![]() ![]() ![]() Wounded stems were 162% more likely to root than unwounded stems and rooted 1.5 days earlier. Cultivar Ghost Train Haze stems rooted most frequently and most quickly. Canopies were denser under T5 because petiole length was ~30% shorter under T5 and fan leaves were longer and narrower under MH+FR and MH+FR and PL, respectively, than under other lighting conditions. However, growing mothers under MH+FR were 19% taller than mothers under T5, with ~25% longer internodes on dominant stems than plants under any other lighting condition. Mothers grown under T5 and MH (vs MH+FR) produced ~30% more meristems. ‘Bubba Kush’, ‘Ghost Train Haze’, ‘Headband’). ![]() To evaluate the influence of lighting, cutting tool (secateurs or scalpels), and stem wounding (present/absent) on optimal rooting of stems, three lighting conditions (Fluorescent T8s, T5, PL) were applied to three cultivars of peat pellet grown plants ( C. ‘Bubba Kush’, ‘Ghost Train Haze’) grown in peat-based organic substrates in mylar grow tents. To evaluate the influence of lighting treatments on the optimal production of branching mothers, four lighting conditions (Fluorescent High Output T5s, Metal halide lamps, Plasma lamps, or Metal halide lamps augmented with far red LED lights ) were applied to two cultivars of container grown plants ( Cannabis sativa L. Here, we measured the role of environmental conditions and cultivar identity on the success of generating long branch material with many meristems in planting stock (mothers) and in rooting success of stem-derived clones. In part, horticultural operations are limited by the success of cloning procedures. The burgeoning cannabis market requires evidence-based science such that farmers can quickly and efficiently generate new plants. ![]()
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