Floriculture Area of
      Expertise (AoE)

 
 

Programs and Meetings

 

Other Information

 

 

 

 

 

 

 

Managing Greenhouse Light

 

 

For specific information on light responses of annual bedding plants or herbaceous perennials, click on those topics.  To learn more about light-emitting diodes (LEDs), visit our website focused on Developing LED Lighting Technologies and Practices for Sustainable Specialty-Crop Production.

assets/PdfAttachments/_resampled/photothumb-Control-flowering-with-LEDs-II.jpg
Control flowering with LEDs
Q. Meng & E. Runkle
(Mar. 2014)
assets/PdfAttachments/_resampled/photothumb-LEDs-pt2Page1.jpg
Growing seedlings under LEDs, part 2
H. Wollaeger & E. Runkle
(Feb. 2014)
assets/PdfAttachments/_resampled/photothumb-LEDs-pt1Page1.jpg
Growing seedlings under LEDs, part 1
H. Wollaeger & E. Runkle
(Jan. 2014)
assets/PdfAttachments/_resampled/photothumb-Lighting-settings.jpg
Turning on/off supplemental lighting
E. Runkle
(Oct. 2013)
assets/PdfAttachments/_resampled/photothumb-Footcandles-lux-lumens.jpg
Problems with footcandles, lux and lumens
E. Runkle & B. Bugbee
(Sep. 2013)
assets/PdfAttachments/_resampled/photothumb-Managing-photoperiod.jpg
Managing photoperiod in the greenhouse
C. Currey, R. Lopez & E. Runkle
(Mar. 2013)
assets/PdfAttachments/_resampled/photothumb-Lighting-plugs.jpg
Lighting plugs at different growth stages
E. Runkle
(Jan. 2013)
assets/PdfAttachments/_resampled/photothumb-Maximizing-photosynthesis.jpg
Maximizing photosynthesis to improve growth
E. Runkle
(Dec. 2012)
assets/PdfAttachments/_resampled/photothumb-Light-sensors.jpg
Which light sensor should I use?
E. Runkle
(Sep. 2012)
assets/PdfAttachments/_resampled/photothumb-Replacingincandescentlamps.jpg
Replacing incandescent lamps
E. Runkle
(Aug. 2012)
assets/PdfAttachments/_resampled/photothumb-LightingwithLEDs.jpg
Lighting the way with LEDs
E. Runkle
(July 2012)
assets/PdfAttachments/_resampled/photothumb-Lightingvegetables.jpg
Lighting greenhouse vegetables
E. Runkle
(Dec. 2011)
assets/PdfAttachments/_resampled/photothumb-RFRRatio.jpg
The red to far red ratio
E. Runkle
(May, 2011)
assets/PdfAttachments/_resampled/photothumb-SaturatingDLIs.jpg
Saturating DLIs for flowering
E. Runkle and M. Blanchard
(Feb. 2011)
assets/PdfAttachments/_resampled/photothumb-DLI-and-annualsPage1.jpg
Daily light integral & flowering of annuals
M. Blanchard & E. Runkle
(Nov. 2010)
assets/PdfAttachments/_resampled/photothumb-Futureoflighting.jpg
The future of greenhouse lighting
E. Runkle
(Sep. 2010)
assets/PdfAttachments/_resampled/photothumb-CorrectingHPSproblems.jpg
Correcting problems with HPS lamps
E. Runkle & B. Bugbee
(June 2010)
assets/PdfAttachments/_resampled/photothumb-LightingYoungPlants.jpg
Supplemental lighting guidelines for young plants
E. Runkle
(Jan. 2010)
assets/PdfAttachments/_resampled/photothumb-Strategiesforsupplementallighting.jpg
Strategies for supplemental lighting
E. Runkle
(Nov. 2009)
assets/PdfAttachments/_resampled/photothumb-LEDsinfloriculture.jpg
LEDs in floriculture
E. Runkle
(June 2009)
assets/PdfAttachments/_resampled/photothumb-CyclicHPSlamp.jpg
Manipulating light in the greenhouse
M. Blanchard and E. Runkle
(June 2009)
assets/PdfAttachments/_resampled/photothumb-ProvidingLDwithCFLsPage1.jpg
Providing long-days with CFLs
S. Padhye & E. Runkle
(Mar. 2009)
assets/PdfAttachments/_resampled/photothumb-Tipsforusinglightsensors.jpg
Tips for using light sensors
E. Runkle
(Jan. 2009)
assets/PdfAttachments/_resampled/photothumb-Whatisyourphotoperiod.JPG
What is your photoperiod?
E. Runkle
(Sep. 2008)
assets/PdfAttachments/_resampled/photothumb-Greenhouseshadingoptions.jpg
Greenhouse shading options
E. Runkle
(Mar. 2008)
assets/PdfAttachments/_resampled/photothumb-Limitedinductivephotoperiod.jpg
LIP it! (Limited inductive photoperiod)
E. Runkle
(Jan. 2008)
assets/PdfAttachments/_resampled/photothumb-Cycliclong-daylighting.jpg
Cyclic long-day lighting
E. Runkle
(Dec. 2007)
assets/PdfAttachments/_resampled/photothumb-Maximizingsupplementallighting.jpg
Maximizing supplemental lighting
E. Runkle
(Nov. 2007)
assets/PdfAttachments/_resampled/photothumb-Lightqualitydefined.JPG
Light quality defined
E. Runkle
(June 2007)
assets/PdfAttachments/_resampled/photothumb-Benefitsoflightedplugs.jpg
The benefits of lighted plugs
E. Runkle
(Mar. 2007)
assets/PdfAttachments/_resampled/photothumb-Providinglongdays.jpg
Providing long days
E. Runkle
(Jan. 2007)
assets/PdfAttachments/_resampled/photothumb-DoyouknowwhatyourDLIis.jpg
Do you know what your DLI is?
E. Runkle
(Dec. 2006)
assets/PdfAttachments/_resampled/photothumb-Dailylightintegraldefined.jpg
Daily light integral defined
E. Runkle
(Nov. 2006)
assets/PdfAttachments/_resampled/photothumb-Lightitup.jpg
Light it up!
E. Runkle
(July 2006)
assets/PdfAttachments/_resampled/photothumb-Managinglightduringpropagation.JPG
Managing light during propagation
R. Lopez & E. Runkle
(June 2005)
assets/PdfAttachments/_resampled/photothumb-10lightingtipsPage1.jpg
10 lighting tips to help your bottom line
P. Fisher & E. Runkle
(Apr. 2005)
assets/PdfAttachments/_resampled/photothumb-Controllingphotoperiod.jpg
Grower 101: Controlling photoperiod
E. Runkle
(Oct. 2002)

Other Floriculture Crop Production Information pages:

 
 

 
 

  Copyright © 2014, Department of Horticulture, Michigan State University.

  This page was last edited Feb 28, 2014.
  Please send your comments to Dr. Erik Runkle runkleer@msu.edu

MSU is an affirmative action, equal opportunity employer. Michigan State University Extension programs and materials are open to all without regard to race, color, national origin, gender, gender identity, religion, age, height, weight, disability, political beliefs, sexual orientation, marital status, family status, or veteran status. Issued in furtherance of MSU Extension work, acts of May 8 and June 30, 1914, in cooperation with the U.S. Department of Agriculture. Thomas G. Coon, Director, MSU Extension, East Lansing, MI 48824. This information is for educational purposes only. Reference to commercial products or trade names does not imply endorsement by MSU Extension or bias against those not mentioned.