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RESEARCH ON THE INFLUENCE OF ROOTING STIMULANTS AT PARTHENOCISSUS QUINQUEFOLIA IN DIFFERENT CROP CONDITIONS

Phd student Marian Gabriel Jeberean, Prof. Maria Bala, Associate Professor Cristian Berar, Asist.Cristina Elena Tota, Asist.Marius Silivasan

Abstract

These researches were conducted in the greenhouses resort didactics of the faculty of Horticulture and Forestry in Timisoara, using cuttings of Parthenocissus quinquefolia that were purchased from the mother plant from the same location. Four substrates were used for rooting namely sand, peat, perlite, perlite + peat, the cuttings were planted and treated with rooting substance of Atonic and Radistim. During the study was monitoring the rate of rooting of cuttings, aiming at influence of substrates and rhyzogene substances. Based upon the analysis of variance is noted that all factors stimulatory and substrate that also showed a real and powerful influence on rooting cuttings statistically assured Parthenocissus quinquefolia, amid at the level interindividual homogeneity of experimental device. Under the influence of the two stimulators, the percentage of rooting of the cuttings registered a 16.33% amplitude values between 48% when applying treatments with Atonik and 64.33% when using Radistim. In general the entire experience with Radistim treatment was more effective leading to a considerable and very significant increase of the percentage of rooted cuttings in comparison with Atonik treated. Given the effect of the two stimulators rooting cuttings on four substrates, it is noted that, applying the treatment with Atonik the variability between the average results for the various substrates was higher, indicating a stronger interaction between the substrate and said treatment. The average values of the percentage of rooting on cuttings treated with Atonik and grown on four substrates ranged from 26.67% at the peat simple and 69.33% for the mixture of perlite + peat, due to a high variability (s% = 45.36). Perlite + peat substrate efficiency of this treatment on rooting cuttings were significantly higher, favoring the recording of very significant increases of 42.66% compared Peat substratum. Also the basis substrate simple Perlite rooting was more favorable compared to sand and peat substrates, showing very significant increases of 32 to 37.33%. Adding peat in the perlite substrate allowed a slight reduction of the percentage of rooting with insignificant of 5.33%.

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DOI resolver: doi.org/10.5593/sgem2017/61/s25.120

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