Effect
No effect on drought stress tolerance
No effect on produce quality
BioAtlantis treated Hydrangea, cv. Phantom, grown in a peat-based substrate in drought stress conditions had 2 % longer branches, 14 % less branches, 3 % less fresh weight, 2 % more dry weight, a 2 % better root development, a 9.5 %higher chlorophyll-index, a 22.8 % lower flavonol-index, a 44.1 % lower anthocyanin-index and a 10.7 % higher stomatal conductance compared to the untreated control grown in the same conditions. No significant effects.
Trial details
Indoor, greenhouse, peat based substrate, drought conditions (20 % less irrigation)
Belgium
Crop
Hydrangea, Hydrangea paniculata
Trial application
Method
Foliar spray
Timing
First two applications at the early stage of vegetation at 10 days interval, followed by 2 applications just before the emergence of flower buds at an interval of 10 days
Rate
2 L/ha
2019
Bio4safe trial report Hydrangea 2019
Crop group
