Naznin, Most Tahera
- McGill University
Abstract
Light emitting diodes (LEDs) can be selected to target the wavelengths absorbed by plantlets, enabling the users to customize the wavelengths of light required for maximum production. The primary purpose of this experiment was to test the effect of different ratios of red to blue LEDs on tomato plantlets photosynthetic action spectrum. Four light treatments including: red LED (100%) and three ratios of red (661 nm) to blue (449 nm) light (5:1, 10:1 and 19:1) at 60 umol m(-2) s(-1) for this study. The tomato plantlets cultured without blue light showed a three and half-fold decrease in photosynthesis rate. The highest photosynthetic action spectrum was observed at 10:1 but was not significantly difference from the 5:1 and the lowest action spectrum was observed at 100% red LED light. The tomato plantlets grown without the blue light showed a single-fold increase in plantlet height but were not significantly different from the 10:1 red to blue LED light. This research will allow for improved selection of LED lighting for plant tissue culture.
Keywords
light-emitting diode (LED); plantlets; photosynthesis; action spectrum
Published in
Proceedings of SPIE
2014, volume: 9216
Title: Optics and Photonics for Information Processing VIII
Publisher: SPIE
Conference
SPIE Optical Engineering + Applications, Optics and Photonics for Information Processing VIII
SLU Authors
UKÄ Subject classification
Plant Biotechnology
Horticulture
Food Science
Publication identifier
- DOI: https://doi.org/10.1117/12.2061236
- ISBN: 9781628412437
Permanent link to this page (URI)
https://res.slu.se/id/publ/91921