The effect of different hormones and incubation periods on in vitro proliferation of pineapple (Ananas comosus L.) Merr cv. smooth cayenne) shoot-tip culture.

Seven different hormone treatments, namely 6-benzylaminopurine (BAP) at 2, 3 mg L(-1) was applied singly and in combination with Indole Acetic Acid (IAA) at 0.18, 0.8 and 1.