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Table 2 Disease evaluation of rice lines for resistance to rice bacterial blight

From: Marker-assisted breeding of the rice restorer line Wanhui 6725 for disease resistance, submergence tolerance and aromatic fragrance

Strain

Origin

Lesion length (cm) and resistance scorea

MH725

WH421

IRBB27

WH6725

II-32A

II-32A/MH725

II-32A/WH6725

Aust-2031

Australia

34.0 ± 3.4 (S)

4.5 ± 1.4 (MR)

0.4 ± 0.3 (R)

0.2 ± 0.1 (R)

12.0 ± 8.4 (S)

12.5 ± 2.1 (S)

0.1 ± 0.0 (R)

Aust-R3

Australia

21.4 ± 3.2 (S)

4.3 ± 1.5 (MR)

0.1 ± 0.0 (R)

0.2 ± 0.0 (R)

0.2 ± 0.1 (R)

0.2 ± 0.1 (R)

0.1 ± 0.0 (R)

GD1358

China

9.5 ± 0.7 (S)

2.6 ± 1.9 (R)

0.2 ± 0.1 (R)

0.2 ± 0.1 (R)

16.3 ± 10.6 (S)

15.1 ± 1.9 (S)

0.2 ± 0.1 (R)

HB17

China

9.6 ± 1.6 (S)

3.2 ± 2.3 (MR)

0.9 ± 1.2 (R)

0.1 ± 0.1 (R)

26.8 ± 7.7 (S)

33.6 ± 4.7 (S)

1.3 ± 0.5 (R)

HB21

China

14.2 ± 5.3 (S)

3.3 ± 1.5 (MR)

0.2 ± 0.1 (R)

0.1 ± 0.1 (R)

25.3 ± 3.2 (S)

10.5 ± 0.4 (S)

0.1 ± 0.1 (R)

HLJ72

China

4.4 ± 0.7 (MR)

2.8 ± 1.6 (R)

2.9 ± 1.2 (R)

0.1 ± 0.1 (R)

16.3 ± 3.0 (S)

0.4 ± 0.3 (R)

0.1 ± 0.0 (R)

JS49-6

China

41.7 ± 5.1 (S)

2.9 ± 1.7 (R)

0.1 ± 0.1 (R)

0.2 ± 0.0 (R)

22.6 ± 2.8 (S)

24.2 ± 5.3 (S)

0.2 ± 0.1 (R)

LN57

China

8.5 ± 4.4 (MS)

3.3 ± 1.4 (MR)

0.3 ± 0.2 (R)

0.2 ± 0.1 (R)

1.1 ± 0.8 (R)

0.2 ± 0.1 (R)

0.1 ± 0.0 (R)

NX42

China

17.9 ± 4.5 (S)

3.7 ± 2.0 (MR)

0.3 ± 0.6 (R)

0.1 ± 0.1 (R)

25.4 ± 5.1 (S)

27.6 ± 2.5 (S)

2.2 ± 0.6 (R)

ZHE173

China

27.9 ± 5.4 (S)

3.8 ± 4.2 (MR)

18.4 ± 2.6 (S)

0.2 ± 0.1 (R)

21.4 ± 3.0 (S)

23.9 ± 3.6 (S)

2.5 ± 0.7 (R)

CIAT1185

Columbia

13.7 ± 1.5 (S)

4.7 ± 3.7 (MR)

0.2 ± 0.1 (R)

0.1 ± 0.1 (R)

20.1 ± 2.9 (S)

14.7 ± 3.1 (S)

0.1 ± 0.1 (R)

A3842

India

30.7 ± 4.3 (S)

18.0 ± 7.9 (S)

0.2 ± 0.1 (R)

1.1 ± 1.3 (R)

25.4 ± 3.6 (S)

35.0 ± 3.2 (S)

0.2 ± 0.1 (R)

A3857

India

9.6 ± 1.0 (S)

5.8 ± 1.8 (MR)

0.1 ± 0.0 (R)

0.2 ± 0.1 (R)

27.3 ± 4.5 (S)

27.7 ± 7.5 (S)

0.2 ± 0.1 (R)

IXO56

Indonesia

18.6 ± 5.6 (S)

5.9 ± 3.7 (MR)

0.2 ± 0.1 (R)

0.2 ± 0.1 (R)

27.4 ± 3.0 (S)

30.9 ± 3.8 (S)

2.2 ± 1.2 (R)

H75373

Japan

9.7 ± 3.0 (S)

5.3 ± 4.9 (MR)

1.0 ± 1.2 (R)

0.2 ± 0.1 (R)

26.6 ± 3.5 (S)

29.0 ± 3.7 (S)

0.2 ± 0.1 (R)

T7174

Japan

18.6 ± 3.2 (S)

2.7 ± 2.0 (R)

0.1 ± 0.0 (R)

0.2 ± 0.1 (R)

15.0 ± 5.0 (S)

10.2 ± 0.5 (S)

0.1 ± 0.0 (R)

JW89011

Korea

14.7 ± 3.2 (S)

10.7 ± 9.6 (S)

0.5 ± 0.6 (R)

1.1 ± 1.2 (R)

23.1 ± 4.6 (S)

11.3 ± 0.6 (S)

0.1 ± 0.0 (R)

K202

Korea

17.0 ± 4.5 (S)

2.7 ± 1.1 (R)

18.7 ± 5.5 (S)

0.3 ± 0.2 (R)

30.7 ± 2.8 (S)

35.0 ± 3.4 (S)

2.5 ± 0.8 (R)

NXO260

Nepal

12.7 ± 0.7 (S)

9.2 ± 3.6 (S)

0.3 ± 0.2 (R)

0.1 ± 0.1 (R)

30.1 ± 2.0 (S)

29.5 ± 2.5 (S)

0.1 ± 0.1 (R)

PXO86(R2)

Philippines

8.0 ± 4.9 (MS)

1.3 ± 1.0 (R)

0.3 ± 0.2 (R)

0.2 ± 0.1 (R)

22.6 ± 2.7 (S)

17.9 ± 4.1 (S)

0.2 ± 0.1 (R)

PXO79(R3)

Philippines

12.9 ± 4.2 (S)

1.5 ± 1.1 (R)

0.3 ± 0.1 (R)

0.2 ± 0.1 (R)

17.4 ± 2.1 (S)

15.3 ± 2.5 (S)

0.2 ± 0.1 (R)

PXO71(R4)

Philippines

9.4 ± 3.1 (S)

2.2 ± 1.4 (R)

0.6 ± 0.3 (R)

0.2 ± 0.1 (R)

26.9 ± 2.7 (S)

24.4 ± 8.8 (S)

0.1 ± 0.1 (R)

PXO113(R4)

Philippines

30.1 ± 5.6 (S)

0.1 ± 0.1 (R)

0.2 ± 0.2 (R)

0.1 ± 0.1 (R)

25.8 ± 3.6 (S)

11.4 ± 9.1 (S)

0.1 ± 0.1 (R)

PXO112(R5)

Philippines

25.4 ± 4.7 (S)

0.8 ± 0.7 (R)

0.1 ± 0.1 (R)

0.1 ± 0.1 (R)

4.0 ± 1.0 (MR)

0.3 ± 0.1 (R)

0.1 ± 0.1 (R)

PXO99(R6)

Philippines

19.9 ± 5.5 (S)

16.3 ± 5.9 (S)

0.1 ± 0.0 (R)

0.1 ± 0.0 (R)

27.9 ± 2.8 (S)

25.3 ± 4.8 (S)

1.5 ± 1.5 (R)

Thai R-7

Thailand

34.0 ± 3.4 (S)

14.5 ± 6.0 (S)

0.5 ± 0.8 (R)

0.1 ± 0.1 (R)

20.3 ± 3.8 (S)

18.4 ± 4.9 (S)

0.8 ± 0.9 (R)

Thai R-2

Thailand

21.4 ± 3.2 (S)

4.4 ± 2.3 (MR)

22.6 ± 3.5 (S)

0.1 ± 0.1 (R)

18.6 ± 5.6 (S)

22.4 ± 2.2 (S)

2.4 ± 0.4 (R)

  1. aThe lesion length (L.L.) of bacterial blight is the average of 16 infected leaves from 4 inoculated plants. The standard deviation of the mean is indicated. For disease score: R, resistant, lesion length (L.L.) ≤ 3.0 cm; MR, moderately resistant, 3.0 cm < L.L. ≤ 6.0 cm; MS, moderately susceptible, 6.0 cm < L.L. ≤ 9.0 cm; S, susceptible, L.L. > 9.0 cm