Effect
Increased produce quality
Increased other
Optima Root treated common primrose, cv. Cabaret white, had a no significant increase in plant diameter, a no significant increase in plant height, a no significant increase in fresh weight, a no significant increase in plant quality score and a no significant decrease in root development score compared to the untreated control grown in the same growing conditions.
Trial details
indoor, greenhouse, grown in pots in substrate for bedding plants, optimal growing conditions
Belgium
Crop
Common primrose, Primula acaulis
Trial application
Method
Foliar spray
Timing
First application 2 weeks after transplantation, followed by a second 2 weeks later
Rate
10 mL/L
2024
Annual trial report Viaverda
Crop group
