EFFECTS OF ENVIRONMENT ON OPTIMIZING NITROGEN NUTRITION ON CONTENT OF FIRST-CLASS SEEDS IN WINTER BARLEY CULTIVARS (Hordeum vulgare L.)
- University of Pristina, Faculty of Agriculture, Kosovska Mitrovica-Lesak, Kopaonicka bb., Lešak 38219, Kosovo and Metohia, Serbia.
- University of Novi Sad, Faculty of Economics, MSci., Segedinski put 9-11, Subotica 24000, Doktora Sime Miloševi?a 16, Novi Sad 21000.
- University – Business Academy, Faculty for Economy and Engineering Management, Cve?arska 2, 21000 Novi Sad, Serbia.
- University of „John Naisbitt“ Belgrade, Faculty of Biopharming Backa Topola, Serbia.
- University of Kragujevac, Faculty of Agronomy, MSci., Cara Dusana 34, 32000 Cacak, Serbia.
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- Corresponding Author
In this paper was investigated variability of percentage content of seeds first-class (thickness of seeds >2.5mm) in four divergent barley cultivars (Jagodinac, Premium, NS 489 and NS 495) originated from different breeding centres in Serbia. These cultivars investigated during two years on experimental field on plots 5m2 and four replications under four different rate of nitrogen treatments (control N0=0, N1=20, N2=40 and N3=60 kg ha-1). The variability of content of seeds first-class was established in both years of experiment and under all nitrogen rate of supplied N fertilizer. According to percentage of content first-class (thickness of seeds >2.5mm) were found differences among the cultivars in each years of experiment and all variant of nitrogen nutrition. In average, content of seeds first-class for all cultivars and all treatments was higher in second year 82.34% than in first experimental year 80.03%. The average value of percentage content of seeds first-class in both growing seasons and under N treatment was the highest in barley cultivar NS 595 (82.70%) and the lowest in barley cultivar Premium (78.79%). For all investigated cultivars, content of seeds first-class increased with increasing nitrogen rate. This indicate that content of seeds first-class mostly affected by mineral nitrogen nutrition and to a much lesser degree by cultivar.
[Desimir KNEZEVIC, Anja ROSANDIC, Adriana RADOSAVAC, Veselinka ZECEVIC, Milica ZELENIKA (2015); EFFECTS OF ENVIRONMENT ON OPTIMIZING NITROGEN NUTRITION ON CONTENT OF FIRST-CLASS SEEDS IN WINTER BARLEY CULTIVARS (Hordeum vulgare L.) Int. J. of Adv. Res. 3 (7). 762-767] (ISSN 2320-5407). www.journalijar.com
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