Skip to main content

Table 5 Analysis of variance results and estimated repeatabilities for tree growth and wood chemical properties at each site

From: Chemical properties of wood are under stronger genetic control than growth traits in Populus tomentosa Carr.

Sites

Traits

Tree height

DBH

Stem volume

Extractives

Holocellulose

Lignin

Yanzhou

P value

0.389

0.516

0.786

0.355

0.760

<0.001

R b 2

0.763

R c 2

0.906 ± 0.0539

Gaotang

P value

<0.001

<0.001

<0.001

<0.001

0.006

0.165

R b 2

0.447

0.436

0.425

0.781

0.658

R c 2

0.829 ± 0.0803

0.823 ± 0.0826

0.820 ± 0.0838

0.919 ± 0.0469

0.761 ± 0.02

Xiangfen

P value

<0.001

0.020

0.005

0.321

0.767

0.010

R b 2

0.390

0.209

0.294

0.477

R c 2

0.794 ± 0.0935

0.614 ± 0.143

0.699 ± 0.123

0.726 ± 0.137

Zhengzhou

P value

<0.001

0.001

<0.001

0.006

0.106

<0.001

R b 2

0.623

0.354

0.434

0.511

0.751

R c 2

0.908 ± 0.0465

0.767 ± 0.102

0.818 ± 0.0845

0.758 ± 0.124

0.901 ± 0.0498

  1. DBH diameter at breast height