Table 1 Means and ranges for response to Puccinia striiformis f. sp. tritici of 875 spring wheat accessions from the NSGC in six environments (three locations × two years)
Mount Vernon (WA)Pullman (WA)Davis (CA)Across Environments
ITSEVITSEVITSEVITSEV
Mean4.551.84.150.73.948.34.150.3
Min.0.00.00.00.00.00.00.00.0
Max.9.01009.01009.01009.0100
Embedded Image0.0241****0.1199****0.0208****0.0759****0.0231****0.1201****0.0207****0.0951****
Embedded Image0.0003ns0.0112ns0.0077ns0.0302ns0.0019ns0.0088ns0.0025ns0.0100ns
Embedded Image0.000.000.000.000.0066**0.0295*0.000.0004ns
Embedded Image0.0091**0.0248****0.0086****0.0287****0.0066**0.0328*0.0123***0.0486****
Embedded Image0.840.870.720.720.750.770.890.91
  • Covariance estimates from the random model were calculated using the restricted maximum likelihood method on the transformed data. NSGC, National Small Grains Collection; IT, infection type; SEV, disease severity;Embedded Image, genotype variance estimate; Embedded Image, environment variance estimate; Embedded Image, genotype × environment variance estimate; Embedded Image, residual variance estimate; Embedded Image, broad sense heritability; ns, not significant.

  • * P < 0.05; **P < 0.01; ***P < 0.001; ****P < 0.0001.