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Table 2 Disease resistance reactions of breeding lines, parents, and their derived hybrids to 22 rice blast isolates under artificial inoculation in greenhouse in 2018

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 DB16206–34/ 9311 DB16206–38/ 9311 Feng39S/ 9311 9311 DB16206–34/FXH No.1 DB16206–38/FXH No.1 Feng39S/FXH No.1 FXH No.1
B13 GD-18KP01 S S R R R R R S S R R S S
B13 GD-18KP02 S S R R R R R S S R R S S
B01 GD-18KP03 S S R R R R R S S R R S S
A13 GD-18KP04 S R R R R R R R S R R R S
A05 GD-18KP05 S S R R R R R S S R R S S
B13 GD-18KP06 S S R R R R R S R R R S S
C13 GD-18KP07 S S R R R R R S S R R S S
C09 GD-18KP08 S S R R R R R S R R R S S
A05 GD-18KP09 S S R R R S R S S S S S S
B13 GD-18KP10 S S R R R R R S S R R S S
B13 GD-18KP11 S S R R R R R S S S S S S
A37 GD-18KP12 S R R R R R R R R R R S S
B13 GD-18KP13 S S S S S S S S S S S S S
C05 GD-18KP14 S S R R R R R S S S S S S
C07 GD-18KP15 S S R R R R R S S R R S S
C05 GD-18KP16 S S R R R R R R R S R S S
A01 GD-18KP17 S S R R R R R S S R S S S
B13 GD-18KP18 S S R R R R R S S R R S S
C13 GD-18KP19 S R R R R R R R R S S S R
A09 GD-18KP20 S S S S S R R R R S S S S
A13 GD-18KP21 S S R R R R R S S R R R R
A13 GD-18KP22 S S R R R R R S S R R S S
Number of resistant isolates 0 3 20 20 20 20 21 5 6 15 15 2 2
Number of susceptible isolates 22 19 2 2 2 2 1 17 16 7 7 20 20
Total resistance frequency (%) 0.00 13.64 90.91 90.91 90.91 90.91 95.45 22.73 27.27 68.18 68.18 9.09 9.09
  1. Note: R: the lesion score is 1–3, indicating resistant against the blast isolate; S: the lesion score is 4–9, indicating susceptible