Plant growth regulators nonhuman 4 Article 3 controlled study 3 plant growth 3 plant regeneration 3 6 n benzyladenine 2 callus (plant) 2 germination 2 in vitro study 2 micropropagation 2 phytohormone 2 plant parameters 2 plant tissue culture 2 shoot 2 sucrose 2 1 naphthylacetic acid 1 2,4 dichlorophenoxyacetic acid 1 2,4-Dichlorophenoxyacetic acid 1 6-Benzylaminopurine 1 Agrobacterium-mediated transformation 1 Amino acid 1 Ananas comosus L. Merr 1 Barringtonia 1 Barringtonia racemosa 1 Bio-ethanol production 1 Biochemistry 1 Bioethanol 1 Callus induction 1 Carbon fixation 1