Effect of different concentrations of IBA on rooting of Guava Psidium guava L. in low tunnel under shady situation
2016
Kareem, Abdul | Manan, Abdul | Saeed, Shafqat | Rehman, Shoaib Ur | Shahzad, Umbreen | Nafees, Muhammad
Softwood cuttings of gola variety of guava were successfully rooted by quick dip method of dipping the basal ends of the cuttings in mixture of indole-3-butyric acid in low tunnel under shady situation. The treated lots in every instance had a greater percentage of rooted cuttings with a higher number of roots per cutting as produced by control. Cuttings were dipped for 5 s in mixture of 0, 2000, 4000, 6000, and 8000 ppm of IBA. The data showed a significant positive effect of different IBA concentrations on the guava establishment. The rooted soft wood cuttings were assessed for days to sprout, sprouted cuttings, sprouting percent, average number of roots per cuttings, average root length and survival percent. In present studies among all the IBA concentration, IBA (4000 ppm) showed highest results in terms of days to sprout (22.00), sprouted cuttings (40.11), sprouting percent (68.22), average number of roots per cutting (31.65), average root length (31.65) and survival percent (57.82) respectively. In absence of indole-3-butyric acid treatment, cuttings had not rooted. We suggest that the use of softwood cuttings tested associated to indole-3-butyric acid as quick dip for 5s may be beneficial to commercial propagators with well-developed root system. The development of healthier plants after hardening under in vivo conditions showed that guava could be effectively propagated by this cheapest and soft wood cuttings technique.
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