Integrative Biology Journals

JOURNAL OF FORESTRY RESEARCH ›› 2023, Vol. 34 ›› Issue (2): 401-414.DOI: 10.1007/s11676-022-01522-0

• Original Paper • Previous Articles     Next Articles

Effects of site conditions on growth and wood properties of Populus ×  euramericana cv. ‘74/76’

Jianmin Fan1,3, Changjun Ding2, Shijie Wang1,3, Changming Ma4, Chao Zhang1,3, Yongtan Li1,3, Jinmao Wang1,3,g, Minsheng Yang1,3,h, Xiaohua Su2,j   

  1. 1 Forest Department, Forestry College, Hebei Agricultural University, 071000, Baoding, People’s Republic of China
    2 Research Institute of Forestry, Chinese Academy of Forestry, 100091, Beijing, People’s Republic of China
    3 Hebei Key Laboratory for Tree Genetic Resources and Forest Protection, 071000, Baoding, People’s Republic of China
    4 Forestry College, Hebei Agricultural University, 071000, Baoding, People’s Republic of China
  • Received:2022-01-22 Accepted:2022-05-05 Online:2024-10-16 Published:2024-10-16
  • Contact: Jinmao Wang, Minsheng Yang, Xiaohua Su

Abstract:

The growth and wood properties of 240 individual Populus ×  euramericana cv. ‘74/76’ (hereafter poplar 107) trees planted in Hebei Plain, China was evaluated. Mean annual increments in height, breast height diameter and volume, as well as cellulose, hemicellulose and lignin contents, shrinkage, density, bending strength and modulus of elasticity in the heartwood and sapwood. Environmental factors influencing growth and wood properties were analyzed using correlation and stepwise regression. The results show that the coefficients of variation (CVs) of growth traits ranged from 10.6 to 22.4%. The CVs of the chemical properties of heartwood ranged from 4.3 to 30.2%, and for sapwood from 3.2 to 27.5%. The CVs of the physical and mechanical properties of heartwood ranged from 8.6 to 31.7%, and for sapwood from 6.4 to 29.9%. The results of one-way ANOVA showed that there were significant differences in growth traits and wood properties among sites. Soil pH, total and available phosphorus, total potassium, and soil organic matter were key soil factors affecting growth and wood properties of poplar 107, whereas mean annual ground temperatures and precipitation were the main climatic factors. To better cultivate poplar 107, area with less annual rainfall, slightly higher temperature and soil pH value close to neutral should be selected.

Key words: Poplar clone, Environmental factors, Growth, Wood density, Mechanical properties, Wood chemical composition