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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