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Floriculture & Greenhouse Crop Production

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  • Sole-source lighting of plants

    Published on September 13, 2017
    Sole-source lighting is a term used to describe the deliver of light to plants that do not also receive light from the sun. In other words, electric lighting is delivered indoors and provides the sole source of light for plant growth and development.

  • Producing High Quality Plugs Part I

    Published on September 4, 2017
    In this article, we will discuss how continuous 16-hour or instantaneous threshold supplemental lighting from HPS lamps and LEDs and photoperiodic lighting influence plug quality and subsequent flowering.

  • Lighting plans: Their generation and importance

    Published on August 17, 2017
    Light intensity and uniformity are critical to successful production of plants. This article describes how lighting plans are developed, and why they are so important when comparing lighting technologies.

  • 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.

  • Producing High Quality Plugs Part 2

    Published on August 5, 2017
    In this article, we will discuss how continuous 16-hour or instantaneous threshold supplemental lighting from HPS lamps and LEDs and photoperiodic lighting influence plug quality and subsequent flowering.

  • Plant lighting efficiency and efficacy

    Published on July 10, 2017
    Plant lighting continues to be a hot topic, especially as light-emitting diode (LED) technology continues to advance. Learn more about how electric lamps convert electricity into photons of light useful to plants.

  • Growing plants with green light

    Published on June 7, 2017
    Green light can be defined as radiation with wavelength between 500 and 600 nanometers. Green light is within the photosynthetically active waveband of 400 to 700 nm, yet its effects on plant growth and development are not well understood.

  • The importance of light uniformity

    Published on March 3, 2017
    Managing light is obviously critical to the production of crops grown in controlled environments. When considering the different dimensions of light, we often overlook the importance of light uniformity.

  • 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.

  • Effects of blue light on plants

    Published on February 2, 2017
    Blue light is usually referred to as radiation with wavelengths between 400 and 500 nanometers. This waveband is within the visible spectrum, has relatively high energy, and has pronounced effects on plant growth and flowering.

  • Red light spectrum - Role of far red radiation

    Published on November 9, 2016
    What are the potential benefits for including far-red radiation when growing seedlings indoors?

  • 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.

  • The economic viability of LED lighting

    Published on October 7, 2016
    Determine whether LED lighting is right for your operation by considering seven important factors that impact return on investment.

  • 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.

  • Impact of light on bedding plant flowering response

    Published on August 7, 2016
    How do light quality from light-emitting diode lamps and daily light integral influence the flowering responses of long-day plants?

  • Red light and plant growth

    Published on August 7, 2016
    Many LED fixtures developed for plant growth applications emit a large proportion of red light. Learn about the roles of red light in photosynthesis, extension growth, and flowering, as well as human perception.

  • A closer look at far-red radiation

    Published on May 7, 2016
    Far-red light can be defined as photons with wavelengths from 700 to 800 nanometers. It can promote extension growth and flowering, and at least indirectly increase growth.

  • Diffused glass

    Published on April 23, 2016
    Growers need to weigh the advantages of diffused glass with its cost considering their greenhouse location, production periods, and types of crops grown.

  • Efficacy of lamp types at controlling flowering

    Published on February 23, 2016
    This article summarizes the effectiveness of low-intensity lighting from different lamp types at regulating flowering of a wide range of ornamental crops based primarily on research performed at Michigan State University.

  • Customizing Crop Foliage Color With LEDs: Red Leaf Lettuce

    Published on October 24, 2015
    In the first of a four-part series highlighting the multiple uses of light-emitting diodes (LEDs), researchers share how end-of-production supplemental lighting with LEDs enhances red leaf lettuce color prior to harvesting and shipping.