Figure 1. Expression statistics of winter and spring B. napus ecotypes in normal and cold stress conditions.

(A) Statistical analysis of gene expression identified in the four libraries. (B) Venn diagram of genes detected in the four libraries. (C) Venn diagram of genes detected in the spring B. napus ecotype between cold stress and normal conditions. (D) Venn diagram of genes detected in the winter B. napus ecotype between cold stress and normal conditions.