Table 1
First and second degree statistics of rye testcross progenies
Traits Parental mean Testcross progenies
1 2 Mean σG2 σGxE2 σe2 h2
Pop-A
Plant height [cm] 118.6 118.0 117.9 7.5** 3.4** 8.3 0.87
Yield-related traits:
Grain yield [Mg ha-1] 8.33 7.95 8.18 0.035** 0.074** 0.077 0.70
TKW [g] 35.3 34.5 34.6 1.0** 0.9** 0.9 0.85
Single ear weight [g] 2.01 2.06 1.98 0.01** 0.01** 0.01 0.63
Quality-related traits:
Test weight [kg] 69.7 70.0 70.2 0.45** 0.4** 0.2 0.88
Falling number [s] a 173.3 174.0 171.8 62.2** 124.9** 345.1 0.44
Total pentosan content [%] 10.10 9.89 10.04 0.04** 0.08** 0.04 0.65
Soluble pentosan content [%] 2.29 2.25 2.29 0.002** 0.01** 0.01 0.33
Protein content [%] 9.55 9.53 9.51 0.02** 0.09** 0.06 0.48
Starch content [%] 61.53 61.61 61.62 0.23** 0.23 0.17 0.77
Pop-B
Plant height [cm] 117.4 112.4 115.6 12.0** 4.5** 6.3 0.92
Yield-related traits:
Grain yield [Mg ha-1] 8.44 7.33 7.82 0.037** 0.087** 0.071 0.70
TKW [g] 35.1 33.8 34.0 0.9** 0.9** 0.8 0.85
Single ear weight [g] 1.93 1.94 1.92 0.003** 0.005** 0.01 0.52
Quality-related traits:
Test weight [kg] 69.9 71.8 70.9 0.8** 0.4** 0.3 0.92
Falling number [s] a 185.6 175.2 180.7 35.8** 41.0* 302.9 0.39
Total pentosan content [%] 10.32 10.35 10.30 0.04** 0.09** 0.04 0.63
Soluble pentosan content [%] 2.33 2.18 2.22 0.003** 0.01** 0.01 0.46
Protein content [%] 9.70 10.0 9.81 0.06** 0.08** 0.05 0.74
Starch content [%] 61.40 61.45 61.53 0.44** 0.23 0.14 0.88

Means of parents (1 = Lo115, 2 = Lo90 in Pop-A and Lo117 in Pop-B, respectively) and each of 220 testcross progenies of two populations (Pop-A, Pop-B), estimates of variance components (genotype, σG2; genotype x environment interaction, σGxE2; error, σe2), and entry-mean heritabilities (h2) for agronomic and quality traits evaluated across six to ten environments.

aAnalysis across 5 environments.

Miedaner et al. BMC Genomics 2012 13:706   doi:10.1186/1471-2164-13-706

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