Introduction
In Brassica, interspecific hybridization is a potential and useful method for transferring valuable traits between species of commercial interest (Rahman, 2001; Seyis et al., 2003). It is also used to elucidate intergenomic relationships to develop synthetic amphidiploids and has been widely applied for improving Brassica (Choudhary et al., 2002). In Japan, about 60% of the registered rape cultivars have been bred through interspecific crosses (Shiga, 1970). Further, the crossability study would give an idea on the cross compatibility relationship among the species, the direction of success of crossing and the crossability barriers of some combinations, if any.
IntroductionIn Brassica, interspecific hybridization is a potential and useful method for transferring valuable traits between species of commercial interest (Rahman, 2001; Seyis et al., 2003). It is also used to elucidate intergenomic relationships to develop synthetic amphidiploids and has been widely applied for improving Brassica (Choudhary et al., 2002). In Japan, about 60% of the registered rape cultivars have been bred through interspecific crosses (Shiga, 1970). Further, the crossability study would give an idea on the cross compatibility relationship among the species, the direction of success of crossing and the crossability barriers of some combinations, if any.
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