Biomass of<EM> Rhodiola fastigiata</EM>

LU Jie; ZHENG Wei-lie; LAN Xiao-zhong

Volume 25 Issue 6

Dec. 2008

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LU Jie, ZHENG Wei-lie, LAN Xiao-zhong. Biomass of Rhodiola fastigiata[J]. Journal of Zhejiang A&F University, 2008, 25(6): 743-748.

Citation:

LU Jie, ZHENG Wei-lie, LAN Xiao-zhong. Biomass of Rhodiola fastigiata[J]. Journal of Zhejiang A&F University, 2008, 25(6): 743-748.

Biomass of Rhodiola fastigiata

1.
Research Institute of Plateau Ecology，Tibet Agriculture and Animal Husbandry College，Linzhi 860000，Tibet，China;
2.
College of Life Science and Technology，Central South University of Forestry and Technology，Changsha 410004，Hunan，China;
3.
School of Animal Sciences and Technology，Tibet Agriculture and Animal Husbandry College，Linzhi 860000，Tibet，China

More Information

Corresponding author: ZHENG Wei-lie
Publish Date: 2008-12-20

Abstract

Rhodiola fastigiata is a famous，rare medicinal plant found in China. In order to rational utilization of this plant，its biomass was analyzed in four different habitats of Sejila Mountain in Tibet（Xizang） using correlation analysis. Results showed that environmental conditions affected average moisture content with scape and leaf ＞ belowground（root）＞ main and branch stems，but not the ratio of the average modular moisture content to the average moisture content. The ratio of the fresh weight of aboveground to belowground parts was 6.65；the dry weight ratio was 7.57；the average individual biomass was 5.721 3 g；and the resource capacity was 93.8 kg·hm－2. Biomass of main and branch stems，aboveground parts，and the individual plant showed similarities（P＜0.01） to stem rings，which correlation curves was“S”shaped；these were fit to a logistics equation；their environmental capacities were 12.749 7，13.226 9 and 15.534 5，and their corresponding instantaneous growth rates were 0.277 9，0.338 6 and 0.316 9，respectively. Stem and leaf biomass as well as belowground parts had a significant （P＜0.01） correlation with a polynomial，which were fit to a logistics equation. Also，basic diameter to biomass of various parts were fit to a power function with correlation coefficients of r =0.802 1 for the main and branch stems，r = 0.803 2 for the aboveground parts，and r = 0.812 9 for the individual plant. ［Ch，3 fig. 3 tab. 12 ref.］
- botany,
- Rhodiola fastigiata,
- moisture content,
- biomass,
- growth parameters

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Biomass of Rhodiola fastigiata

1. Research Institute of Plateau Ecology，Tibet Agriculture and Animal Husbandry College，Linzhi 860000，Tibet，China;

2. College of Life Science and Technology，Central South University of Forestry and Technology，Changsha 410004，Hunan，China;

3. School of Animal Sciences and Technology，Tibet Agriculture and Animal Husbandry College，Linzhi 860000，Tibet，China

Corresponding author: ZHENG Wei-lie

Publish Date: 2008-12-20

Key words:

Abstract: Rhodiola fastigiata is a famous，rare medicinal plant found in China. In order to rational utilization of this plant，its biomass was analyzed in four different habitats of Sejila Mountain in Tibet（Xizang） using correlation analysis. Results showed that environmental conditions affected average moisture content with scape and leaf ＞ belowground（root）＞ main and branch stems，but not the ratio of the average modular moisture content to the average moisture content. The ratio of the fresh weight of aboveground to belowground parts was 6.65；the dry weight ratio was 7.57；the average individual biomass was 5.721 3 g；and the resource capacity was 93.8 kg·hm－2. Biomass of main and branch stems，aboveground parts，and the individual plant showed similarities（P＜0.01） to stem rings，which correlation curves was“S”shaped；these were fit to a logistics equation；their environmental capacities were 12.749 7，13.226 9 and 15.534 5，and their corresponding instantaneous growth rates were 0.277 9，0.338 6 and 0.316 9，respectively. Stem and leaf biomass as well as belowground parts had a significant （P＜0.01） correlation with a polynomial，which were fit to a logistics equation. Also，basic diameter to biomass of various parts were fit to a power function with correlation coefficients of r =0.802 1 for the main and branch stems，r = 0.803 2 for the aboveground parts，and r = 0.812 9 for the individual plant. ［Ch，3 fig. 3 tab. 12 ref.］

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