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Table 5 Panicle blast resistance of tested lines under field conditions

From: Improvement of rice blast resistance by developing monogenic lines, two-gene pyramids and three-gene pyramid through MAS

Lines

Conghua

Yangjiang

Rating of severely infected panicles

Ratio of severely infected panicles

Rating of severely infected panicles

Ratio of severely infected panicles

R501 (Pi46)

7a

90%

5a

70%

R502 (Pi2)

7

70%

5

50%

R503 (Pita)

9

100%

9

100%

R504 (Pi46+Pi2)

1

5%

1

3%

R505 (Pi46+Pita)

3

10%

3

5%

R506 (Pi2+Pita)

3

10%

3

5%

R507 (Pi46+Pi2+Pita)

1

5%

1

3%

R175

9

100%

9

100%

H4 (Pi46+Pita)

1

5%

1

3%

Huazhan (Pi2)

5

20%

5

15%

  1. Note: a the ratings of panicle blast disease. 0: no incidence of infected grains; 1: infected symptoms only at spikelets; 3: infected symptoms expand to second branches of a panicle; 5: infected symptoms expand to first branches of a panicle; 7: infected symptoms expand to the main branch of a panicle; 9: the whole panicle is infected severely.