Effect of 7DS-7DL-7Ae#1L AND 2AL-2AS-2MV#1 combinations of translocations on productivity and grain quality of spring bread wheat

The Lr19/Sr25 genes in 7DS-7DL-7Ae#1L translocation (from Thinopyrum ponticum Podp) and Lr37/Sr38/Yr17/Cre5/Rkn3 Aegilops ventricosa Tausch) attract the attention of bread wheat breeders by their resistance to leaf stem rust pathogens, as well a positive effect on agronomical important traits. However, combination these translocations is poorly understood. In presented study, agronomic performance were studied spring line L42= Dobrynya/Trident*3//Dobrynya during 2017-2021. presence Lr37/Sr38 2AL-2AS-2mV#1 was found L42 with help DNA markers - Gb VENTRIUP-LN2. This determines saratov population also has differentiated reaction pathotypes pathogens from other regions Russia. It revealed that line, germination heading period, average over years significantly shorter than standard cultivar Favorit, but did not differ this trait cultivar-recipient Dobrynya. Favorit Dobrynya cultivars terms plant height lodging resistance. By weight 1000 grains, exceeded Favorite cultivar, inferior cultivar. grain productivity for 2017-2022, cultivars, only latter. study quality flour showed it gluten content superior According SDS indicators, strength according units IDK-3 device, elasticity dough (P), differed There no differences between ratio extensibility (P/L). (W) volume bread, significant porosity bread.