No effect on drought stress tolerance
No effect on produce quality
SeaMelPure treated Hydrangea, cv. Phantom, grown in a peat-based substrate in drought stress conditions had 8 % longer branches, 5 % less branches, the same fresh weight, 7 % more dry weight, a 10 % better root development, a 2.1 %higher chlorophyll-index, a 2.8 % lower flavonol-index, a 13.7 % lower anthocyanin-index and a 5.7 % lower stomatal conductance compared to the untreated control grown in the same conditions. No significant effects.
Indoor, greenhouse, peat based substrate, drought conditions (20 % less irrigation)
Hydrangea, Hydrangea paniculata
1 application 2 weeks after planting
Bio4safe trial report Hydrangea 2019