Propagação vegetativa via estaquia de Duranta repens L. (Pingo-de-ouro), com aplicação de Tiamina.

Abstract

By virtue of the potentiality and use of pingo-de-ouro (Duranta repens L.) in public and private roads, for your ornamental aspect, serving as embroidery for stonemasons, walls and catwalks, that work had as objective, to investigate the capacity of to take root of the stakes of pingo-de-ouro, starting from the application of tiamina, extracted of the tablet of Benerva, submitted to different substrate and amounts of leaves with stakes of 5 and 10 centimeters. The experiment was accomplished in the period of April to June of 2004, being led at the house of vegetation of located COODETEC in Cascavel city - Pr. The experiment was led entirely in casual lines with 16 treatments and 5 repetitions, totaling 320 samples. After 70 days of the planting, they were appraised the following variables: rooted stakes, a number medium of roots for stake and medium length of the roots for stake. It was verified that the experiments led without tiamina, in substratum of sand and of verrniculita they don't offer significant results with relationship to the development and to take root of the stakes. However, in the experiments with tiamina submitted to the substratum of sand and stakes.