Fig. 1From: SNP-markers in Allium species to facilitate introgression breeding in onionClasses of infection by Botrytis squamosa observed on genotypes of the CCxRF population, from left to right: Class 1 one or a few spots on a single leaf; 2 several small spots on one or two leaves; 3 large spots on one or more leaves and 4 more than 50Â % of the leaves with spotsBack to article page