2008 Vol. 25, No. 2

A heat and mass transfer model for high temperature drying of Chinese fir wood stick
LI Yan-jun, ZHANG Bi-guang, ZHANG Qi-sheng, LI Xian-jun, LIU Zhi-kun
2008, 25(2): 131-136.
[Abstract](1191) [PDF](94)
Abstract:
This objective is to determine the process parameters and control way in drying wood stick. A model for heat and mass transfer during high temperature convection drying of Chinese fir(Cunninghamia lanceolata) wood stick was developed for use with Chi...
Wood physical-mechanical properties of Taiwania flousiana compared to Cunninghamia lanceolata for plantation development
LIANG Hong-wen, HUANG Heng-chuan, HUANG Cheng-biao, HUANG Hai-zhong, LIANG Xin, MENG Yue-huan
2008, 25(2): 137-142.
[Abstract](1323) [PDF](92)
Abstract:
Researches in wood physical-mechanical of Taiwania flousiana were few,in order to judge the wood,wood physical-mechanical properties for 8,14,and 28 years old T. flousiana grown on the Shankou Forest Farm of Nandan,Guangxi Province were studied and c...
Distribution of crystals in Eucalyptus citriodora using scanning electron microscopy and energy dispersive X-ray analysis(SEM-EDXA)
YANG Yan, QIU Jian
2008, 25(2): 143-147.
[Abstract](1303) [PDF](138)
Abstract:
The distribution,morphology,content,and nanostructure of crystals in axial and radial distributions of Eucalyptus citriodora were studied using Scanning Electron Microscopy and Energy Dispersive X-Ray Analysis(SEM-EDXA).The samples were 30-year-old t...
Ethanol fermentation with xylose and glucose mixtures and Pichia stipitis
JI Geng-sheng, WANG Xing-wen, YONG Qiang, YU Shi-yuan
2008, 25(2): 148-152.
[Abstract](1133) [PDF](81)
Abstract:
Using vegetable fibre to ferment ethanol can relieve energy crunch and improve environment protection. Here batch and continuous fermentation of xylose and glucose mixtures with Pichia stipitis were studied to provide basis for industrialized ferment...
Anatomical comparison for rhizomes of Atractylodes macrocephala with different origins
HUANG You-jun, WANG Pei-jun, SHEN Tian-peng, XIA Guo-hua, HE Fu-ji, DAI Shi-wen, CHEN Quan-ming
2008, 25(2): 153-157.
[Abstract](1619) [PDF](105)
Abstract:
Atractylodes macrocephala(Compositae),for its rhizomes used medicinally,are cultivated widely in over 20 provinces in China,especially in Zhejiang. But the qualities are in difference and hard to distinguish. To identify components in original herbs ...
Half-sib progeny tests of high-resin-yielding Pinus kesiya var. langbianensis
LI Si-guang, FU Yu-pin, ZHANG Kuai-fu, JIANG Yun-dong, YAO Zhi-qiong, LI Ming
2008, 25(2): 158-162.
[Abstract](1221) [PDF](100)
Abstract:
In order to select superior high-resin-yield families of Pinus kesiya var. langbianensis,the resin-producing capacity,diameter at breast height(DBH), and tree height of 25 high-resin-yield families and a control that was 4.5 years old were measured a...
Phenotypic variation in seed cones and seeds of species and families in different provenances of Pinus tabulaeformis
LIU Yong-hong, YANG Pei-hua, HAN Chuang-ju, FAN Jun-feng, LI Xin-hui, LI An-ping, YANG Shi-rong
2008, 25(2): 163-168.
[Abstract](1104) [PDF](86)
Abstract:
To reveal the regularities of cone and seed variation,the phenotypic traits of cones and seeds of seven species and 141 families in natural populations of Pinus tabulaeformis provenances of Shaanxi Province were analyzed. Statistical analyses,such as...
Association classification of disturbed Castanopsis fabri forests in Guangxi Province
CHEN Hong-wei, WANG Xian-pu, YU Shun-li
2008, 25(2): 169-175.
[Abstract](1223) [PDF](94)
Abstract:
In order to understand the successional dynamics of Castanopsis fabri forests,which widely distributed in Guangxi Province,the plant species composition and structure of the evergreen forests were investigated by sampling method. The important values...
Ecophysiological trait comparison of Shaniodendron subaequale and accompanying species
ZHU Tang-jun, YUE Chun-lei, JIN Shui-hu
2008, 25(2): 176-180.
[Abstract](1215) [PDF](101)
Abstract:
Hamamelidaceae Shaniodendron subaequale,an endangered plant species endemic to China,has a narrow distribution range. To understand why it is endangered,diurnal changes of photosynthetic rate,light compensation point,light saturation point,and chloro...
Biochemical response of drought stressed Acacia richii seedlings inoculated with rhizobia
ZENG Xiao-hong, WU Jian-rong, MA Huan-cheng
2008, 25(2): 181-185.
[Abstract](1164) [PDF](109)
Abstract:
To determine if in a drought environment there was an adaptation for Acacia richii due to rhizobia,this experiment analyzed the accumulation of metabolites,such as proline,soluble sugar,and chlorophyll,after inoculation with SMD rhizobia separated fr...
Optimizing the inter simple sequence repeat(ISSR) reaction system with Gingko biloba
CAO Fu-liang, WANG Guo-xia, LI Guang-ping, HUA Zhe-bin
2008, 25(2): 186-190.
[Abstract](2247) [PDF](106)
Abstract:
To optimize the inter simple sequence repeat(ISSR) reaction conditions with Ginkgo biloba,the concentrations of template DNA,Taq DNA polymerase,primers,deoxyribonucleotide triphosphate(dNTP),along with annealing temperature and their influence on pol...
Allelopathic constituents from litterfall of Eucalyptus grandis
GAO Dan, HU Ting-xing, WAN Xue, TANG Tian-yun, CHEN Liang-hua
2008, 25(2): 191-194.
[Abstract](1308) [PDF](98)
Abstract:
Eucalyptus grandis is the most widely cultivated eucalyptus. The undergrowths of E. grandis forest are few. To identify the components of litterfall from E. grandis that could affect other species,organic compounds of litterfall from E. grandis were ...
Macronutrients and allocations to different organs in one-to three-year-old Taxus chinensis var. mairei
WU Jia-sen, ZHANG Li-qin, WU Jin-cai, WU Chang-yi, CHEN Rong
2008, 25(2): 195-199.
[Abstract](1091) [PDF](110)
Abstract:
Taxus chinensis var. mairei,a rare and endangered species,both is a beautiful garden tree and a good timber tree,especially,its extract(taxol) can be used for medicine to treat cancers. This trial studied the macronutrients and allocations to differe...
Seasonal variation of leaf mineral nutrient concentrations in seedless wampee (Clausena lansium ‘Yunan Seedless’)
WANG Rong-ping, LI Shu-yi, WU Tao, QIN Xing-hua, LIAO Xin-rong, LAN Pei-ling
2008, 25(2): 200-205.
[Abstract](1121) [PDF](116)
Abstract:
Seedless wampee (Clausena lansium ‘Yunan Seedless’) is a new and nutritious fruit tree,but lack in research of cultivation and management. This objective is to provide a basis for rational fertilization to improve fruit quality. The seasonal variatio...
Crown biomass and increment in mid-young-aged Pinus elliottii plantation from Qianyanzhou
TU Jie, LIU Qi-jing, JIAN Min-fei
2008, 25(2): 206-210.
[Abstract](1072) [PDF](112)
Abstract:
To increase future forest research efficiency and management,a model of branch biomass and growth increment for mid-young-aged Pinus elliottii was determined. Estimates were made using the branch analysis method with regression models of crown biomas...
Soil moisture dynamics with mold and mulching during afforestation in a karst region
LI An-ding, YU Li-fei, WEI Xiao-li
2008, 25(2): 211-215.
[Abstract](1033) [PDF](101)
Abstract:
To understand variations in soil moisture dynamics with afforestation of karst regions,simulation experiments in the intelligent climate-control chamber(RXZ) and in the fields were conducted in typical karst formations of the Huajiang Valley,the sout...
The mingling index with evergreen broadleaf forests on Mount Tianmu
FANG Guo-jing, TANG Meng-ping, ZHANG Xue-lian
2008, 25(2): 216-220.
[Abstract](1143) [PDF](137)
Abstract:
Mingling of dominant plant populations in an evergreen broadleaf forest,one of the most important plant types in the Mount Tianmu National Nature Reserve of Zhejiang Province,were studied to supply a theoretical basis for evergreen broadleaf forest p...
Management techniques for a secondary Pinus massoniana forest in central Guizhou Province
WEN Zuo-wu, LUO Zong-shi, MA Hong-xun, WU Dong-sheng, LI Zong-hui, HUANG Yi-qian
2008, 25(2): 221-227.
[Abstract](1176) [PDF](127)
Abstract:
This study determined a set of management techniques for improving a secondary Pinus massoniana forest. Using existing forest management as a classification scheme,the forest was divided into ecological and commercial forests having different managem...
Heavy metal soil pollution in the Qinhuai River riparian zone
LI Dong-lin, JIN Ya-qin, ZHANG Ji-lin, RUAN Hong-hua
2008, 25(2): 228-234.
[Abstract](1416) [PDF](106)
Abstract:
Qinhuai River is the main river in Nanjing City,the overall length is more than 100 km,having 16 prongs and 2 630 km2 river valley. This objective is to rebuild and protect ecological system of the Qinhuai River riparian zone,pollution levels of five...
Descriptions of three species larvae of genus Diaphania from China
PIAO Mei-hua, LIU Shui-zhi, LEE Chan-young
2008, 25(2): 235-239.
[Abstract](1503) [PDF](105)
Abstract:
The last-instar larval external morphologies of Diaphania pyloalis(Walker), Diaphania indica(Saunders) and Diaphania perspectalis(Walker) are described and illustrated. All specimens examined are deposited in the larva Collection of Department of Pla...
Urban forest research based on regression tree techniques and ASTER imagery
HUANG Chu-dong, SHAO Yun, LI Jing, LIU Jing-hui, CHEN Jie-qiong
2008, 25(2): 240-244.
[Abstract](1060) [PDF](123)
Abstract:
Urban forest was of great interest to a variety of scientific and urban planning applications. This paper presented the process and results of analysis using remote sensing imagery in this area. There were mainly two key steps in the analysis: the fi...
An analysis of the landscape titles of Chinese classical gardens
XU Xuan-chun
2008, 25(2): 245-249.
[Abstract](1389) [PDF](120)
Abstract:
The relationship between the landscape title and text,the title and the author and reader,the title and the background of the society and the time were studied. It focused on the function and significance of the titles of landscapes,analyzed how to n...
Overview and prospect of termicides in wood protection
SUI Ya-ping, SUN Fang-li, YANG Zhong-ping, WANG Shan-shan, WANG Li
2008, 25(2): 250-254.
[Abstract](1440) [PDF](108)
Abstract:
As an important raw material,wood has been widely used in many areas,such as building,furniture,and interior decoration. However,wood can be easily attacked by termites,which limits the application of wood and reduces the wood's service life. General...
Micropropagation of Sasa fortunei
YANG Hai-yun, GUI Ren-yi, TANG Ding-qin, FANG Wei
2008, 25(2): 255-258.
[Abstract](1466) [PDF](111)
Abstract:
Micropropagation of Sasa fortunei was studied with shoots of young culms and rhizomes as explants. The results showed as follows:germination rate of rhizomes was better than that of culms. 6-Benzylaminopurine(6-BA) had a better effect on proliferatio...
Analysis of the fatty acid composition in Catharanthus roseus seed oil by gas chromatography-mass spectrometry
NIU Hui-ying, YANG Lei, ZHANG Lin, LI Xiao-wei, LIU Yu, ZU Yuan-gang
2008, 25(2): 259-261.
[Abstract](1237) [PDF](109)
Abstract:
Catharanthus roseus seed oil was extracted with n-Hexane,then esterified with potassium hydroxide and methanol. After esterification,the oil was analyzed by gas chromatography-mass spectrum (GC-MS). 9 peaks were separated and 5 peaks were identified,...
Analysis of volatile oil composition of Mosla chinensis
MAO Yan, LI Zu-guang, CAO jiang-lin
2008, 25(2): 262-265.
[Abstract](1449) [PDF](90)
Abstract:
With hydrodistillation and GC-MS,the volatile oil extracted from Mosla chinensis was separated and studied. Of 34 identified components,the most abundant component was thymol,accounting for 83.32%; p-cymene and acetylthymol accounted for 6.14% and 2....