Effect of serial harvesting of shoots on rooting ability of teak clones
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Rejuvenation of shoots through budding and serial harvesting was carried out to produce shoots for rooted cutting of 106 teak clones. 3-month-old budded seedlings were topped and leaf pruned to stimulate secondary shoots that used for rooted cutting. 1-month old secondary shoots were harvested and rooted cutting in non-mist propagators. Number of shoots per stock and rooting ability of each clone were recorded for 6 consequences shoot harvesting at 2 weeks interval. 1 month after propagating showed that rooting ability were high significantly (Pr(>F) = 0.489) difference among clones. 35 clones had high rooting ability averaged more than 60 percent, 56 clones had 40-60 percent, while 15 clones had less than 40 percent. Number of shoots per stock and rooting ability were high significantly affected by order of consequence shoot harvesting. Average number of shoots per stock were 0.85, 0.87, 0.74, 0.88, 0.70 and 0.60 shoots (not every stock plant produce shoot in every harvesting round) while rooting ability were 54.01, 44.37, 19.68, 63.87, 81.90 and 73.63 percent for 1st to 6th shoot harvesting respectively. Number of shoots per stock increased from 1st until 4th cut and then decreased when 5th and 6th cut. Later harvesting trended to increase rooting ability.
Keywords: Teak, serial harvesting of shoots, rooted cutting, Rejuvenation, clone
ID: 3486299