Figure 3From: Laser microdissection of conifer stem tissues: Isolation and analysis of high quality RNA, terpene synthase enzyme activity and terpenoid metabolites from resin ducts and cambial zone tissue of white spruce (Picea glauca)Characterization of CRD morphology in cryosections before and after treatment with 100% ethanol. (A) Tangential section of CRD treated with 100% ethanol. (B) Tangential section of CRD treated with 100% ethanol and stained with Safranin O. (C) Tangential section of CRD stained with Safranin O in 50% glycerol. (D) For orientation purposes, a cross-section of CRD and surrounding cortex tissue stained with Safranin O in 50% glycerol. Length of scale bar is 50 μm.Back to article page