HERBACEOUS CUTTING PROPAGATION OF OREGANO

Abstract

The present work was conduced to study the rooting of herbaceous cutting of oregano with different length and different regions of branch. Two experiments were carried out, one to study the effect of herbaceous cutting length (3, 6 and 9 cm), that were collected from apical region of the branch, and other to study the effect of region of the branch (apical, middle and basal), with cuttings of 3 cm. The delineation was entirely randomized for both experiments with 5 replications and each plot had 24 cuttings. The cutting was made in polystyrene trays expanded with 128 cells, with commercial substrate Plantmax HT®. After 35 days the experiments were evaluated. The cutting length didn’t affect the rooting, that resulted in 96.5%, also didn’t affect the fresh and dry mass of roots per cutting and the number of shoots (11.4). The cuttings with 3 cm showed the biggest growth (312.6%), obtained the same height that bigger cuttings. The cuttings formed from apical region of the branch showed the high rooting rate (98.3%) and they showed the greatest number of shoots per cutting (7.8), height of plants (11.6 cm) and fresh and dry mass of shoots and roots. It is recommended to vegetative propagation of oregano the use of apical herbaceous cutting with 3 cm of length.