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Table 3 Disease or pest reaction of the gene pyramided lines under sequential or simultaneous exposure to the pests

From: Expression Profile of Defense Genes in Rice Lines Pyramided with Resistance Genes Against Bacterial Blight, Fungal Blast and Insect Gall Midge

S. No.

Test line

Exposure on

Reaction to BB

Reaction to BL

Reaction to GM

Lesion length (cm)

Rating

Damage score

Rating

Plant damage (%)

Rating

Day 1

Day 3

Mean ± SE

Mean ± SE

1

RPNF05

BB

GM

1.51 ± 0.16

R

  

0

R

2

GM

     

0

R

3

GM + BB

 

1.83 ± 0.21

R

  

0

R

4

GM

BB

1.51 ± 0.16

R

  

0

R

5

BB

 

1.83 ± 0.22

R

    

6

GM + BB + BL

 

1.53 ± 0.02

R

4.33 ± 0.33

MR

0

R

7

RPNF08

BL

BB

1.10 ± 0.04

R

1.6 ± 0.08

R

  

8

BB

 

1.26 ± 0.01

R

    

9

BL + BB

 

1.08 ± 0.04

R

1.76 ± 0.06

R

  
  1. BB Bacterial blight (Xanthomonas oryzae pv. oryzae – (IX020 strain), BL Blast (Magnaporthae oryzae – SP-28 strain), GM Gall midge (Orseolia oryzae – Biotype 1), R resistant, S Susceptible, MR Moderately resistant