In C. bicolor BAP at 1.0 mg/L when used individually induced only multiple shoots. Addition of auxin (NAA/2,4-D) was necessary to evoke embryogenic response.
Among the different combinations of BAP and NAA/2-4,D tested, 34.40±0.40 somatic embryos with shoots shoot length 3.32±0.21 cm, root number 1.61±0.31 and length of
root 0.73±0.40 per seed derived protocorm was obtained on modified half strength MS medium supplemented with 1.0 mg/L of BAP and 2.0 mg/L of 2-4,D.