Biologia kwitnienia i zapylania warzyw baldaszkowatych. Część III. Selery korzeniowe (Apium graveolens L. var. rapaceum Gaud.) [The biology of flowering and pollination in umbellate vegetables. Part III. (Apium graveolens L. var. rapaceum Gaud.)]

Zofia Warakomska, Zofia Kolasa, Anna Wróblewska

Abstract


Investigations were carried-out on turnip root celery (Apium graveolens L. var. rapaceum Gaud.). Aim of the study was to examine the biology of flowering and the degree of flower atractiveness, as well as the insect influence on their pollination. The research was conducted during 1979 and 1981 vegetation seasons. Observations were made near Lublin on the loessy brown soil. Seeds were the most abundant in IV and V umbel rows. The isolated flowers did not produce less fertile seeds than the non-isolated ones. Recorded pollen production ranged to 100 kg per ha. The Syrphidae which pollinated celery, fed on their pollen.

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