Skip to main content

Table 1 Details of traits for which QTL were mapped

From: Five QTL hotspots for yield in short rotation coppice bioenergy poplar: The Poplar Biomass Loci

Trait

Details

Description

Date

Units/details

SYL

SS

SS number of branches

Dec 2000

 

DIAM

SS

SS Diameter

Dec 2000

mm

HT-1

SS

SS Height

Dec 2000

m

HT-2

CC1-1

Height of leader

Jun 2001

m

Leaf-prod

CC1-1

Leaf production rate

Jun 2001

Leaves day-1

No-leaves

CC1-1

Leaf number on leader

Jun 2001

 

STM-No

CC1-1

Number of coppice shoots

Jun 2001

 

Pet_length

CC1-1

Petiole length

Jun 2001

mm

PI-1

CC1-1

Plastochron Index§

Jun 2001

 

STM_ext

CC1-1

Stem extension increment of leader

Jun 2001

mm day-1

C13

CC1-1

Carbon isotope discrimination

Jul 2001

‰

Leaf_area-1

CC1-1

Area of largest mature leaf on leader

Jul 2001

cm2

Leaf-ext

CC1-1

Extension rate of leaf Ln+1§

Jul 2001

mm day-1

Leaf-prod-1

CC1-1

Leaf production rate

Jul 2001

Leaves day-1

No_leaves-1

CC1-1

Leaf number on leader

Jul 2001

 

PI

CC1-1

Plastochron Index§

Jul 2001

 

SLA

CC1-1

Specific Leaf Area (largest leaf on leader)

Jul 2001

mm2 g-1

Cell-Area

CC1-1

Cell area of largest mature leaf

Aug 2001

μm-2

Cell-No

CC1-1

Calculated cell number

Aug 2001

leaf area/cell area

Leaf_area-2

CC1-1

Area of largest mature leaf on leader

Aug 2001

cm2

Budburst

CC2-1

Week of leaf flush (29th March to 9th May)

2002

 

HT-3

CC1-1

Height of leader

Feb 2002

m

STM-No-1

CC1-1

Number of coppice shoots

Feb 2002

 

Biomass

CC1-1

Calculated dry biomass yield*

Feb 2002

kg

B-DIAM

CC2-1

Total basal diameter of all coppice shoots

Feb 2002

mm

B-AREA

CC2-1

Total basal diameter of all coppice shoots

Feb 2002

mm2

STM_Vol

CC2-1

Stem volume index of leader*

Feb 2002

 

HT-4

CC2-4

Height of leader

Jan 2006

m

B-DIAM-1

CC2-4

Total basal diameter of coppice shoots

Jan 2006

mm

B-AREA-1

CC2-4

Total basal area of coppice shoots

Jan 2006

mm2

STM-No-2

CC2-4

Number of coppice shoots

Jan 2006

 

Biomass-1

CC2-4

Calculated dry biomass yield*

Jan 2006

Kg

  1. Details of traits for which QTL were mapped. SS refers to Single Stem. CC refers to Coppice Cycle where the first number indicates the cycle number and the second number the year within that cycle. §Refer to [12] for details. *Refer to [6] for details.