Influence of Culture Substrates and Biostimulators on Passiflora Rooting
2020
Paula BOBOC (OROS) | Corina CATANA | Tincuta GOCAN | Gelu MOLDOVAN | Zsolt SZÉKELY-VARGA | Maria CANTOR
Passiflora quadrangularis and Passiflora caerulea commonly known as passion flower are two voluble species appreciated for their impressive flowers and delicious fruits. The aim of the presented experiment was to compare the effect of different rooting substrates (vermiculite, peat+vermiculite, peat+pearlite, peat+sand) and biostimulators (Radistim-2; Incit-8, IBA 1000 ppm and control - untreated cuttings) on the rooting of stem cuttings from P. caerulea and P. quadrangularis. Stem cuttings of approximately 15 cm length were harvested from the medial portions of the shoots from mature plants. Regarding the rooting rate by species, it has been found that P.caerulea obtained a 79.78% cuttings rooting average compared to P. quadrangularis which had a rooting average of 74.57%. Vermiculite and the treatment with IBA 1000 ppm highly influence the length and number of roots. Establishing the most suitable measures for vegetative propagation by cuttings of Passiflora species studied could lead to the expansion of their culture in our country.
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