Table 4. Mean nitrogen concentration in flag leaves in IR64 and Dro1-NIL lines as affected by line and fertilizer treatment.

		Nitrogen concentration (g g−1)
Line (L)	Fertilizer treatment (F)	Heading	20 DAHa
IR64		0.024	0.017
Dro1-NIL		0.024	0.019
	No treatment	0.022	0.015
	Treatment	0.026	0.020
ANOVA
L		ns	*
F		**	**
L×F		ns	ns

^aDAH, days after heading.

*Significant at P < 0.05; ** significant at P < 0.01; ns, not significant at P < 0.05. P values are based on ANOVA.