Source material for breeding winter bread wheat for grain quality in the north of the Middle Volga Region

Background. Development of cultivars with high stable yields and grain quality is the main trend in wheat breeding. The aim this study was to characterize a set winter bread accessions from VIR collection working Kazan Scientific Center terms their yield, protein content (P, %), swelling flour acetic acid (S, ml), select best for combination these characters use crossbreeding program. Materials methods. Twenty-three were studied abovementioned north Middle Volga Region using conventional techniques. lasted three years (2016–2019). Results conclusion. yield varied across studies; however, none them surpassed reference cv. ‘Kazanskaya 560’. values medium or high. following had levels (15.1–16.1%): ‘TAW 42971/80’ (k-58363, Germany); ‘Lutescens 471 N8’ (Kazakhstan); ‘Rita’ (k-58057), ‘Scotty’ (k-59322) ‘Nelson’ (all U.S.); ‘Moskovskaya 39’ (k-65160, Russia); ‘Bilotserkivchanka’ (k-64330) ‘Barkan’ (k-64495) (both Ukraine). Flour power did not fall below 50 ml, attesting formation high-quality grain. This also confirmed by index determined S : P ratio, which ranged 3.6 4.7. Sources selected tested breeding: ‘CDC Clair’ (k-64168, Canada), Н8’ (Kazakhstan), (Russia), (Ukraine), ‘Favorytka’ (k-64337,