Assertion: jerusalem artichoke's seed | /r/HasProperty | obtained
Facets:
Source sentences:
text: Around 14,000 open-pollinated seeds were obtained from four early and medium-late flowering cultivars ('Columbia,' 'Bianka,' 'Précoce,' and 'Yellow Perfect') to obtain visually selected clones from over 8,000 seedlings, in a study in the Netherlands (van Soest et al., 1993).
text: Seed was obtained from the mainly early flowering cultivars 'Columbia,' 'Topinsol,' 'Bianka,' 'Topianka,' 'Yellow Perfect,' '