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Table 1 Summary of QTL detected for leaf lamina shape characters in P. trichocarpa X P. deltoides X P. deltoides family 52–124, in the population growth in greenhouse in Florida. Asterisks indicate QTL detected in a subset of the same population established in a greenhouse in Michigan

From: Genetical genomics of Populus leaf shape variation

Trait Clonal Repeatability (Std Error) QTL # Linkage group Flanking Marker 1 Flanking Marker 2 Origin of positive allele LOD peak Phenotypic Variance Explained
Lamina Length .2186 (.0244) 1 IV G1809 G3847 P. deltoides 3.14 6.31 %
   2 XVI rP2143 O533 P. deltoides 2.68a 8.1 %
Lamina Width .2407 (.0249) 1 VI P2221 W12 P. trichocarpa 3.69 5.12 %
   2 X P2855 G2122 P. deltoides 4.59 5.99 %
Lamina Length:Width Ratio .3490 (.0276) 1 I G124 G2903 P. deltoides 4.51 6.16 %
   2 X P2855 G2122 P. trichocarpa 12.77 14.20 %
   2 X P2855 G2122 P. trichocarpa 4.49b 13.20 %
   3 XV G1245 G1424 P. deltoides 5.73 5.12 %
   4 XVII G3580 G641 P. trichocarpa 3.45 5.00 %
   5 XIX O597 G2319 P. deltoides 3.69 4.00 %
  1. a Genome-wide significant LOD peak at Michigan Technological University using composite interval mapping with MAPQTL software
  2. b Chromosome-wide significant LOD peak at Michigan Technological University using composite interval mapping with MAPQTL software