Table 3.

Comparison of leaf morphological traits at the full heading stage between NIL-GNP1^TQ and Lemont.

Genotype	Length		Width		Area		N content		Chlorophyll		LAI (m2 m−2)	Photosynthetic rate (μmol m−2 s−1)
	(cm)		(cm)		(cm2)		(g m−2)		(mg g−1)
	FLa	SL	FL	SL	FL	SL	FL	SL	FL	SL
Lemont	27.5	37.8	1.9	1.6	39.6	46.2	1.1	1.0	1.2	1.2	4.8	20.8
NIL-GNP1TQ	35.6**	47.3**	1.8*	1.5**	48.8**	53.7**	1.0	0.9	1.2	1.2	4.6	19.4
Analysis of variance b
Year	*	**	ns	ns	***	**	ns	ns	ns	ns	–	**
Genotype	**	***	*	**	***	***	ns	ns	ns	ns	–	ns
Year × Genotype	ns	ns	ns	ns	ns	ns	ns	ns	ns	ns	–	ns

^aFL, flag leaf; SL, second leaf; The *, **, *** indicate significant difference between NIL-GNP1^TQ and Lemont at P <0.05, 0.01, and 0.001, respectively, based on Student’s t-test.

^bThe *, **, *** indicate significant level at P <0.05, 0.01, and 0.001, respectively, based on analysis of variance; ns indicates non-significance based on analysis of variance.