Dayatilake, G.A.Rajagopal, R.2012-04-102012-04-102001Tropical Agricultural Research and Extension4(1)pp.45-51https://dl.nsf.gov.lk/handle/1/8049Modifications of photosynthetic activity and chloroplast morphology associated with in vitro trans-differentiation of Zinnia mesophyll cells into tracheary elements.Article