Skip to main content

Table 2 Marker-trait associations in a set of 190 barley cultivars based on three statistical models

From: Nitrogen-metabolism related genes in barley - haplotype diversity, linkage mapping and associations with malting and kernel quality parameters

    GLM - PCA   MLM - Q5 + K   GLM - Q5  
Fragment SNP-/ID-marker Trait P Sign. P Sign. P Sign.
Nitrate Reduktase 1 (NAR)       
GB015-25 SNP3 Raw protein in malt [%] 0,0025 ** 0.005 ** 0.005 **
  SNP5 Raw protein in malt [%] 0,0025 ** 0.005 ** 0.005 **
  SNP11 Raw protein in malt [%] 0,002 **     
  SNP12 Raw protein in malt [%] 0,0054 **     
  SNP13 Raw protein in malt [%] 0,0053 **     
  SNP3 Soluble N [mg/100g_MTrS] 0,0126 **     
  SNP5 Soluble N [mg/100g_MTrS] 0,0126 **     
  SNP7 Fermentable Extract [%] 0,0067 **     
  SNP8 Fermentable Extract [%] 0,0067 **     
  SNP4 pH in malt      0.001 ***
  SNP11 pH in malt      0.008 **
  SNP12 pH in malt      0.009 **
  SNP13 pH in malt      0.009 **
Ferredoxin-dependent Glutamate Synthase (GOGAT)      
GB005 SNP1 Marketable Yield [dt/ha] 0,0079 ** 0.009 ** 0.007 **
  SNP2 Marketable Yield [dt/ha] 0,0086 ** 0.010 ** 0.009 **
  SNP3 Marketable Yield [dt/ha] 0,0086 ** 0.010 ** 0.009 **
  SNP4 Marketable Yield [dt/ha] 0,0079 ** 0.009 ** 0.007 **
  SNP5 Marketable Yield [dt/ha] 0,0079 ** 0.009 ** 0.007 **
  SNP2 Final attenuation [%]    0.005 ** 0.005 **
  SNP3 Final attenuation [%]    0.005 ** 0.005 **
  SNP1 Viscosity [mPas]   0.000 ***   
  SNP2 Viscosity [mPas]   0.000 ***   
Aspartate Aminotransferase (AAT)       
GB056 SNP2 Fermentable Extract [%]    0.001 *** 0.001 ***
  SNP3 Fermentable Extract [%] 0,0041 ** 0.002 ** 0.003 **
  SNP2 Friability [%]    0.006 ** 0.002 **
  SNP3 Malting quality index    0.014 ** 0.011 **
  SNP3 pH in malt    0.006 ** 0.002 **
  SNP4 pH in malt      0.007 **
Asparaginase (ASP)        
GB033 SNP1 Kernel formation [19] 0,0011 ***     
  SNP1 Glume Fineness [19] 0,00043812 ***     
  SNP1 pH in malt 0,00033973 ***    0.005 **
  1. GLM – PCA = General linear model considering Eigenvalues; MLM – Q5 + K = Mixed linear model considering population structure + kinship; GLM-Q5 = General linear model considering population structure assuming five groups. * P ≤ 0.05; **P ≤ 0.01; ***P ≤ 0.001.