Риженко, А.С., Каленська, С.М., Присяжнюк, О.І. and Мокрієнко, В.А. 2020. Yield plasticity of sunflower hybrids in the conditions of the Left-Bank Forest-Steppe of Ukraine. Plant varieties studying and protection. 16, 4 (Dec. 2020). DOI:https://doi.org/10.21498/2518-1017.16.4.2020.224058.