simple sucroseuboric acid media Linskens, 1967) to
complex media containing polyethylene glycol Zhang
and Croes, 1982; Shivanna et al., 1997) and various
amino acids Read et al., 1993). A medium has been
developed that has been widely used and found to be
suitable for more than 86 plant species Brewbaker and
Kwack,1964).