Published in Scientific Papers. Series A. Agronomy, Vol. LVIII
Written by Galia PANAYOTOVA, Svetla KOSTADINOVA, Neli VALKOVA

The quality properties of seven Bulgarian durum wheat genotypes (Progress, Vazhod, Victoria, Predel, Deana,Zvezdica and Elbrus) under influence of nitrogen fertilization (0, 60, 120 and 180 kg.ha-1) during 2011-2013 werestudied. The analysis of the results showed that the test weight of grain reached maximum value of 81.38 kg, and 1000kernel weight - 55.04 g average for a period under the agroecological conditions of Institute of Field Crops – Chirpan,Bulgaria on the soil type Pellic Vertisols. The cultivar Progress has the highest test weight and 1000 grains weight.Average for the studied varieties vitreousness, concentration of protein and wet and dry gluten content in the grainincreased respectively to 72.36 %, 15.49 %, 33.37 % and 12.60 % with increasing the nitrogen levels to N180. Newvarieties Predel and Zvezdica have a tendency to a higher concentration of crude protein and gluten in grain,regardless of the year conditions.

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