Fig. 4

Corrected and uncorrected impedance phase spectra of black bean plant BB_2 (A) and pinto bean plant PB_5 (B). Note that the negative impedance phase shift -\(\varphi _{\text {Z}}\) is plotted
Corrected and uncorrected impedance phase spectra of black bean plant BB_2 (A) and pinto bean plant PB_5 (B). Note that the negative impedance phase shift -\(\varphi _{\text {Z}}\) is plotted