Glandular trichome development of rooted shoots in RTM with NAA ± BAP or in SHM. a GLTs under a confocal microscope; in RTM mature leaf image white circle glandular GLT (GLT), white arrow filamentous trichome, bar 250 μm. b GLT population density, c GLT size, d percent leaf surface occupied by GLTs. Black mature leaves, white young leaves. For comparison between mature leaves in RTM versus NAA, BAP or Both a, b; for young leaves c, d. For comparison between mature leaves in SHM and Both w, x; for young leaves y, z. RTM rooting medium, SHM shooting medium; NAA, RTM + 0.25 μM NAA; BAP, RTM + 2.5 μM BAP; Both, RTM + 0.25 μM NAA + 2.5 μM BAP