TABLE 3

Genetic effects for growth-related traits in Arabidopsis thaliana hybrid C24 × Col-0 estimated by the generation-means analysis described in the theory section

ParameteraRD22 (mm)RD29 (mm)GR (mm/day)LA22 (mm2)LA29 (mm2)DMC (%)BY (mg)
μ40.04 ± 0.90**81.66 ± 1.92**5.95 ± 0.20**511.1 ± 21.7**2395 ± 107**7.11 ± 0.09**56.59 ± 2.70**
c1.77 ± 0.505.75 ± 0.93**0.57 ± 0.09**55.4 ± 12.5**336 ± 55**−0.10 ± 0.057.39 ± 1.33**
[a]1.47 ± 0.474.13 ± 0.88**0.38 ± 0.09**22.8 ± 11.8162 ± 510.18 ± 0.05*6.20 ± 1.25**
[d]7.11 ± 1.41**22.33 ± 2.60**2.17 ± 0.26**175.8 ± 35.1**1233 ± 153**−0.26 ± 0.1322.60 ± 3.73**
[aa]1.39 ± 1.297.26 ± 2.380.84 ± 0.2451.4 ± 32.1452 ± 1400.06 ± 0.128.05 ± 3.41
asMean−2.40 ± 0.49**−0.87 ± 1.040.22 ± 0.11*−72.2 ± 11.9**−128 ± 58*−0.05 ± 0.05−8.23 ± 1.49**
dsMean1.91 ± 0.42**2.43 ± 0.87**0.07 ± 0.0945.4 ± 10.3**103 ± 49*0.10 ± 0.04*5.26 ± 1.25**
[aas]Mean6.07 ± 0.76**,c7.46 ± 1.60**0.20 ± 0.17170.3 ± 18.3**425 ± 89**0.17 ± 0.08*15.86 ± 2.30**
ds/|as|bMean0.490.410.550.820.38
[aas]/|as|cMean0.991.111.011.051.311.01
Total no. QTLd101012537
asNo. pos.e1111
asNo. neg.710215
dsNo. pos.32131
[aas]No. pos.8112437
Model with [aa], [aas]
Embedded Image130.36**88.86**67.28142.78**99.61**87.57**153.96**
Model without [aa], [aas]
Embedded Image288.87**182.71**160.87**373.12**229.93**167.64**349.87**
  • For a description of growth-related traits see materials and methods. *P < 0.05, **P < 0.01.

  • a For a detailed explanation of the terminology and definition of genetic effects, see materials and methods.

  • b Mean of the ratio ds/|as| for NIL1-s and NIL2-s with a significant genetic effect (as and/or ds).

  • c Mean of the ratio [aas]/|as| for NIL1-s and NIL2-s with a significant genetic effect (as and/or [aas]).

  • d Total number of NILs with a significant genetic effect (as and/or ds and/or [aas]).

  • e Number of NILs with positive or negative effects for as, ds, or [aas].