Table 2 The coefficients of determination and RMSE of the vegetation indices for estimating the LCC on adaxial, abaxial, and both surfaces (only the top 15 vegetation indices with high R2 value were listed)
All plants | ||||||||
|---|---|---|---|---|---|---|---|---|
Adaxial and abaxial | Adaxial | Abaxial | ||||||
VI | R2 | RMSE (μg/cm2) | VI | R2 | RMSE (μg/cm2) | VI | R2 | RMSE (μg/cm2) |
MDATT: (R721 − R744)/(R721 − R714) | 0.856 | 6.872 | MDATT: (R691 − R745)/(R691 − R736) | 0.910 | 5.426 | MDATT: (R688 − R745)/(R688 − R736) | 0.912 | 5.370 |
(R719 − R726)/(R719 − R743) | 0.801 | 8.040 | SR:R859/R721 | 0.907 | 5.514 | D754/D704 | 0.854 | 6.904 |
D754/D704 | 0.699 | 9.907 | ND: (R742 − R741)/(R742 + R741) | 0.906 | 5.545 | (R850 − R710)/(R850 − R680) | 0.790 | 8.289 |
(R850 − R710)/(R850 − R680) | 0.690 | 10.055 | VOG2:(R734 − R747)/(R715 + R726) | 0.905 | 5.559 | (R719 − R726)/(R719 − R743) | 0.788 | 8.310 |
SR: R742/R760 | 0.615 | 11.199 | R750/R710 | 0.894 | 5.878 | SD: R741 − R748 | 0.787 | 8.559 |
ND: (R745 − R751)/(R745 + R751) | 0.614 | 11.205 | SD: R745 − R744 | 0.889 | 6.026 | D740 | 0.771 | 10.105 |
SD: R704 − R680 | 0.615 | 11.254 | D740 | 0.880 | 6.270 | SR: R740/R759 | 0.690 | 10.106 |
D740 | 0.580 | 11.698 | RII | 0.873 | 6.435 | ND: (R740 − R760)/(R740 + R760) | 0.690 | 10.267 |
VOG2 | 0.548 | 12.127 | R750/R700 | 0.858 | 6.799 | D730 | 0.677 | 10.845 |
TCARI | 0.537 | 12.279 | D754/D704 | 0.848 | 7.053 | VOG2 | 0.640 | 11.807 |
D730 | 0.520 | 12.507 | (R719 − R726)/(R719 − R743) | 0.845 | 7.110 | TCARI | 0.521 | 12.505 |
MCARI | 0.445 | 13.444 | D730 | 0.830 | 7.456 | TCARI/OSAVI | 0.487 | 12.945 |
R750/R710 | 0.437 | 13.536 | 1/R700 − 1/R750 | 0.820 | 7.674 | R750/R710 | 0.447 | 13.442 |
TCARI/OSAVI | 0.432 | 13.605 | (R850 − R710)/(R850 − R680) | 0.801 | 8.066 | RII | 0.413 | 13.842 |
R672/(R550*R708) | 0.420 | 13.748 | NDI | 0.800 | 8.081 | MCARI | 0.392 | 14.084 |