Fig. 2From: Genetic diversity and population structure of black cottonwood (Populus deltoides) revealed using simple sequence repeat markersThe heat map of population genetic diversity. The length of the amplified fragments at each locus is represented by a colored band and each locus has a unique contrast diagram of fragment size and color. Different colors represent different fragment sizes, a greener color indicates smaller fragments and a redder color indicates larger fragments. Individuals of the same population are surrounded by black dotted frames. ‘Mis’, ‘Iow’, ‘Was’, ‘Que’, ‘Lou’, ‘Ten’: different provenance populations respectivelyBack to article page