Txonomic treatments of Triticeae and the wheat genus Triticum.- Origin and evolution of wheat and related Triticeae species.- Wheat breeding - current status and bottlenecks.- The crossability of wheat with rye and other related species - kr genes.- Gametocidal genes.- The mode and regulation of chromosome pairing in wheat-alien hybrids (Ph genes, an updated view).- Introgressions between wheat and rye.- Alien introgressions from wild Triticum species: T. monococcum, T. urartu, T. turgidum, T. dicoccon, T. dicoccoides, T. carthlium, T. araraticum, T. timopheevii and T. Miguschovae.- Wheat - Aegilops introgressions.- Aegilops tauschii introgressions in wheat.- Wheat-perennial Triticeae introgressions: major achievements and prospects.- Wheat - barley hybrids and introgression lines.- Genomics of wild relatives and introgressions.