Fig. 10: Number of clusters at strawberry plants

4.2.4 Number of clusters

The number of clusters with flowers and / or fruits increased until the beginning of the harvest and decreased after that when all fruits from a cluster were harvested. The

development (increasing and decreasing) of plants in the LED chamber was a bit behind of the plants in the HPS chamber (Fig. 10).

Fig. 10: Number of clusters at strawberry plants.

4.2.5 Open flowers / fruits per cluster

The number of open flowers / fruits per cluster reached about 12 for Sonata and 9 for Magnum (Fig. 11). After that, the number decreased naturally due to harvested fruits. The peak was delayed at the LED treatment compared to the HPS treatment (Fig. 11).