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Far red boosts photosynthesis

Shuyang Zhen, a Ph.D. candidate at the University of Georgia, delivered an oral presentation at the 2016 American Society for Horticultural Science (ASHS) annual conference in Atlanta, GA. Her talk was entitled “Enhancing Photosynthesis with Far-red Light at Different Intensities

lighthort October 25, 2016February 14, 2017 Sole-source lighting Read more

UV-B signaling proteins: UVR8 and COP1

The following is my summary of a paper (Yin et al., 2016) recently published on Proceedings of the National Academy of Sciences. It reveals the interaction between two important proteins in UV-B radiation signaling and provides insight on the precise molecular mechanism of UV-B signal

lighthort September 26, 2016February 14, 2017 Photoreceptors Read more

Adding far-red radiation benefits ornamental seedlings

Yujin Park, currently a third-year Ph.D. student at Michigan State University, delivered this oral presentation during the 8th International Symposium of Light in Horticulture held in East Lansing, MI in May, 2016. She investigated the use of adding far-red radiation

lighthort September 12, 2016February 14, 2017 Sole-source lighting Read more

Ultraviolet B: invisible light with a visible impact

Plants produce their own beneficial “sunscreens” in response to UV-B. Supplying UV-B to greenhouse food crops can alter growth, increase nutritional value, and enhance flavor. By Michael Dzakovich It’s finally that time of year. The days are getting cooler and your

Michael Dzakovich September 5, 2016February 14, 2017 Supplemental lighting Read more

Grow greens with blue, red and far-red LEDs

Qingwu (William) Meng recently delivered an oral presentation at the 2016 American Society for Horticultural Science (ASHS) annual conference in Atlanta, GA. His talk was about how blue, red, and far-red radiation interacted to influence plant growth, morphology, and pigmentation.

lighthort August 19, 2016February 14, 2017 News, Sole-source lighting Read more

8th International Symposium on Light in Horticulture

By Qingwu (William) Meng and Joshua Craver GrowerTalks originally published this article in July, 2016. Picture 1. Dr. Kevin Folta from the University of Florida delivered a keynote presentation on the role of light in plant growth, development, and metabolism.

lighthort August 3, 2016February 14, 2017 News Read more

Evaluating different colors of LEDs to control flowering

Researchers at Michigan State University tested the effectiveness of various colors of LEDs. Read on to learn how they affected flowering. By Qingwu (William) Meng and Erik Runkle Greenhouse Product News (GPN) originally published this article in December, 2014. Flowering

lighthort July 31, 2016February 14, 2017 Photoperiodic lighting Read more

Choosing the right LEDs to regulate flowering

LEDs are increasingly being used by commercial greenhouse growers, but their spectra vary and sometimes there is confusion about their flowering application. By Qingwu (William) Meng and Erik Runkle Michigan State University Extension originally published this article in July, 2016.

lighthort July 21, 2016February 14, 2017 Photoperiodic lighting Read more

The light that disrupts sleep: from humans to plants

By Qingwu (William) Meng Like lots of millennials, I like to spend some time on a smartphone or tablet before going to sleep. It has been a habit deeply ingrained thanks to incredible advances in mobile technology. However, it brings about one negative side

lighthort July 17, 2016February 14, 2017 Photoperiodic lighting Read more

Can white LEDs control flowering?

By Qingwu (William) Meng and Erik Runkle Greenhouse Management originally published this article in October, 2015. When the natural days are short (October to March), lighting during the middle of the night (night interruption, NI) can create long days. The spectrum

lighthort July 15, 2016February 14, 2017 Photoperiodic lighting Read more
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Recent Posts

  • My experience in the Controlled-Environment Lighting Laboratory (so far)
  • Green light is more useful to plants than you might think
  • The National Floriculture Forum 2017
  • Canadian researchers advance supplemental lighting for the greenhouse industry
  • Using light to enhance the nutritional value of microgreens

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