Abstract:Histocytological observations on thin cell layers (TCLs) and segments of the pedicels of Nicotiana tabacum L.cv.GeXing 1, cultured on Murashige and Skoog medium with indolebutyric acid (IBA) 2mg/L and 6-Benzylaminopurine (6-BA) 0.2mg/L, were carried out d
