Table 6.

Selected coefficients of correlation between crop traits measured in the field and remote detected temperature difference (dT) shown for different times of measurement

Ground plant trait		dT
	DAS a	81	96	103	113	117
Plant vigour rating	47	−0.45***	−0.4**
LSCb	81	0.09 ns	−0.08 ns
LTMPc	81	−0.16 ns	−0.1 ns
Radiation interception	81	−0.59***	−0.55***
Radiation interception	97	−0.55***	−0.24 ns
Total plant biomass	81-97	−0.38*	−0.34*
Plant height	81-97	−0.46***	−0.53***
LAId	81-97	−0.52***	−0.49***
LSC	103			−0.07 ns	−0.27*	0.17 ns
LTMP	103			−0.06 ns	−0.19 ns	0.09 ns
Stay green rating	105			0.12 ns	0.2 ns	0.34**
Stay green rating	112			0.1 ns	0.12 ns	0.36**
LSC	117			−0.17 ns	−0.21 ns	−0.13 ns
LTMP	117			0.45***	0.53***	0.28*
Radiation interception	118			−0.52***	−0.29*	−0.66***

^aDays after sowing, see Table 2 for conversion in thermal time, ^bLeaf stomatal conductance (mmol m⁻² s⁻¹), ^cLeaf temperature (°C), ^dLeaf area index (m² m⁻²).

Significance codes are: ‘***’ p-value < 0.001, ‘**’ p-value < 0.01 and ‘*’p-value < 0.05.