@ARTICLE {NG:1997, title = {Screening cassava (Manihot esculenta crantz) for polyethelene glycol mediated osmotic stress in vitro}, author = {Ng, S. Y. C. and Ekanayake, I. J. }, journal = {Journal of Root Crops}, year = {1997}, volume = {23}, number = {1}, pages = {15--18}, issn = {0378-2409}, note = {RTB; Root and Tuber; Cassava}, }