Scholarly record
RESULTS REGARDING THE EFFECT OF CUTTING LENGTH ON THE ROOTING PERCENTAGE WITHCAMPSIS RADICANS
Abstract
Campsis radicans is part of the Bignoniaceae family and has the appearance of a deciduous vine almost always green. It can reach up to 12 m in length, its leaves are a shiny, dark green and its flowers display a yellow ? orange colour, sometimes tending towards red, with a tubular form, 8 cm long and approximately 4 cm wide. During the experiment, we monitored the influence of cutting length on the cutting rooting rate, the main purpose being the analysis of the influence of the three experimental factors (sublayer, stimulator and planting period). During the study, we observed that the stimulators, as well as the sublayer or the experimental period, had a real and very strong, statistically insured influence on the rooting of Campsis cuttings, on the background of an inter-individual homogeneity at the level of the experimental device. Sublayers had higher significant contributions (69.55 %) than stimulators (7.66 %) and periods (2.65 %) to the total variability registered at the experiment level. Statistically insured influences on root formation with the cuttings of this species were manifested by the various interactions between the three factors. Taking into account the three cutting categories, average values for the rooting process were registered with Campsis radicans, ranging from 20 % for the ones with a 20 cm length to 67.50 % for the 12 cm long ones. As such, 12 cm long cuttings were the most efficient ones in the rooting of Campsis radicans cuttings, offering the possibility to achieve very significant superior values with 17.92 % when compared to 16 cm long cuttings, and with 47.50 % when compared to the 20 cm long ones. 16 cm cuttings favoured a rooting percentage increase of 29.58 % when compared to 20 cm long cuttings.
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References9
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