Fig. 2From: Enzymatic hydrolysis of the gelatinous layer in tension wood of Salix varieties as a measure of accessible cellulose for biofuelsOverview of Tora stem (a), sawn cylinders (b, 10Â cm long), debarked cross sections from different heights before, and after 3-day cellulase treatment and staining with chlorazol black E and safranin (c and e). Quantification of tension wood area (as %, d) using PhotoshopBack to article page