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Fig. 4 | BMC Plant Biology

Fig. 4

From: Natural hybridization between two butterfly bushes in Tibet: dominance of F1 hybrids promotes strong reproductive isolation

Fig. 4

Genotype category assignment by NewHybrids (a) and Structure (b) for B. alternifolia, B. crispa, and B. × wardii. For the label of each accession, “BH”, “TJ”, “BS”, “KM”, “JZ” and “KD” refer to individuals collected in the populations BH, TJ, BS, KM, JZ and KD, respectively. “AL”, “WI” and “CR” refer to B. alternifolia, B. crispa, and B. × wardii, respectively. Bars in different color in a represent different genotype class: pink represents Parent I; Blue represents Parent II; calamine blue represents F1 hybrid; orange, red and purple represent F2 hybrid, backcross to Parent I and backcross to Parent II, respectively. Bars in different colors in b represent different clusters: blue and red represent Cluster 1 and Cluster 2, respectively

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