ISSN 2285-5785, ISSN CD-ROM 2285-5793, ISSN ONLINE 2285-5807, ISSN-L 2285-5785


Published in Scientific Papers. Series A. Agronomy, Vol. LX
Written by Raisa IVANOVA, Natalia MASCENCO, Marina BEJINARI

Safflower (Carthamus tinctorius) is one of the new crops for the Republic of Moldova. Its traditional climate conditions of cultivation are significantly different from those in Moldova. The research of optimal agronomic procedures related to the eco-geographical area is the main objective for introduction of this new culture. The aim of this study was to determine the safflower yield depending on distance between rows and pre-sowing treatment of seeds with natural bioregulators. Row spacing was 50 and 70 cm, as natural bioregulators were used glycosides compositions extracted from Linaria genistifolia (GG) and Verbascum densiflorum (GV). The results showed that row spacing effect was significant on plants height, number of capitula per plant, number of seeds per plant and 100-seed weight. Enlarging of row spacing leads to increasing of branch number and seeds yield per plant. Number of seeds per plant of safflower grown on 70 cm row spacing was in 1.4…1.7 times more than the same parameter of plants grown on row distance of 50 cm. The increasing of row spacing increased seed yield per plant in all experimental variants: safflower grown from both treated and intact seeds. The highest number of capitula per plant and 100-seeds weight in both row spacing was obtained from safflower seeds treated by GV - natural bioregulator, composition of which contains the polyphenolic glycoside.

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