Figure 1.

Tissue culture and minituber formation of potato (Solanum tuberosum): four-week-old in vitro plants multiplicated via nodal cuttings on basal medium (A), callus induction on internode cuttings placed on basal medium fortified with 1-naphthaleneacetic acid (NAA) at 0.186 mg L⁻¹ and 6-benzylaminopurine (BAP) at 2.25 mg L⁻¹ (B), shoot regeneration from calli on basal medium containing BAP at 2.25 mg L⁻¹ (C), rooting of regenerated shoots on basal medium supplemented with 0.1 mg L⁻¹ indole-3-butyric acid (IBA) and 0.5 mg L⁻¹ indole-3-acetic acid (IAA) (D), acclimation of regenerated plants (E), four-week-old acclimated plants (F) and minituber formation of acclimated plants (G).