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LED
in lettuce cultivation

Testing Station for Olericulture

(PSKW)

 

Flemish growers were interested in the energy savings that LED can give, but they were also curious about how the growth of the lettuce varieties can be influenced. Particularly important parameters are the red coloration, the incidence of edge burn and the head weight.

Testing Station for Olericulture, Belgium

Important 
quality improvements,

better red coloration and reduced edge burn”


- Isabel Vandevelde, supervisor PSKW

Testing Station for Olericulture, Belgium
Testing Station for Olericulture, Belgium

The right lighting

 

The Testing Station for Olericulture (PSKW) supports the vegetable production sector in its efforts to bring about developments leading to an innovative, competitive and sustainable position in horticulture. The trial was conducted in two identical adjacent greenhouses covering an area of over 200 m2. When lit, these greenhouses were separated from one another by a light-tight screen.

 

The red lettuce varieties showed better red coloration in the LED greenhouse in the winter (December-March) than the ones in the reference greenhouse. The red coloration was evaluated up until March on the basis of a color chart. No difference was observed between the red coloration of the lettuce with the high blue LED treatment and the ‘normal’ LED treatment.

 

“In addition, in four of the six harvests in which there was damage from edge burn, less edge burn was observed in the LED greenhouse. Besides improved red coloration, the Red Oakleaf lettuce was also more compact, with the same head weight, and the Lollo Rossa in the LED greenhouse was heavier by a significant amount of 20 grams”, says Isabel Vandevelde, supervisor of the trial.

Philips GreenPower LED toplighting

Philips GreenPower LED toplighting

Philips is introducing an LED-based toplighting solution for greenhouse growers, easy to install and no need for water cooling systems.

View product

 

Important quality improvements

The Team

Testing Station for Olericulture (PSKW)

Horticulturalist

Mais

Philips LED Horti partner

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