cross
breeding
cross breeding flax雜交亞麻
back cross breeding回交育種
cross-breeding雜交培育
clonal cross breeding營養系雜交育種
Improved Cross Breeding高級血統試驗
conventional cross breeding常規雜交育種
cross breeding blood transfusion充血雜交
Cross breeding seed propagation雜交制種
Wide cross breeding遠緣雜交育種