Journal of Genetic Engineering and Biotechnology

Table 2 Grain yield and its primary and physiological components for the genotypes grown under greenhouse conditions

From: Stress-induced expression of IPT gene in transgenic wheat reduces grain yield penalty under drought

		Pots (EXP2)					Microplots (EXP3)
Treatment	G	GY (g pl⁻¹)	GN	IGW (mg)	B (g pl⁻¹)	HI	GY (g m⁻²)	GN	IGW (mg)	B (g m⁻²)	HI
WW	WT	32.2^a	758.9^a	42.5^bc	95.6^a	0.34^a	463.4^bc	8651^d	53.5^a	1265^a	0.37^c
	TR1	31.3^a	782.5^a	40.3^c	93.8^a	0.33^a	557.8^a	11840^b	47.2^b	1334^a	0.42^b
	TR4	27.8^a	707.5^a	40.3^c	89.1	0.31^a	501.6^ab	11760^b	43.3^c	1303^a	0.39^bc
WD	WT	9.2^c	183.3^b	50.4^a	40.5^b	0.22^c	392.9^c	9029^cd	43.1^c	933^c	0.42^b
	TR1	16.0^b	348.0^b	46.8^ab	58.9^b	0.28^b	537.9^ab	13693^a	39.0^d	1114^b	0.48^a
	TR4	14.3^bc	282.3^b	50.6^a	51.4^b	0.28^b	422.9^c	10448^bc	40.3^cd	1026^bc	0.41^b
Genotype (G)		ns	ns	ns	ns	ns	**	***	***	ns	**
Water treatment (T)		***	***	***	***	***	**	ns	***	***	**
G × T		ns	ns	ns	ns	ns	ns	*	*	ns	ns
LSD		5.9	185.8	5.3	20.5	0.04	75.8	1518	3.7	143.8	0.03
ΔWW vs WD	WT	23.0	575.5	7.9	55.1	0.12	70.5	1387.2	10.5	331.8	0.05
	TR1	15.4	434.4	10.3	37.7	0.06	93.5	1942.5	8.2	277.7	0.07
	TR4	13.5	425.2	6.5	35.0	0.04	104.6	2026.9	3.0	220.1	0.03
Significance		**	*	ns	ns	ns	ns	ns	**	ns	ns

WW well-watered, WD water deficit, G genotype, T water treatment, GY grain yield, GN grain number, IGW individual grain number (mg), B above-ground biomass, HI harvest index. In pots, GY, GN, and B are expressed per plant, whereas in microplots, they are expressed per unit area (m²). Asterisks indicate significant differences (*p< 0.1; **p< 0.05; p< 0.001; ns, not significant). Means (n=3) sharing the same letters in columns do not differ (p< 0.1)

Back to article page