. 2019 Mar 28;69(1):169–178. doi: 10.1270/jsbbs.18068

Table 1.

Matrix for Pearson Correlation coefficient (r) showing the simple linear relationship among various drought-related rice plant parameters

	PLHT	TILL	CL	LDW	SDW	TSDW	LFDG	TWU	LFA	TRDW	DRL	DRVOL	DRSA	DRD
PLHT	1
TILL	−0.264^ns	1
CL	0.567^***	−0.355^*	1
LDW	0.204^ns	0.511^***	−0.053^ns	1
SDW	0.286^ns	0.200^ns	0.441^**	0.590^***	1
TSDW	0.322^*	0.298^*	0.303^*	0.835^***	0.929^***	1
LFDG	−0.100^ns	0.206^ns	−0.173^ns	−0.265^ns	−0.544^***	−0.503^***	1
TWU	0.172^ns	−0.195^ns	0.270^ns	0.441^**	0.638^***	0.667^***	−0.708^***	1
LFA	0.236^ns	−0.367^*	0.258^ns	0.327^*	0.487^***	0.521^***	−0.749^***	0.803^***	1
TRDW	0.053^ns	0.041^ns	0.368^*	0.315^*	0.704^***	0.626^***	−0.454^**	0.725^***	0.424^**	1
DRL	0.128^ns	−0.096^ns	0.275^ns	0.413^**	0.471^***	0.547^***	−0.488^***	0.807^***	0.587^***	0.681^***	1
DRVOL	0.202^ns	−0.189^ns	0.435^**	0.284^ns	0.500^***	0.516^***	−0.479^***	0.810^***	0.563^***	0.73^***	0.942^***	1
DRSA	0.168^ns	−0.140^ns	0.353^*	0.361^**	0.494^***	0.543^***	−0.491^***	0.820^***	0.587^***	0.717^***	0.989^***	0.981^***	1
DRD	0.163^ns	−0.114^ns	0.429^**	0.298^*	0.482^***	0.508^***	−0.410^**	0.769^***	0.470^***	0.696^***	0.885^***	0.952^***	0.925^***	1

Abbreviations: PLHT = Plant height; TILL = Tillers per plant; CL = Culm length; LDW = Leaf dry weight; SDW = Stem dry weight; TSDW = Total shoot dry weight; LFDG = Leaf drying; TWU = Total water uptake; LFA = Leaf area; TRDW = Total root dry weight; DRL = Deep root length (Below 60 cm); DRVOL = Deep root volume (Below 60 cm); DRSA = Deep root surface area (Below 60 cm); DRAD = Deep root average diameter (Below 60 cm).

Significance at P < 0.05;

^**

Significance at P < 0.01;

^***

Significance at P < 0.001.