Beltrán Giraldo, Jorge AlonsoLadino Franco, Y.J.Vacca, OrlandoLópez, D.Arango Mejía, J.Chávez, Alba L.Al-Babili, S.Beyer, PeterChavarriaga Aguirre, PaulTohme, Joseph M.2015-03-132015-03-13https://hdl.handle.net/10568/58063Increasing phytoene and B-carotene content in cassava roots by expression of an exognous phytoene synthase (CrtB) gene