Gender Discrimination of Flower Buds of Mature Populus tomentosa by HPLC Fingerprint Combined with Chemometrics

Figure 2

HPLC fingerprints of MFB and FFB of P. tomentosa. F1–F11 are female flower bud samples. M1–M11 are male flower bud samples. R refers to the control fingerprint. The X axis refers to the retention time (t/min). The Y axis refers to the response value (mAU). The peaks 1–17 are the main common peaks.