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  • Height control for vegetable transplants

    Published on February 18, 2010
    A supplemental labeling of Sumagic for use on vegetable transplants in the U.S. has made height control less complicated. There are a few other methods that may be helpful, too.

  • Calculating ADT (average daily temperature)

    Published on December 17, 2008
    Average daily temperature is a crucial factor in crop time and plant development. Learn to calculate it and how it affects your growing schedule.

  • LEDs: Blue & far-red light

    Published on April 10, 2019
    Part 3 of a 5-part series summarizes results from an indoor lighting experiment with floriculture crop seedlings, where we determined whether blue light could nullify the effects of far red on stem elongation, without inhibiting flowering.

  • Height control of perennials: What works and what doesn’t

    Published on August 17, 2020
    This article discusses height control techniques that generally do or don’t work for herbaceous perennials forced into flower.

  • FlowersOnTime

    Published on November 20, 2015
    flowersontime

  • 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.

  • The benefits of lighted plugs

    Published on March 24, 2007
    One of the most cost-effective uses of supplemental lighting is during the production of seedling plugs and rooted liners. Learn how high daily light integrals benefit plants.

  • Far red is the new red

    Published on February 6, 2017
    Adding far red to red and blue light from LEDs brings control of plant growth to the next level.

  • UV-transmitting greenhouse glazing

    Published on June 16, 2020
    Most greenhouse glazing plastics absorb UV radiation to enhance their longevity. However, plants grown under glazing that transmits UV are typically more compact, darker in color, and more resilient.

  • Steps toward sustainablity.

    Published on December 9, 2007
    A special report on what it takes to make your garden center or greenhouse operation environmentally responsible and sustainable profitable.

  • Poinsettia Propagation

    Published on December 19, 2016
    Poinsettia propagation

  • Growing seedlings under LEDs, part 2

    Published on February 23, 2014
    In the second part of a two-part series, Michigan State University researchers share their findings in germinating seedlings indoors under LED lights.

  • Flowering of petunia at low temperatures

    Published on November 22, 2013
    Temperature and photoperiod interact to influence flowering of petunia. This article presents research-based information to better understand how to manipulate the environment for rapid flowering.

  • Holding plugs and liners

    Published on July 7, 2011
    holding plugs and liners

  • 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.

  • Potted Plants On CRFs

    Published on December 19, 2012
    How does the use of CRFs affect potted flowering crop production? Three studies seek to answer that question, as well as look at some of the economic and environmental benefits of using CRFs in the greenhouse.

  • Flower Induction of Annuals

    Published on December 19, 2016
    flower induction of annuals

  • 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.

  • Improving branching and postharvest quality

    Published on August 18, 2008
    When used properly, benzyladenine (BA) sprays have commercial potential, and can increase the number of tertiary shoots in poinsettia and delay lower-leaf yellowing (chlorosis).

  • Control flowering with LEDs

    Published on March 24, 2014
    Is it worth paying extra for LEDs? Researchers at Michigan State University found that the long-term benefits may outweigh the up-front costs.