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Determination of genomic relationship in the genus corchorus , C. olitorius X C. depressus and C. capcularis X C. depressus through improved techniques.
Abstract
When emasculated under strictly controlled conditions, no hybrid in the cross, C. olitorius x C. deoressus, C. copsularis x C. depressus was obtained. Hybrid formation is not possible in the above combinations because in both the polln tubeof C. depressus fail to reach the ovule of the cultivar. Application of 300 mg/l IAA around the pedicel of the pollinated flower, however, made it possible to obtain hybrids in both combinations. These hybrid were near sterile, more so in the cross, C. olitorius x C.depressus in the letter hybrid , chromosomes were found to be sticky. Meiotic irregularities characterized the hybrids of both combinations. There was however enough fertility for the F2 generation to be raised.
