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