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Table 1 Variance components analysis of root morphology, seed yield and leaf and seed mineral composition traits in Brassica napus, showing the variation (%) in the trait associated with genotype, habit, experimental design and residual factors, (seed size effect was calculated for the root traits only), as determined by Residual Maximum Likelihood (REML) analyses

From: Root morphology and seed and leaf ionomic traits in a Brassica napus L. diversity panel show wide phenotypic variation and are characteristic of crop habit

Variate Genotype Habit Experimental Seed diameter Residual
Root traits
 TRL 9 1 4 44 41
 PRL 11 6 3 35 45
 LRL 9 1 5 41 44
 MLRL 6 1 6 5 81
 LRN 9 4 5 41 43
 LRD 13 2 8 3 75
 Seed yield
 TSW 8 3 3 - 87
Leaf mineral composition
 Al 3 0 44 - 53
 As 4 2 67 - 27
 B 22 3 42 - 34
 Ba 23 1 42 - 34
 Ca 26 12 27 - 34
 Cd 11 1 59 - 29
 Cs 2 1 74 - 23
 Cu 17 5 29 - 49
 Fe 13 6 43 - 38
 K 35 4 30 - 32
 Mg 36 17 14 - 34
 Mn 15 5 48 - 32
 Mo 22 10 6 - 61
 Na 37 21 6 - 36
 P 21 8 17 - 55
 Rb 30 7 35 - 28
 S 40 15 17 - 28
 Se 0 0 85 - 15
 Sr 24 7 41 - 28
 Ti 9 3 65 - 23
 Zn 24 6 30 - 40
Seed mineral composition
 B 13 2 40 - 45
 Ca 16 9 26 - 49
 Cd 9 8 40 - 42
 Cu 32 0 6 - 62
 K 21 1 25 - 53
 Li 10 5 16 - 69
 Mg 6 18 52 - 24
 Mn 12 1 55 - 32
 Mo 41 21 7 - 31
 Na 12 3 26 - 59
 P 12 5 50 - 32
 Rb 14 3 36 - 46
 S 31 13 37 - 19
 Sr 9 8 27 - 57
 Zn 21 12 14 - 53
  1. TRL total root length, PRL primary root length, LRL total lateral root length, MLRL mean lateral root length, LRN lateral root number, LRD lateral root density, TSW Thousand Seed Weight. See Additional file 1: Table S10 for detailed information