Wydanie 318(34)2 2015

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    Comparison of Growth, Flowering and Bulbs Yield of Four Ornithogalum L. Species Grown in the Ground
    (Wydawnictwo Uczelniane Zachodniopomorskiego Uniwersytetu Technologicznego w Szczecinie, 2015) Salachna, Piotr; Zawadzińska, Agnieszka; Department of Horticulture, West Pomeranian University of Technology, Szczecin; Department of Horticulture, West Pomeranian University of Technology, Szczecin
    The aim of the studies in the years 2009–2010, carried out in the climate conditions of Szczecin, was to compare the morphological traits, the course of flowering and the increase in number and weight of bulbs of four species: Arabian starflower (Ornithogalum arabicum L.), Sun star (Ornithogalum dubium Houtt.), Giant Chincherinchee (Ornithogalum saundersiae Bak.), and Chincherinchee (Ornithogalum thyrsoides Jacq.). The bulbs were planted in soil after the 10th of May, and harvested in the first decade of October. The investigated species of Ornithogalum were found to differ significantly in their morphological traits, flowering and bulb yield. Field-grown O. arabicum, O. saundersiae and O. thyrsoides flowered and produced adventitious bulb each year. Among the cultivated species, O. saundersiae was characterized by the longest flowering period, it had the longest leaves and inflorescence scapes, and its inflorescences contained the highest number of flowers. The parent bulbs of O. saundersiae produced also the greatest number of adventitious bulbs. The O. dubium plants did not produce inflorescences or adventitious bulbs in either year of the study.