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Published in Scientific Papers. Series B, Horticulture, Vol. LXV, Issue 1
Written by Paula BOBOC (OROS), Erzsebet BUTA, Corina CĂTANĂ, Maria CANTOR

Passiflora caerulea is a voluble ornamental plant appreciated in alternative medicine for its content in secondary metabolites. The aim of this research was to evaluate the influence of foliar fertilizers on the growth of biomass and ornamental characters in greenhouse-grown Passiflora, during 2019-2020. Thus, the Cropmax biostimulator and the mineral basic fertilizer Nutricomplex 20-20-20 were tested comparatively. Starting with the second week after transplanting the plant material into the soil, fertilizations were performed every 14 days, during the active growth and monthly during the winter. The plants were monitored for the main morpho-decorative characteristics, the results being interpreted statistically. The analysis of the recorded data shows that both treatments improved the growth of the tested plants compared to non-fertilized plants and the biostimulator Cropmax significantly influenced the growth of Passiflora caerulea plants compared to Nutricomplex 20-20-20.

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