occurred with nie being epistatic to nts, and nnd-2 being epistatic to nts and nie.
This study supports the gene interaction of recessive epistasis
, with two alleles at each of three loci [Sh.sub.1], [Sh.sub.2], and [Sh.sub.3] controlling shattering in buckwheat.
These observations also indicated the epistatic nature of the homozygous recessive alleles of both genes (recessive epistasis
Specifically, expression of RWA resistance in STARS-9301B involves recessive epistasis
of the dominant gene Rdn2 on the incompletely dominant gene Rdn1 (Mornhinweg et al., 1995b).
Chi-square analysis of [F.sub.2] and BC to either parent, and the number of homozygous resistant, intermediate, and susceptible [F.sub.2]-derived [F.sub.3] families suggests that RWA resistance is conferred by two dominant genes with recessive epistasis