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Callus tissues and callus induction in the MS medium containing (kinetin (0.5 mg/L), 2,4-D (0.1 mg/L), NAA (0.1 mg/L), and IBA (1 mg/L) as plant growth regulators (PGRs) and 3% (w/v) sucrose; (1) callus induction of T. vulgaris (interval 7 days) and (2) callus induction of O. basilicum in different growth stages (interval 7 days).
