 2013
    How to reduce lower-leaf yellowing of geranium cuttings in propagation.

  • Keeping it Green

    Published on November 18, 2013
    Applications of plant growth regulators such as benzyladenine (BA; a cycokinin) and/or gibberellic acid (GA) may suppress lower-leaf yellowing and senescence.

  • Managing photosynthetic light during liner production

    Published on December 19, 2012
    How low is low with light? With a large volume of young plant production occurring during this time, what impact does light have on rooted cutting (liner) production timing and quality?

  • The latest on plug production: Seedling plug size effects on flowering time

    Published on September 22, 2012
    We evaluated the effect of two plug sizes on finish crop time, plant quality characteristics, and estimated production costs for five bedding plant species.

  • Propagating orchids

    Published on August 19, 2011
    Some orchids are among the most difficult plants to propagate. This article discusses the different ways that orchids can be propagated including by division, offshoots, tissue culture, and seed.

  • Successful poinsettia propagation

    Published on December 19, 2009
    Successful poinsettia propagation begins with high quality cuttings and an ideal rooting environment.

  • Cutting propagation

    Published on December 19, 2008
    In an ideal propagation greenhouse, a grower is able to provide adequate moisture, minimize environmental stresses, prevent diseases and insects, and rapidly root cuttings in well-drained media.

  • Propagating poinsettias

    Published on August 19, 2007
    Poinsettia propagation can be challenging, especially during the summer. Here are some tips to help ensure successful propagation of nonrooted poinsettia cuttings.

  • A new approach for floriculture

    Published on June 19, 2007
    Research on cuttings conducted by a cooperative group of academics looks at the essential factors that determine the success or failure of cuttings.

  • Cutting production and propagation: Is there room for improvement?

    Published on February 19, 2007
    In this article, we focus on environmental and cultural information that can be used during propagation of non-rooted cuttings to reduce rooting time and finish time, and increase cutting quality and profits.