Effect
No effect on nitrogen N use efficiency
No effect on produce quality
Phylgreen treated Hydrangea, cv. Phantom, grown in a peat-based substrate in reduced nitrogen conditions had 3 % longer branches, 3 % less branches, 2 % less fresh weight, 2 % more dry weight, 4 % better root development, a 2.3 % lower chlorophyll-index, a 7 % higher flavonol-index and a 41.8 % higher anthocyanin-index compared to the untreated control grown in the same conditions. No significant effects.
Trial details
Indoor, greenhouse, peat-based susbstrate, reduced nitrogen (-20 %)
Belgium
Crop
Hydrangea, Hydrangea paniculata
Trial application
Method
Foliar spray
Timing
Every 15 days
Rate
1.5 L/ha
2019
Bio4safe trial report Hydrangea 2019
Crop group
