Vegetative rescue of Cedrela fissilis Vell. by the rooting of cuttings from epicormic and canopy sprouts

ABSTRACT: Cedrela fissilis is a species of great genetic diversity, with low population density and seminal propagation, which causes difficulties in the vegetative propagation process. This research evaluated rescue stem cutting rooting originated from epicormic canopy sprouts C. fissilis. For this, induction was 52 days after complete girdling semi-girdling 20 40 cm ground, no treatment, during spring (2018), summer (2018) autumn (2019). The variables were, survival (%), sprouting number, length (cm) diameter (mm) sprouts. cuttings were made sprouts, divided two categories: 10 placed vertically pits 5 horizontally furrows. collected summer, then cut apical intermediate (15 cm). After 60 days, callus average number roots (cm). Results showed that only produced (average >67%) difference between heights, greater spring. planted presented higher percentage (44%) than furrows (17%). Cuttings had inconsiderable (apical - 2%; 0%). periods influences its use for more efficient rooting.