Twenty-seven winter wheat cultivars registered in the Czech Republic were tested by molecular markers for the presence of Lr26 and Lr37. and twenty-eight cultivars for the presence of Lr10. Gene Lr37 was determined in eleven cultivars. gene Lr10 in ten cultivars and gene Lr26 in four cultivars. https://parisnaturalfoodes.shop/product-category/pro-biomax-b-complex/