Fig. 4

QTL mapping for cell wall factors and biomass enzymatic saccharification QTLs controlling mannose (Man), galactose (Gal), acid-soluble lignin (ASL), acid-insoluble lignin (AIL), and glucose released after biomass enzymatic digestion following 1% (m/v) NaOH pretreatment (Glc-Rel₁) were indicated by black, gray, green, blue and purple rectangular, respectively. A genetic region which was less than 15 cM and included two or more QTLs was defined as a QTL cluster. Five QTL clusters were labeled as c1-5 in the diagram. The reported QTLs [36] are indicated in red font in the linkage map.