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. 2021 Jun 25;12:693060. doi: 10.3389/fpls.2021.693060

Table 3.

The correlation coefficient between drought stress conditions and drought tolerance indices between 2012–13 and 2019–20.

YI TOL MP GMP HARM STI HMP Yr SSI
YI 1.00
TOL 0.04 1.00
MP −0.17 0.91 1.00
GMP −0.18 0.90 1.00 1.00
HARM −0.19 0.90 1.00 1.00 1.00
STI −0.09 0.92 0.99 0.99 0.99 1.00
HMP −0.17 0.88 0.99 1.00 1.00 0.99 1.00
Yr 0.24 0.21 −0.06 −0.06 −0.06 0.03 −0.02 1.00
SSI 0.16 −0.04 −0.26 −0.26 −0.26 −0.18 −0.21 0.95 1.00

YI, yield index; TOL, tolerance index; MP, mean productivity; GMP, geometric mean productivity; HARM, harmonic mean; STI, stress tolerance index; HMP, harmonic mean productivity; Yr, yield reduction; and SSI, stress susceptibility index.