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  • Title: An efficient regeneration and rapid micropropagation protocol for Almond using dormant axillary buds as explants.
    Author: Choudhary R, Chaudhury R, Malik SK, Sharma KC.
    Journal: Indian J Exp Biol; 2015 Jul; 53(7):462-7. PubMed ID: 26245032.
    Abstract:
    An efficient in vitro protocol was standardized for Almond (Prunus dulcis) propagation using dormant axillary buds as explants. Explants were cultured on Murashige and Skoog (MS) and woody plant medium (WPM) supplemented with different concentration/combination(s) of phytohormones. MS basal medium showed lowest shoot induction and took longest duration for shoot initiation. Multiple shoots were induced in MS medium supplemented with the combination of BAP (0.5 mgL(-1)). Cultures showed poor response for rooting in all combinations of plant growth regulators (PGRs) and took 90 days for initiation. Rooting was higher in half strength of MS than in full-strength. The highest root induction (33.33%) was recorded in half MS medium supplemented with 0.1 mgL(-1) IBA (indole-3-butyric acid) followed by full strength of MS medium (20%) supplemented with IBA (0.1 mgL(-1)). α-Naphthalene acetic acid (NAA) was less effective for rooting than IBA. The highest root induction (25%) was found in half strength of MS medium supplemented with 0.1 mgL(-1) NAA followed by full strength of MS medium (20%). The protocol developed would be of use in mass propagation of almond and also support in vitro conservation.
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