Explants with PGR induced multiple shoot initials were fixed
in FAA solution (50% ethanol: 40% formalin: acetic acid,
90:5:5 v/v/v) and directly taken to hand sectioning [13].
Dehydration in ethanol series was neglected due to severe level
of tissue shrinkage. The fixed tissues were manually sectioned
longitudinally using several fine blades and immediately
stained with 1% safranin. The handmade fine, clear sections
were then observed under a triangular compound microscope
(Kyowa, Tokyo) and photographed using Full HD Cybershot
Sony camera.