1. Skoog F & Miller CO (1957) Chemical regulation of growth and organ formation in plant tissues cultured in vitro. Symp. Soc. Exp. Biol. 11: 118?131
2. Jacobs G, Bornman CH & Allan P (1968) Tissue culture studies on rose Use of pith explants. S. Afr. J. Agric. Sci. 11: 673?678
3. Hasegawa PM (1980) Factors affecting shoot and root initiation from cultured rose shoot tips. J. Amer. Soc. Hortic. Sci. 105: 216?220
4. Davies DR (1980) Rapid propagation of roses in vitro. Sci. Hortic. 13: 385?389
5. Bressan PH, Kim YJ, Hydman SE, Hasegawa PM & Bressan RA (1982) Factors affecting in vitro propagation of rose. J. Am. Soc. Hortic. Sci. 107: 979?990