Propagation of Guava Stem Cuttings through Different Concentrations of Indole Butyric Acid
Propagation of Guava Stem Cuttings through Different Concentrations of Indole Butyric Acid
Zahoor Ahmad* and Muhammad Sajid
ABSTRACT
Guava cutting propagation is a very difficult phenomenon; for this reason, appropriate stem portion and different concentrations of IBA due to its known rooting ability were optimized. The present experiment titled “Propagation of guava cv. Safeda stem cuttings through different concentrations of indole butyric acid” was conducted in the lath house of Agricultural Research Institute Tarnab, Peshawar during the years 2017-18. The experiment was laid out in split plot arrangements in RCBD replicated three times with 30 cuttings per replication. In this study IBA, (0.0%, 0.2%, 0.4%, 0.6% and 0.8%) allotted to main plot and guava stem cuttings (soft, semi-hard, and hardwood) were subjected to subplot. The analyzed data showed that the application of IBA concentration at 0.4% significantly increased sprouting percentage (63.84%), number of leaves per plant (13.00), number of roots per plant (10.80), average root length per plant (10.53 cm), number of shoots per plant (3.56), survival percentage (35.62%) and minimize days to sprouting (24.44). Similarly, most of the studied attributes were also significantly influenced by various types of guava stem cuttings for propagations. However, the maximum sprouting percentage (70.55%), number of leaves per plant (13.27), number of roots per plant (9.80), average root length per plant (9.00 cm), number of shoots per plant (3.67) and survival percentage (40.66%) were recorded for softwood cuttings. Whereas the minimum days to spouting (26.20), sprouting percentage (52.75%), number of leaves per plant (9.53%), number of roots per plant (8.87), average root length per plant (8.87 cm), number of shoots per plant (2.60 cm), and survival percentage (27.97%) were recorded in plants propagated through hardwood cuttings. It is concluded that guava cv. Safeda should be propagated through softwood cutting with application of 0.4% IBA concentration. However, it is cost-effective and justifies the propagation of guava through softwood cuttings.
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