Figure 5
From: Genetic dissection of plant architecture and yield-related traits in Brassica napus

Schematic diagram for epistatic interaction effects of two-locus interactions of plant yield (PY) with quantitative trait loci (QTLs).
The left column represents the environment of DH population planting and the number in each bracket is the two-locus interactions of the PY in the corresponding environment. Each panel represents the two-locus interactions of PY located in or overlapping with the confidence intervals of identified QTLs. The colored blocks in the outermost circle represent the conserved Arabidopsis blocks aligned with the B. napus genome identified through SNP/SSR markers in the B. napus genetic linkage groups, which are represented by the second outer circle. The third circle represents the B. napus genome reconstructed with fragments of homoeologous exchanges defined by Chalhoub et al.27. The inner circle represents the identified QTLs in the same environment shown in the left column. The red, green and blue lines represent the interactions related to the QTLs of plant architecture, PY, or both, respectively. The number and percentage in each bracket are the two-locus interactions of the PY corresponding to the colored lines and the number accounts for the total number (left column) of the two-locus interactions of the PY in the corresponding environment.