Alien chromosome segment from Aegilops speltoides and Dasypyrum villosum increases drought tolerance in wheat via profuse and deep root system

Table 7 Mean values for seed set percentage, individual seed weight (mg seed⁻¹) and seed yield (g plant^− 1) of six highest (top) and six lowest (bottom) ranked wheat–alien chromosome lines along with CS check under irrigation (control) and drought stress (water withheld for 16 d) (Experiment 3)

Rank	Seed set percentage			Individual seed weight (mg seed⁻¹)			Seed yield (g plant^− 1)
Rank	Line	Irrigated	Drought	Line	Irrigated	Drought	Line	Irrigated	Drought
Top 6
	TA5638	82.4 ± 1.9	59.8 ± 2.1	TA7598	37.1 ± 1.8	60.0 ± 4.5	TA5088	3.42 ± 0.13	2.27 ± 0.07
	TA7545	69.1 ± 2.9	55.8 ± 1.3	TA7619	43.6 ± 2.2	56.9 ± 3.7	TA7619	2.49 ± 0.14	1.78 ± 0.08
	TA5088	68.5 ± 1.5	55.8 ± 2.4	TA7599	56.0 ± 3.4	55.0 ± 3.6	TA5638	2.19 ± 0.10	1.61 ± 0.11
	TA7619	66.4 ± 1.1	53.2 ± 1.1	TA5617	42.7 ± 3.8	50.4 ± 6.5	TA7598	1.88 ± 0.13	1.31 ± 0.07
	TA5617	66.5 ± 2.1	51.7 ± 3.9	TA5638	22.9 ± 1.0	45.5 ± 2.4	TA5617	1.63 ± 0.30	1.29 ± 0.10
	TA7656	63.8 ± 1.2	48.4 ± 1.6	TA5088	45.0 ± 1.6	44.5 ± 4.4	TA7599	1.69 ± 0.10	1.26 ± 0.07
Bottom 6
	TA3583	72.3 ± 3.7	15.9 ± 1.5	TA3583	10.6 ± 0.4	9.4 ± 1.1	TA7665	0.76 ± 0.06	0.11 ± 0.01
	TA5584	66.0 ± 1.8	15.7 ± 1.0	TA7666	17.4 ± 2.3	9.2 ± 2.2	TA5584	0.29 ± 0.01	0.07 ± 0.01
	TA7544	61.4 ± 1.4	14.9 ± 1.2	TA7655	11.8 ± 2.2	8.8 ± 1.3	TA3583	0.262 ± 0.01	0.07 ± 0.01
	TA5624	71.2 ± 2.7	13.4 ± 1.1	TA5624	12.9 ± 0.7	8.6 ± 0.6	TA5624	0.45 ± 0.02	0.06 ± 0.02
	TA7688	68.0 ± 1.3	12.8 ± 1.1	TA5584	6.0 ± 0.4	7.8 ± 0.8	TA7544	0.72 ± 0.01	0.04 ± 0.01
	TA7655	48.2 ± 2.5	6.7 ± 1.2	TA7544	26.8 ± 1.0	6.7 ± 1.7	TA7655	0.30 ± 0.05	0.02 ± 0.01
Check (CS)
	TA3008	68.53 ± 4.0	34.00 ± 2.6	TA3008	21.65 ± 1.2	13.2 ± 1.8	TA3008	2.46 ± 0.14	0.51 ± 0.04
LSD (Genotype)			4.10			6.5			0.21
LSD (Genotype x Stress)			0.84			1.3			0.04

Genotypes were ranked based on the numerical values under drought stress. Values are means ± standard error of the respective trait. CS Chinese Spring, LSD least significant difference. The top and bottom six genotypes are wheat–alien chromosome lines

ISSN: 1471-2229