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

Figure 5

HCA heatmap analyses of 4 peak content in MFB and FFB of P. tomentosa. The X axis refers to P. tomentosa samples. The Y axis refers to the screened compounds. The red and blue colors in the plot refer to higher and lower compound content than the mean value, respectively.