In controlled environment plant growth chambers, electric lamps provide photons necessary to drive photosynthesis. In order to determine the most productive, energy efficient, and safest way of providing light to plants for a given application, new lighting technologies are being evaluated by various researchers. Light-emitting diodes (LEDs) represent an innovative lighting source with several appealing features specific for supporting plants whether on space-based transit vehicles or planetary life support systems. For this study, there was specific interest in Swiss chard (Beta vulgaris L. cv. ‘Ruby Red Rhubarb') because these plants are among “salad-type” species chosen for early mission testing on Space Station. Of particular interest, were the growth dynamics and gas exchange characteristics of Swiss chard grown under red LEDs at narrow wavebands, which give different ratios of blue quanta to far-red photons. These types of studies are important for understanding basic plant responses to artificial lighting systems in tightly controlled plant growth systems, and ultimately, for future considerations for space missions.
Growth, Stomatal Conductance, and Leaf Surface Temperature of Swiss Chard Grown Under Different Artificial Lighting Technologies
Sae Technical Papers
International Conference On Environmental Systems ; 2002
2002-07-15
Aufsatz (Konferenz)
Englisch
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