This chapter will begin with general discussions of androgenesis and gynogenesis, followed
by a review of the factors that affect the successful production of androgenic and gynogenic
haploids. Finally, some of the basic procedure used for the
in vitro
production of haploids will be
summarized. Excellent discussions of
in vitro
haploid production, along with specific protocols for
a number of crop species, can be found in Jain et al., 1996a; 1996b; 1996c; 1996d; 1997.