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Table 1 (a) Results of the analysis of variance, (b) maximal, minimal and median values and heritability of traits

From: RADIX: rhizoslide platform allowing high throughput digital image analysis of root system expansion

a Root traits Shoot traits
ERCr ICCr MedLat MaxLat NoLat DWR
1st 2nd 1st 2nd 1st 2nd Embryonic Crown ERLf ICS LAPix LAm DWS SPAD N
cm/d cm cm cm cm cm Counts Counts mg mg Pixel/d Pixel Pixel cm2 g Relative %
Genotype n.s. n.s. ** * n.s. *** *** *** n.s. ** *** ** *** * * n.s. **
Treatment *** n.s. *** *** *** *** *** *** *** *** NA NA NA NA NA NA NA
G:T n.s. n.s. ** *** * ** n.s. n.s. n.s. *** NA NA NA NA NA NA NA
b Treatment Root traits Shoot traits
ERCr ICCr MedLat MaxLat NoLat DWR [mg]
1st 2nd 1st 2nd 1st 2nd Embryonic Crown ERLf ICS LAPix LAm DWS SPAD N
cm/d cm cm cm cm cm Counts Counts mg mg Pixel/d Pixel Pixel cm2 g Relative %
Max High 1.77 12.71 1.21 0.77 1.87 2.58 61.93 47.40 29.42 41.89 1914 1998 22,331 108.18 0.343 29.59 5.07
Low 1.31 13.42 0.49 0.84 1.85 2.75 38.14 50.57 22.53 35.50        
Min High 1.44 8.46 1.04 0.15 1.08 0.60 41.33 12.92 28.32 29.92 1023 527 12,261 71.75 0.117 29.59 3.61
Low 1.06 9.17 0.32 0.24 1.06 0.71 17.54 16.37 20.79 15.79        
Median High 1.65 11.12 1.09 0.47 1.45 1.72 50.56 28.90 28.73 34.63 1434 1301 16,556 86.4 0.192 29.59 4.30
Low 1.16 11.83 0.37 0.46 1.48 1.77 26.77 33.30 21.42 22.10        
h2mean High 0.41 0.03 0.72 0.61 0.41 0.69 0.53 0.57 0.07 0.15 0.58 0.53 0.59 0.45 0.46 0 0.52
Low 0 0.03 0.26 0.42 0 0.59 0.34 0.30 0.19 0.57        
  1. ER Cr Elongation rate crown roots; intercept, IC Cs length of crown roots at solution change; Med Lat length of representative lateral root; Max Lat maximal lateral root length; No Lat number of lateral roots; DW R root dry weight; ER S shoot pixel count development; intercept, IC Cr shoot pixel count at solution change; LA Pix digital leaf area; LA m measured leaf area; DW S shoot dry weight; SPAD chlorophyll measurements, N content in the leaf in % of total dry weight. Significance level: *** ≤0.001; ** ≤0.01; * ≤0.05