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Flowering in celeriac (Apium graveolens L. var. rapaceum (Mill.) DC.): effects of photoperiodR. Booij; E.J.J. Meurs · 1994
Flower induction and initiation in celeriac (Apium graveolens L. var. rapaceum (Mill.) DC.): Effects of temperature and plant ageR. Booij; E.J.J. Meurs · 1993