Fig. 4From: Ribozyme-mediated CRISPR/Cas9 gene editing in pyrethrum (Tanacetum cinerariifolium) hairy roots using a RNA polymerase II-dependent promoter(E)-β-farnesene content in hairy roots. a (E)-β-farnesene standard (1 ng/µl). b Control group (CK). c Line A. d Line B. e (E)-β-farnesene content in CK, line A, and line B. f 7.850 min mass spectraBack to article page