Fig. 5

Heatmap representation of the expression levels of LOX pathway genes in Korla pear based on qRT–PCR data a: Relative expression levels of LOX pathway genes in Korla pear at four developmental stages, and genes marked with red stars are putative key genes. b: Correlation analysis of ester contents and the relative levels of LOX pathway genes in Korla pear at four developmental stages. c: Changes of the relative expression levels of key genes in ester synthesis