2014 Vol. 31, No. 4
column
2014, 31(4): 570-576.
doi: 10.11833/j.issn.2095-0756.2014.04.012
Abstract:
To study the growth-promoting mechanisms of Burkholderia multivorans WS-FJ9 on poplars, photosynthetic indexes[net photosynthetic rate (Pn), transpiration rate (Tr), stomatal conductance (Gs), and intercellular CO2 concentration (Ci)] and fluorescenc...
To study the growth-promoting mechanisms of Burkholderia multivorans WS-FJ9 on poplars, photosynthetic indexes[net photosynthetic rate (Pn), transpiration rate (Tr), stomatal conductance (Gs), and intercellular CO2 concentration (Ci)] and fluorescenc...
2014, 31(4): 495-501.
doi: 10.11833/j.issn.2095-0756.2014.04.001
Abstract:
The pyrolysis characteristic and kinetics of bamboo holo-celluloce with different heating rate (5.0, 10.0, 15.0, 20.0 and 30.0℃·min-1) were investigated using TG-FTIR. TG/DTG curves showed that the pyrolysis process of bamboo holo-celluloce was divid...
The pyrolysis characteristic and kinetics of bamboo holo-celluloce with different heating rate (5.0, 10.0, 15.0, 20.0 and 30.0℃·min-1) were investigated using TG-FTIR. TG/DTG curves showed that the pyrolysis process of bamboo holo-celluloce was divid...
2014, 31(4): 502-507.
doi: 10.11833/j.issn.2095-0756.2014.04.002
Abstract:
The timber segregation method was conducted to study the morphological features of wood fiber in two provenances of Eucalyptus dunnii. Results showed the linear correlation between DBH and fiber length and the linear correlation between DBH and fiber...
The timber segregation method was conducted to study the morphological features of wood fiber in two provenances of Eucalyptus dunnii. Results showed the linear correlation between DBH and fiber length and the linear correlation between DBH and fiber...
2014, 31(4): 508-514.
doi: 10.11833/j.issn.2095-0756.2014.04.003
Abstract:
To develop more universal molecular markers for grasses, rich genetic information of bamboo plants and 14 pairs of primers were designed according to the conserved regions of the single-copy orthologous (COS Ⅱ) genes of the Poaceae (grass) family. Th...
To develop more universal molecular markers for grasses, rich genetic information of bamboo plants and 14 pairs of primers were designed according to the conserved regions of the single-copy orthologous (COS Ⅱ) genes of the Poaceae (grass) family. Th...
2014, 31(4): 515-520.
doi: 10.11833/j.issn.2095-0756.2014.04.004
Abstract:
3-deoxy-D-manno-octulosonate (KDO) 8-phosphate synthase (KDO8PS)[EC 4.1.2.16] is the rate-limiting enzyme in the KDO biosynthetic pathway. In this study, the KDO8PS gene (3-deoxy-d-manno-octulosonate-8-phosphate synthase) was cloned from fresh Phyllo...
3-deoxy-D-manno-octulosonate (KDO) 8-phosphate synthase (KDO8PS)[EC 4.1.2.16] is the rate-limiting enzyme in the KDO biosynthetic pathway. In this study, the KDO8PS gene (3-deoxy-d-manno-octulosonate-8-phosphate synthase) was cloned from fresh Phyllo...
2014, 31(4): 521-527.
doi: 10.11833/j.issn.2095-0756.2014.04.005
Abstract:
To evaluation the methylation status of different immature embryo stages of Carya cathayensis, DNA methylation variety was detected on immature embryos of Carya cathayensis, and an inter-simple sequence repeat (ISSR) analysis was performed to reveal ...
To evaluation the methylation status of different immature embryo stages of Carya cathayensis, DNA methylation variety was detected on immature embryos of Carya cathayensis, and an inter-simple sequence repeat (ISSR) analysis was performed to reveal ...
2014, 31(4): 528-533.
doi: 10.11833/j.issn.2095-0756.2014.04.006
Abstract:
To promote collection and the effective conservation of Carya illinoensis (pecan) pollen, male flowering habits and pollen vigor in four developmental stages with different storage conditions[a) room temperature, b) room temperature and dry; c) 4℃, d...
To promote collection and the effective conservation of Carya illinoensis (pecan) pollen, male flowering habits and pollen vigor in four developmental stages with different storage conditions[a) room temperature, b) room temperature and dry; c) 4℃, d...
2014, 31(4): 534-540.
doi: 10.11833/j.issn.2095-0756.2014.04.007
Abstract:
The suitable technology of extracting flavonoids from Chenopodium quinoa leaves using the ethanol reflux extraction method, as well as the analysis of flavonoid content with genotypic variation, were studied in the paper. The research aims to provide...
The suitable technology of extracting flavonoids from Chenopodium quinoa leaves using the ethanol reflux extraction method, as well as the analysis of flavonoid content with genotypic variation, were studied in the paper. The research aims to provide...
2014, 31(4): 541-546.
doi: 10.11833/j.issn.2095-0756.2014.04.008
Abstract:
Biochar with a huge active surface area can absorb anions, such as nitrate, in soils. To test adsorption efficiency of bamboo char on nitrate anions of soils, two types of soils (natural and cultivated) and two sizes of bamboo char particles[1-2 mm w...
Biochar with a huge active surface area can absorb anions, such as nitrate, in soils. To test adsorption efficiency of bamboo char on nitrate anions of soils, two types of soils (natural and cultivated) and two sizes of bamboo char particles[1-2 mm w...
2014, 31(4): 547-553.
doi: 10.11833/j.issn.2095-0756.2014.04.009
Abstract:
Phytoliths, the opals of amorphous silica, are deposited in the cell wall, cell lumen, and intercellular spaces during the growth of plants, especially gramineous plants. To provide references for regulation of phytolith carbon sinks, the phytolith d...
Phytoliths, the opals of amorphous silica, are deposited in the cell wall, cell lumen, and intercellular spaces during the growth of plants, especially gramineous plants. To provide references for regulation of phytolith carbon sinks, the phytolith d...
2014, 31(4): 554-559.
doi: 10.11833/j.issn.2095-0756.2014.04.010
Abstract:
Soil organic carbon is a vital soil component that affects the physical, chemical and biological properties of soils. The soil organic carbon pool is mainly composed of two components, that is, the inert or recalcitrant component and the labile or ac...
Soil organic carbon is a vital soil component that affects the physical, chemical and biological properties of soils. The soil organic carbon pool is mainly composed of two components, that is, the inert or recalcitrant component and the labile or ac...
2014, 31(4): 560-569.
doi: 10.11833/j.issn.2095-0756.2014.04.011
Abstract:
The study provides a new method for estimating leaf area index (LAI) and canopy closure (CC) of a Phyllostachys edulis stand. Through on ground investigation, spatial distribution of leaf area index and canopy closure were estimated using Cokriging a...
The study provides a new method for estimating leaf area index (LAI) and canopy closure (CC) of a Phyllostachys edulis stand. Through on ground investigation, spatial distribution of leaf area index and canopy closure were estimated using Cokriging a...
2014, 31(4): 577-582.
doi: 10.11833/j.issn.2095-0756.2014.04.013
Abstract:
Chlorophyll is the main pigment of plant photosynthesis, and chlorophyll content is used as an important indicator to evaluate photosynthetic efficiency, mutation, environmental stress and nutritional status for plants. To determine the best way to m...
Chlorophyll is the main pigment of plant photosynthesis, and chlorophyll content is used as an important indicator to evaluate photosynthetic efficiency, mutation, environmental stress and nutritional status for plants. To determine the best way to m...
2014, 31(4): 583-588.
doi: 10.11833/j.issn.2095-0756.2014.04.014
Abstract:
Recently, Alternanthera philoxeroides, an invasive species, is found to distributed widly in eastern Tiaoxi River which is as an important source of drinking water in Hangzhou City. The widely distribution of A. philoxeroides will be result in the wa...
Recently, Alternanthera philoxeroides, an invasive species, is found to distributed widly in eastern Tiaoxi River which is as an important source of drinking water in Hangzhou City. The widely distribution of A. philoxeroides will be result in the wa...
2014, 31(4): 589-596.
doi: 10.11833/j.issn.2095-0756.2014.04.015
Abstract:
Structure is one of the most important characteristics of a forest community, and population is its basic unit. The study on the age structure and the spatial distribution has important meanings to the research of population dynamics and community su...
Structure is one of the most important characteristics of a forest community, and population is its basic unit. The study on the age structure and the spatial distribution has important meanings to the research of population dynamics and community su...
2014, 31(4): 597-603.
doi: 10.11833/j.issn.2095-0756.2014.04.016
Abstract:
The species, distribution and phenological leaf color for fall-color, roadside trees along arterial roads in municipal districts of Hangzhou were analyzed. We chose several roads which were planted fall-color roadside trees to record ornamental chara...
The species, distribution and phenological leaf color for fall-color, roadside trees along arterial roads in municipal districts of Hangzhou were analyzed. We chose several roads which were planted fall-color roadside trees to record ornamental chara...
2014, 31(4): 604-610.
doi: 10.11833/j.issn.2095-0756.2014.04.017
Abstract:
A major reason for gaps in forests is windthrow, which is a kind of natural disaster with high frequency, broad cope and much wastage making it very important to understand the theoretical and practical aspects of windthrow. In this study, a nonlinea...
A major reason for gaps in forests is windthrow, which is a kind of natural disaster with high frequency, broad cope and much wastage making it very important to understand the theoretical and practical aspects of windthrow. In this study, a nonlinea...
2014, 31(4): 611-618.
doi: 10.11833/j.issn.2095-0756.2014.04.018
Abstract:
Based on a field investigation of Pinus massoniana ecological public welfare forests in the northwest of Zhejiang Province and using cluster analysis, diversity analysis and similarity analysis, the ecological benefits of P. massoniana forests and th...
Based on a field investigation of Pinus massoniana ecological public welfare forests in the northwest of Zhejiang Province and using cluster analysis, diversity analysis and similarity analysis, the ecological benefits of P. massoniana forests and th...
2014, 31(4): 619-624.
doi: 10.11833/j.issn.2095-0756.2014.04.019
Abstract:
According to system structure and construction goal, following the principles of scientificity, systematicness, uniqueness, compatibility, integrity and extensibility and using traditional classification methods, forestry ecological engineering can b...
According to system structure and construction goal, following the principles of scientificity, systematicness, uniqueness, compatibility, integrity and extensibility and using traditional classification methods, forestry ecological engineering can b...
2014, 31(4): 625-631.
doi: 10.11833/j.issn.2095-0756.2014.04.020
Abstract:
As a "propeller" to promote the transformation and upgrading of forestry industry, standardized forestry management is also an important measure to accelerate the transformation of scientific and technological achievements of forestry. This paper use...
As a "propeller" to promote the transformation and upgrading of forestry industry, standardized forestry management is also an important measure to accelerate the transformation of scientific and technological achievements of forestry. This paper use...
2014, 31(4): 632-638.
doi: 10.11833/j.issn.2095-0756.2014.04.021
Abstract:
Technical and economic analysis methods, including dynamic analysis, Break-Even analysis and One-Way Sensitivity analysis, were adopted to study production costs, economic indexes including the cumulative net present value (VNPV), internal rate of re...
Technical and economic analysis methods, including dynamic analysis, Break-Even analysis and One-Way Sensitivity analysis, were adopted to study production costs, economic indexes including the cumulative net present value (VNPV), internal rate of re...
2014, 31(4): 639-646.
doi: 10.11833/j.issn.2095-0756.2014.04.022
Abstract:
The mechanism that bamboo charcoal's electrical conductivity was generated by the ion or π electron movement and related to the graphitization degree was analyzed in this paper. The impact of bamboo forest site conditions, different parts of bamboo t...
The mechanism that bamboo charcoal's electrical conductivity was generated by the ion or π electron movement and related to the graphitization degree was analyzed in this paper. The impact of bamboo forest site conditions, different parts of bamboo t...
2014, 31(4): 647-653.
doi: 10.11833/j.issn.2095-0756.2014.04.023
Abstract:
To determine the variation of aromatic constituents and their relative content in different flowering stages of Wisteria floribunda, constituents and their relative content of volatile organic compounds (VOCs) were analyzed using the dynamic headspac...
To determine the variation of aromatic constituents and their relative content in different flowering stages of Wisteria floribunda, constituents and their relative content of volatile organic compounds (VOCs) were analyzed using the dynamic headspac...
2014, 31(4): 654-657.
doi: 10.11833/j.issn.2095-0756.2014.04.024
Abstract:
To analyze the chemical components of volatile oil from the leaves of Pseudolarix amabilis, volatile oil from the leaves was extracted by steam distillation and the components were analyzed by gas chromatography-mass spectrometry (GC-MS) using peak a...
To analyze the chemical components of volatile oil from the leaves of Pseudolarix amabilis, volatile oil from the leaves was extracted by steam distillation and the components were analyzed by gas chromatography-mass spectrometry (GC-MS) using peak a...
2014, 31(4): 658-662.
doi: 10.11833/j.issn.2095-0756.2014.04.025
Abstract:
The purpose is to provide theoretical basis for developing a new type of natural antiseptic products. The antimicrobial activity of Carya illinoensis leaves was determined through extraction, in vitro, with 75% ethanol and then fractionated with petr...
The purpose is to provide theoretical basis for developing a new type of natural antiseptic products. The antimicrobial activity of Carya illinoensis leaves was determined through extraction, in vitro, with 75% ethanol and then fractionated with petr...
