STUDY OF THE SPRING BARLEY SOURCE MATERIAL FOR USE IN THE SELECTION PROCESS FOR THE CENTRAL REGION OF THE RUSSIAN FEDERATION
2018
Levakova, O.V.
The article presents the results of the study of yield and its stability, coarse-grain, resistance to lodging and diseases of varieties of spring barley. According to the data of the collection nursery, varieties were distinguished that exceed the yield of grain by 0,13-1,61 t/ha and its stability, the standard variety Jaromir. Over the years of research, the maximum yield of grain was obtained from varieties Explorer (12,1 t/ha) and Overtiur (11,16 t/ha) in 2017, the minimum − in the variety − Ilek (5,07 t/ha) in 2015. According to the stability of the harvest the varieties Rosalina, Prosa, Nadezhnyj and Explorer were selected. Large grains (more than 50,0 gr) formed the following varieties: Yaromir, Ilek − 16, Prosa, Graice, Vivaldi, Explorer, Chief, Bat'ko, Parnas. Virtually all the samples that were allocated for yield in different conditions during the vegetative period belonged to the group of medium-ripened or late-ripening and had a soil-flattened or semi- flattened type of bush in the tillering phase. It is noted that the numbers having a semi-flattened type of bush in the tillering phase are more resistant to lodging, but are more often affected by a dusty smut and other diseases. Nevertheless, in our tests, a group of high-yield, adapted and stable varieties with partial damage to barley disease and high resistance to lodging emerged: Yaromir, Nadezhnyj, Prosa, Explorer, Rosalin. In our opinion, the isolated group is a valuable source material for the selection of spring barley for broad agroecological stability.
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