Ploidnost obeh komponent v semenskem posevku, tako semenotvornih kot opraševalnih, je treba določiti s sklicevanjem na skupni katalog sort poljščin, sestavljen v skladu z Direktivo Sveta 70/457/EGS 1, kakor je bila nazadnje spremenjena z Direktivo 86/155/EGS 2, ali na nacionalne sortne liste, oblikovane v skladu s to direktivo.
The ploidy of both seed-bearing and pollen-shedding components of seed-producing crops is to be established by reference to the common catalogue of varieties of agricultural plant species compiled under Council Directive 70/457/EEC (1), as last amended by Directive 86/155/EEC (2), or the national catalogues of varieties established under that Directive.