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Table 1 Disease resistance reaction at seedling stage of breeding lines, susceptible check (CO39), and parents to 35 rice blast isolates under artificial inoculation in the greenhouse in 2017

From: Improving rice blast resistance of Feng39S through molecular marker-assisted backcrossing

Races of P. grisea

Code of isolates

CO39

Feng39S

DB16206–34

DB16206–38

Hua1201S

B01

GD-17KP01

S

S

R

R

R

B03

GD-17KP02

S

R

R

R

R

B05

GD-17KP03

S

S

R

R

R

B09

GD-17KP04

S

S

R

R

R

B13

GD-17KP05

S

S

R

R

R

B13

GD-17KP06

S

S

R

R

R

B13

GD-17KP07

S

S

R

R

R

B13

GD-17KP08

S

S

R

R

R

B13

GD-17KP09

S

R

R

R

R

B13

GD-17KP10

S

S

R

R

NA

B13

GD-17KP11

S

S

R

R

R

B13

GD-17KP12

S

S

R

R

R

B13

GD-17KP13

S

S

R

R

R

B13

GD-17KP14

S

S

R

R

R

B13

GD-17KP15

S

S

R

R

R

B15

GD-17KP16

S

R

R

R

R

B15

GD-17KP17

S

S

R

R

R

B17

GD-17KP18

S

S

R

R

R

B29

GD-17KP19

S

S

R

R

R

C05

GD-17KP20

S

S

R

R

R

C13

GD-17KP21

S

S

R

R

R

C13

GD-17KP22

S

S

R

R

R

C13

GD-17KP23

S

S

R

R

R

C13

GD-17KP24

S

S

R

R

R

C13

GD-17KP25

S

S

R

R

R

C15

GD-17KP26

S

R

R

R

R

C15

GD-17KP27

S

S

R

R

R

C15

GD-17KP28

S

S

R

R

R

C15

GD-17KP29

S

R

R

R

S

C15

GD-17KP30

S

S

S

S

S

C15

GD-17KP31

S

R

R

R

R

F01

GD-17KP32

S

S

R

R

R

F01

GD-17KP33

S

S

R

R

R

G01

GD-17KP34

S

R

R

R

R

G01

GD-17KP35

S

R

R

R

R

Number of resistant isolates

0

8

34

34

32

Number of susceptible isolates

35

27

1

1

2

Total resistance frequency (%)

0.00

17.14

97.14

97.14

94.12

  1. Note: R: the lesion score is 1–3, indicating resistant against the blast isolate; S: the lesion score is 4–9, indicating susceptible; NA Not applicable