Veredelungskreuzung /SCIENCE/
[DE] Veredelungskreuzung
[EN] grading-up; upgrading
[FR] croisement d' amélioration
Meliorationskreuzung,Veredelungskreuzung /SCIENCE/
[DE] Meliorationskreuzung; Veredelungskreuzung
[EN] selection by crossbreeding; selection by hybridization; selection by outbreeding
[FR] sélection par hybridation