THE INFLUENCE OF LIGHT WITH MODIFIED SPECTRUM ON PHOTOSYNTHETIC INTENSITY
Journal Title: Proceedings of Electrotechnical Institute Prace Instytutu Elektrotechniki - Year 2015, Vol 62, Issue 268
Abstract
In recent years, the use of LED lamps built with diodes emitting narrow spectral range, rapidly grows. One of the main advantages of this technology is the ability to compose lamps of new spectral composition with LEDs of different colors. It is known that various species of plants during evolution adapted themselves to the habitat of differing spectral composition of the light. However, there is little information on the light sources which can be composed with commercially available LEDs and fitted to specific plant species. The experiments were carried out on Clusia multiflora, Pelargonium zonale and Coleus blumei. The study began by assessing the optical properties of a number of plant species. On this basis the light requirements were specified and used to match the spectral illumination. The spectra ware tested using an IRGA gas analyzer and multicolor actinic light fluorometer. Specific spectrum characterized with the highest yield of photosynthesis for each plant species were composed.
Authors and Affiliations
Maciej Kocurek, Jan Pilarski
Keywords
Related Articles
- EP ID EP68524
- DOI -
- Views 110
- Downloads 0
EVALUATION OF PAINT SUITABILITY PROVIDED FOR PAINTING THE INSIDE OF ULBRICHT’S SPHERE
In photometry, in order to measure luminous stream, photometric integrators are used. They are usually spherical in shape and their interior is covered with white paint. The paint must meet requirements of norms and stan...
AGEING RESEARCH OF BARRIER MATERIALS
In the paper research over influence of temperature and humidity on to surface resistance of barrier material has been shown. Those materials are composites consisting of polypropylene substrate in the form of nonwoven f...
THE COMPARISON OF PRACTICAL AND ECONOMICAL ASPECTS OF UTILIZATION OF VARIOUS LIGHT SOURCES
The diversity of the properties of available light sources, such as: the energy consumption, expected lifetime and the price, can be a problem in terms of selection process of the most suitable product. In order to obtai...
THE INFLUENCE OF LIGHT WITH MODIFIED SPECTRUM ON PHOTOSYNTHETIC INTENSITY
In recent years, the use of LED lamps built with diodes emitting narrow spectral range, rapidly grows. One of the main advantages of this technology is the ability to compose lamps of new spectral composition with LEDs o...
BADANIA WŁAŚCIWOŚCI OCHRONNYCH PRZED PROMIENIOWANIEM ULTRAFIOLETOWYM WYROBÓW WŁÓKIENNICZYCH
Istotnym elementem ochrony skóry przed nie-korzystnym wpływem promieniowania ultrafioletowego jest odzież. Właściwości barierowe dla promieniowania UV wyrobów włókienniczych mogą być poprawione poprzez odpowiednią, kieru...