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Table 2 Phenotypic variation for heat stress tolerance indices in Nagina22/IR 64 RIL mapping population

From: High Resolution Mapping of QTLs for Heat Tolerance in Rice Using a 5K SNP Array

S. No.

Traits

RILs

N22

IR64

Minimum

Maximum

Range

Mean

SDa

CVb

1

SSI for % spikelet sterility

−0.10919

5.9246

6.03379

1.6576

1.2916

0.77919

2.422

1.418

2

STI for % spikeletsterility

0.38193

13.9979

13.6159

4.5501

3.1156

0.68473

1.576

5.106

3

STI for yield per plant

0.00469

1.33855

1.33386

0.2805

0.2395

0.85383

0.3314

0.066

4

SSI for yield per plant

0.00782

1.37249

1.36467

0.9764

0.3084

0.31585

0.9142

1.1918

  1. aStandard Deviation
  2. bCoefficient of variation