Fig. 6

qRT-PCR analysis of lignin biosynthesis structural genes in brown (T) and green (G1–3) cotton fibers. PAL: PHENYLALANINE AMMONIA LYASE; C4H: CINNAMATE 4-HYDROXYLASE; 4CL: 4-COUMAROYL: COA LIGASE; HCT: HYDROXYCINNAMOYL TRANSFERASE; CCOAOMT: CAFFEOYL-COA O-METHYLTRANSFERASE; COMT: CAFFEIC ACID O-METHYLTRANSFERASE. Error bars represent the standard error of three biological replicates