Response of vegetative development of Stevia in nursery conditions with the application of Pectimorf and Radix-P

Abstract

To know the response of the vegetative development of Stevia rebaudiana Bertoni under nursery conditions, in an organoponic plant in Cienfuegos, with the application of oligogalacturonides - Pectimorf and Radix-P, an experiment was carried out in a completely randomized design for three treatments with the doses recommended by manufacturers (I-Pectimorf, II-Radix-P and Witness). Morphological variables of the aerial part and roots were sampled every 15 days from 30 to 75 days by destructive sampling. The cuttings reached 88.3% survival at the experiment level. The asexual propagation of Stevia up to 75 days with the inclusion of Radix and Pectimorf does not influence the number of branches, number of leaves, and height, but the values of the leaf area and weight of the leaves are greater concerning the witness. The highest values of the number and area of the rootlets were found with the inclusion of Radix, which for the weight of the rootlets was higher against the control; but without differences between the two remaining treatments. 

Keywords: Asexual, Foliar, Oligogalacturonides, Propagation, Radical.