MOESM1 of Genetic variation of biomass recalcitrance in a natural Salix viminalis (L.) population OhlssonJonas HallingbäckHenrik JebraneMohamed Harman-WareAnne ShollenbergerTodd DeckerStephen SandgrenMats Rönnberg-WästljungAnn-Christin 2019 Additional file 1: Figure S1. Estimates of Klason lignin from py-MBMS versus values obtained by wet chemistry. Figure S2. Results of initial test runs to assess optimal pretreatment severity and enzyme loading. Figure S3. Results of second test run to better assess optimal enzyme loading.