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Table 1 Summary of genotyping results of the four molecular markers in 434 Chinese rice cultivars or breeding materials

From: Allele-specific marker-based assessment revealed that the rice blast resistance genes Pi2 and Pi9 have not been widely deployed in Chinese indica rice cultivars

Marker

Genotype (bp)

Corresponding donor line

No. of cultivars or breeding materials

 

Total

 

Indica

Japonica

 
    

Restorer lines of hybrid rice

Maintainer or sterile lines of hybrid rice

Conventional cultivars or breeding materials

Conventional cultivars or breeding materials

 
   

Total

91

61

225

57

434

Pi9-Pro

138

  

86

61

220

52

419

 

128

75-1-127 (Pi9)

 

0

0

0

0

0

 

111

C101A51 (Pi2) Toride-1 (Piz-t)

 

5

0

5

5

15

Pi2-LRR

PstI-439

  

90

61

225

57

433

 

PstI-399

C101A51 (Pi2)

 

1

0

0

0

1

 

HinfI-273

  

90

61

225

57

433

 

HinfI-235

C101A51 (Pi2)

 

1

0

0

0

1

Pi2SNPa

267

  

90

61

225

57

433

 

235

C101A51 (Pi2)

 

1

0

0

0

1

Pi9SNPb

126

  

91

61

225

57

434

 

108

75-1-127 (Pi9)

 

0

0

0

0

0

  1. a Pi2-type genotype for Pi2SNP is 235 bp
  2. b Pi9-type genotype for Pi9SNP is 108 bp