Table 5.

Correlation (r) of least-square means of non-destructive phenotyping traits measured under waterlogged conditions (n = 22).

Plant traits	Projected green area before treatment (cm2.plant-1)	Projected green area after treatment (cm2.plant-1)	Projected dead area (cm2.plant-1)	Normalized difference vegetation index
Initial vigor (1–5)	0.72∗∗∗	0.56∗∗	0.38 ns	0.56∗∗
Plant height before treatment (cm)	0.62∗∗	0.50∗	0.50∗	0.47∗
Plant height after treatment (cm)	0.59∗∗	0.73∗∗∗	0.55∗∗	0.75∗∗∗
Shoot biomass (g.plant-1)	0.78∗∗	0.87∗∗∗	0.74∗∗∗	0.84∗∗∗
Green leaf biomass (g.plant-1)	0.67∗∗∗	0.88∗∗∗	0.46∗	0.85∗∗∗
Dead leaf biomass (g.plant-1)	0.73∗∗∗	0.64∗∗∗	0.92∗∗∗	0.62∗∗
Visual evaluation of symptoms (1–5)	0.35 ns	0.71∗∗∗	0.38 ns	0.85∗∗∗
Projected green area before treatment (cm2.plant-1)	-	0.64∗∗∗	0.63∗∗∗	0.52∗∗
Projected green area after treatment (cm2.plant-1)	0.64∗∗∗	-	0.68∗∗∗	0.85∗∗∗
Projected dead area (cm2.plant-1)	0.63∗∗∗	0.68∗∗∗	-	0.57∗∗
Normalized difference vegetation index	0.52∗∗	0.85∗∗∗	0.57∗∗	-

Pearson’s correlation coefficients are indicated with their statistical significance as follows: ns, non-significant (P > 0.05); ^∗P ≤ 0.05; ^∗∗P ≤ 0.01; ^∗∗∗P ≤ 0.001.