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Vigor L Rapido

Type: Protein hydrolysate, Company: Hydrofert


Increased produce quality

Vigor L Rapido treated Lily, cv. Brindisi, grown in a greenhouse had on average a 4.5 % shorter crop cycle, were 0.6 % taller (not sign), had 6.5 % less leaves (not sign), had a 17.6 % bigger leaf area with 6.3 % more chlorophyll, 25.7 % less flower buds, a 10.5 % bigger bud diameter, 17.7 % longer roots, 8.4 % less stem fresh and 12.8 % more stem dry weight,  4.8 % more leaf fresh (not sign) and 9 % more leaf dry (not sign) weight, 10.1 % less buds fresh (not sign) and 0.5 % more buds dry weight (not sign), 13.2 % more bulb fresh (not sign) and 29.2 % more bulb dry weight, 42.5 % more bulb roots fresh and 62.3 % more bulb roots dry weight and 57.5 % more stem roots fresh and 86.3 % more stem roots fresh dry weight as compared to the untreated control. (for some parameters the foliar application gave better results, for other parameters the results were the same for both application methods)

Trial details
indoor, greenhouse, PVC pot filled with perlite, usual cultivation


Lily, Lilium longiflorum

Trial application

Foliar spray or soil drench
First application at 10 leaves stage, followed by 7 application with a weekly interval till flower bud differentiation
1.5 g/L soluted in distilled water; Foliar spray till dripping; Soil drench 150 mL/pot
De Lucia, B., & Vecchietti, L.
Type of Bio-Stimulant and Application Method Effects on Stem Quality and Root System Growth in L.A. Lily
Crop group