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Photosynthesis and Photomorphogenesis

Tuesday, 1 November 2016  | 

If you are unfamiliar with what photosynthesis is then it’s basically what enables plants to eat, plants require light to eat or they will starve and die even with a full nutrient compliment to their root zone. 

Photosynthesis converts light into chemical energy within the plant which then gives the plant fuel to perform certain activities, much like solar panels generating electricity to allow you to perform certain activities within the household.

Think of your leafs as your plants solar panels, the more leafs it has the more it can photosynthesize and therefore the more food it can absorb.


Chlorophyll A & B = Essential Photosynthetic Energy Production

Chlorophyll is a green pigment found in plants and is essential to photosynthesis, there are different types of chlorophyll but the ones we are interested in are chlorophyll  A (Universally used) and chlorophyll B (Used  by Plants), the spectral composition of the different wavelength regions from blue, green, yellow, red and IR is important for the shape, development and flowering of the plant and photosynthetic efficiency is primarily driven by chlorophyll a and b.

The amount of light affects the photosynthesis process in the plant. This process is a photochemical reaction within the chloroplasts of the plant cells in which CO2 is converted into carbohydrate under the influence of the light energy, so managing and maximizing the photosynthesis of your plants via our efficient led spectra ensures:

  1. Healthy vigorous growth stage:
    1. Thicker stalks and stems.
    2. Thicker and larger leafs.
    3. Less inter-nodal spacing.
  2. Superior bloom stage:
    1. Larger fruits and buds.
    2. Denser heavier fruits.
    3. Increased essential oil production, 20% - 40% more additional oil production than HPS.
Effect of the different wavelength regions on plants
Photosynthetic efficiency is mainly driven by chlorophyll a and b
Energy Driven
Phytochrome PFR and Plant Stimulation

Although stimulating the Phytochrome PFR can lead to increased oil content, flavour and aroma it not essential to achieve a good quality end result and high yield. However if you combine stimulation of phytochrome PFR and in 720nm - 730nm with photosynthetic stimulation of the red 650nm - 660nm range it is possible to again increase essential oil production in your plants.

As many of you are already aware Infra-Red led can sometimes be somewhat problematic as when driven to the same extremes as you red 660nm led’s it will inevitably overheat and fail, and if your led’s are wired incorrectly this can then lead to thermal runoff that will soon take down the rest of your light engine.

We steered clear of infra-red led’s for quite some time due to these problems and focused primarily on energy production.

Osram however have now produced a horticultural infra-red led to run in-line with the rest of their horticultural led family so it is now included in all G.O.D light engines.

Now we don’t want too much infra-red as this will lead the plant to think it is growing in the shade and therefore make you plants and inter nodal spaces stretch so it has to be carefully managed.

Photomorphogenic effects are mainly influenced by the phytochromes Pr and Pfr