Genotype

YP

YS

Mp

GMP

TOL

SSI

STI

421066

30.7

8.00

19.35

15.67

22.70

0.999

0.959

194573.9

32.3

6.80

19.55

14.82

22.50

1.067

0.858

192033.3

25.0

7.70

16.35

13.87

17.30

0.935

0.752

187017.1

26.8

6.30

16.55

12.99

20.50

0.034

0.660

189135.9

17.4

7.60

12.50

11.50

9.80

0.761

0.517

194515.2

21.6

6.00

13.80

11.38

15.60

0.976

0.506

420014

20.4

6.29

13.30

11.25

14.20

0.941

0.494

441097

18.4

4.60

11.50

9.20

13.80

1.014

0.331

K566632

15.7

3.22

9.46

7.11

12.48

1.074

0.197

440287

7.1

6.00

6.55

6.52

1.10

0.209

0.166

441725

20.9

1.70

11.30

5.96

19.20

1.241

0.139

194549.6

8.7

3.60

6.15

5.59

5.10

0.792

0.122

189148.2

13.6

2.30

7.95

5.59

11.30

1.123

0.122

440286

8.4

3.60

6.00

5.50

4.80

0.772

0.118

441538

10.6

2.70

6.65

5.35

7.90

1.007

0.112

422656

17.6

1.30

9.45

4.79

16.30

1.252

0.089

440240

6.4

1.70

4.05

3.30

4.70

0.992

0.043

440001

15.9

0.20

8.05

1.79

15.70

1.334

0.012

Marooko

0.9

0.80

0.85

0.84

0.10

0.150

0.003

401055

1.2

0.18

0.69

0.45

1.02

1.149

0.001

Mean

15.98

4.03

7.67

7.67

11.96

0.94

0.31

LSD(0.05)

3.56

1.04

2.16

1.84

2.96

0.12

0.10

YP: Total root yield under normal irrigation condition; YS: Total root yield under water deficit condition; MP: Mean productivity; GMP: Geometric mean productivity; STI: Stress tolerance index; TOL: Tolerance; SSI: Stress susceptibility index
Table 7: Estimation of drought tolerance indices based on total root yield of sweetpotato genotypes under normal irrigation and water deficit conditions in Marigat (SI= 0.84).