Plant Physiology
The study and understanding of the interrelation of optical radiation and plants, seeds and soil is critically important for our existence. Research and control of biochemical factors require a precise and predictable measurement technology.
The absorption of optical radiation in the range of wavelengths between 300 nm and 930 nm initiates photochemical reactions in plants that are essential for plant growth. The three most important reactions of plants to optical radiation are: Photosynthesis, Phototropism, Photomorphogenesis.
The effect of radiation of various wavelengths on the growth processes taking place within plants can be represented in a number of ways. The rate of photosynthesis is defined as the ratio of the quantity of assimilated carbon dioxide (CO2) molecules to a suitable radiation input quantity. These quantities are:
• irradiance in W/m2 (radiant power per unit area of the irradiated object)
• or the photosynthetic photon irradiance Ep,sy (quantum flux density)
Gigahertz-Optik has developed suitable detector heads.
Additional information from our Products section:Plant Physiology Actinic Irradiance Detector Heads: PS-37 Series
Optometer: P-9710
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