Gehlot, A. Arya, I.D. Arya, S. Gupta, R.K. Tripathi, A. Sharma, S.K. Role of tryptophan on in vitro rooting in microshoots of Azadirachta indica A. Juss (Neem) Subjects--Topical Terms: AZADIRACHTA INDICAPROPAGACAO VEGETATIVACULTURA IN VITROENRAIZAMENTOMUDA