Table 1.

Effect of γ‐aminobutyric acid (GABA) and nitrogen on Na, Mn, Zn, and Fe contents in grains in different fragrant rice genotypes

GABA treatment	Cultivars	N dose	Na content	Mn content	Zn content	Fe content
			(mg/kg)
GABA0	YX	ZN	112.53	132.33	9.64	63.78
		LN	124.48	125.73	9.78	58.27
		MN	105.85	106.60	10.87	42.75
		HN	92.01	104.90	11.64	41.94
	YG	ZN	113.97	237.95	9.49	147.71
		LN	120.76	169.09	9.62	94.21
		MN	107.32	123.59	6.22	58.20
		HN	93.33	130.07	14.14	63.45
	BS	ZN	155.02	149.33	30.27	79.11
		LN	162.96	102.75	22.89	42.34
		MN	140.89	112.28	27.42	47.36
		HN	165.40	88.73	22.23	30.65
		Mean	124.54b	131.95b	15.35b	64.15b
GABA250	YX	ZN	147.25	180.85	35.89	102.38
		LN	177.61	143.66	30.51	72.32
		MN	114.94	86.28	22.21	31.17
		HN	188.95	112.82	24.77	46.98
	YG	ZN	128.14	294.57	10.23	199.15
		LN	134.57	106.76	10.14	48.17
		MN	129.20	139.38	10.27	70.75
		HN	128.44	148.48	9.68	79.33
	BS	ZN	119.27	270.10	20.75	174.17
		LN	147.35	152.56	11.82	79.82
		MN	122.21	176.54	9.62	97.80
		HN	120.20	178.70	8.84	101.05
		Mean	138.18a	165.89a	17.06a	91.93a
ANOVA		T	7.51*	51.78**	4.46	54.00**
		V	10.24*	137.77**	205.45**	108.76**
		T × V	1.61ns	5.44*	1.71ns	7.39**
		N	3.*96*	66.51**	9.06**	59.39**
		T × N	1.42ns	11.09**	4.68*	11.34**
		V × N	1.74ns	2.31ns	3.98*	2.03ns
		T × V × N	0.53ns	9.00**	2.68*	8.59**

Means with different lowercase letter(s) differ statistically at p < .05.

Abbreviations: BS, Basmati‐385; YG, Yugengyou14; YX, Yuxiangyouzhan.

^*Significant at p < .05;

^**Significant at p < .01; ns: nonsignificant.