N. Tsenov1*, T. Gubatov1, E. Tsenova2 Abstract. The date of ear emergence (DEE) and the date (time) of physiological maturity (TPM), as quantitative indication affect yield and in this respect any information about their genetic nature is important for breeding in climatic anomalies o

The changed duration of the time to heading and maturity is an important element of the wheat’s adaptability to specific production conditions. The question whether a variety early by its heading date remains early by its maturation date is a significant one, but the data on thi