After the first four weeks of culturing, the external leaf primordia of explants turned
green which were initially creamy white. The size of the explant also increased, while
blackening was observed at the base of the explant. This blackening of the explant may
be due to secretion of phenolic compounds. No multiplication was observed except in
culture No. 2 on which two shoots were observed. The results of shoot multiplication are
given in Table 1 up to fifth subculturing