Technological assessment results for spring bread wheat accessions in Omsk Province

Background. Higher yields and better quality of spring bread wheat grain remains the main focus for wheat breeders in their efforts to ensure national food security. Therefore, searching for new sources to fulfill this mission is an important task.

Materials and methods. The research material included 180 accessions of spring bread wheat (Triticum aestivum L.) grown in 2022–2023 in Omsk Province. Various indicators for technological assessment and grain quality testing were analyzed at the VIR Laboratory of Integrated Plant Genetic Resources Evaluation. The resulting data underwent variance and correlation analyses.

Results and conclusion. Considering the climate in Omsk Province, where severe droughts alternate with excessive moisture periods during the growing season of spring bread wheat and the phases of grain filling and ripening, a number of farinograph indicators and the sedimentation index have the best differentiating ability among the protein complex quality characters, so they should be used in breeding for grain quality. It is also necessary to monitor the state of the carbohydrate-amylase complex, at least at the level of recording the falling number, as well as other technological properties, for example, though the registration of the grain test weight. Accessions with the best values of the grain test weight and sedimentation were identified. They can be recommended for breeders as sources of valuable agronomic traits in Omsk Province.

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