K. Taneva Agricultural Academy, Field Crop Institute, 6200 Chirpan, Bulgaria (Manuscript received 5 June 2023; accepted for publication 18 June 2024) Abstract. Durum wheat (Triticum turgidum L., var. durum) is the only commercially important tetraploid wheat species grown exclusively

G. Panayotova1*, S. Kostadinova2, S. Stefanova-Dobreva3, A. Muhova3 1Department of Plant production, Faculty of Agriculture, Trakia University, 6000 Stara Zagora, Bulgaria 2Department of Agrochemistry and Soil Science, Faculty of Agronomy, Agricutural University, 4000 Plovdiv, Bulgari