NanoDrop measurement profile of genomic DNA extractions from Corymbia citriodora subsp. variegata . DNA extractions using a traditional CTAB-based method with (A) no PVP, (B) 1% PVP and (C) 4% PVP. DNA extractions using the NGS protocol with (D) no PVP, (E) 1% PVP, and (F) 4% PVP. Results from six grams of leaf tissue finely ground using a mortar and pestle, then aliquoted (1 g) for each extraction. Percentages are represented as w/v. CTAB: hexadecyltrimethylammonium bromide; PVP: polyvinylpyrrolidone.