Improving seed-set in interspecific hybridization between triticale (Triticale Thcherm.) and wheat (Triticum aestivum)
The data on seed set in hybridization between hexaploid triticale and common wheat was presented. It has been shown that it is preferably to use as maternal forms the intervarietal F<sub>1</sub> hybrids of triticale than triticale varieties to improve seed set in producing hybrids between triticale and common wheat. It was revealed that aneuploidy of female gametophyte of interspecies hybrids influenced negatively on seed set in a lesser degree than aneuploidy of male gametophyte. Therefore, it was proposed to use interspecies hybrids as maternal forms and triticale varieties as pollinators to improve the efficacy of BC1 production.