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Table 4 Effects of TDZ and zeatin on direct somatic embryogenesis from leaf explants of Tolumnia Louise Elmore ‘Elsa’, when the explants were cultured in light condition for 90 days

From: Plant regeneration via direct somatic embryogenesis from leaf explants of Tolumnia Louise Elmore ‘Elsa’

Cytokinins Concentration (mg l−1) % of explants with somatic proembryos % of explants with somatic globular embryos % of browning
Hormone-free control 0 0 c 0 100.0 a
TDZ 1 10.0 abc 0 100.0 a
3 5.0 bc 0 100.0 a
Zeatin 1 25.0 ab 0 100.0 a
3 40.0 a 0 95.0 a
  1. Means within a column followed by the same letter are not significantly different according Duncan’s multiple range test at p ≤ 0.05 (Duncan 1955)