2001 Vol. 18, No. 1

Articles
Studies on cultivars of Phyllostachys pxaecox with RAPD molecular markers
FANG Wei, HE Zheng-xiang, HUANG Jian-qin, SHI Qian-jun, LIN Xin-chun
2001, 18(1): 1-5.
[Abstract](1338) [PDF](201)
Abstract:
With RAPD molecular markers , 19 cultivars and 2 affinis species of Phyllostachys praecox were analysed .Using 10 primers screened from 80 primers , 66 loci were amplified , and 54 of these were polymorphic (81.8 %).The UPGMA cluster analysis of POPG...
Preliminary study on seed breeding of Phyllostachys praecox
FU Shun-hua, YU Yong-qing
2001, 18(1): 6-9.
[Abstract](1297) [PDF](181)
Abstract:
The test aimed to search the technology curriculum of raising seed rate of Phyllostachys praecox .The pollen vigor , the influence of B (H3BO3)to pollen germination , the effect of artificial pollination were studied . The results show that the polle...
Division of introduction range and suitable planting areas for Phyllostachys praecox in China
HUANG Bi-heng, FANG Wei, XU Jia-yi
2001, 18(1): 10-14.
[Abstract](1343) [PDF](213)
Abstract:
Using the method of numerical measure , regression analysis are made on site conditions of edible bamboo Phyllostachys praecox .The result shows that slope , soil type , soil fertility , soil texture , mean annual air temperature and rainfall in spri...
Introduction and selection of magnolia family in the Islands of Zhoushan
LI Xiu-peng, YU Ci-ying, YUAN Yan-fei, LI Ding-sheng, LI Jun
2001, 18(1): 15-20.
[Abstract](1330) [PDF](226)
Abstract:
Seventy-six species of magnolia family have been introduced and 65 species preserved since 1976 in the Islands of Shoushan .Based on the manifestations of growth , over-wintering and exploitation value , these plants are classified into 5 types :succ...
Variations and heredity of paper pulpwood properties of new Aigeiros clones of southern type
TONG Zai-kang, ZHENG Yong-ping, LUO Shi-yuan, YANG Hui-ping, SHI Hong-zheng
2001, 18(1): 21-25.
[Abstract](1387) [PDF](180)
Abstract:
A systematic study made in Linhai on wood properties of paper pulpwood of 17 new clones and other 3 clones as a control shows that the fiber length in the trunk of these 20 clones ranges between 0.966 0 and 1.143 0 mm , which has met the standard lai...
Rational rotation of planted forests of poplar
JIANG Bo, YUAN Wei-gao, QI Lian-zhong, ZHU Jing-ru
2001, 18(1): 26-31.
[Abstract](1370) [PDF](286)
Abstract:
By analysis of productivity of Populus forest stands cultured in normal patter , breeding aims of various main sites were determinate , and quantitative mature age , economic mature age and process mature age were calculated .The optimum rotation was...
On nodal scar control of stem for poplar
ZHU Jin-ru, YUAN Wei-gao, JIANG Bo, QI Lian-zhong, WU Fa-rong, SHENTU Fu-jun
2001, 18(1): 32-35.
[Abstract](1692) [PDF](223)
Abstract:
Nodal scar is the most important factor affecting timber quality of poplar .It is one of the key techniques of improving timber quality of poplar to effectively control the nodal scars of stem and decrease the numbers of insect hole .The results indi...
Optimal density control model of planted timber forests
HUANG Jia-rong
2001, 18(1): 36-40.
[Abstract](1281) [PDF](191)
Abstract:
Regarding the parabola density effect model as presupposition , in accordance with the growing traits of the planted timber forests , the paper finds density control model by optimal control method and finds the solution with dynamic programming .The...
Predicting the stability by water dynamics in plantation stand in dry-hot valley of Yuanmou County
MA Huan-cheng, WU Yan-xiong, CHEN De-qiang, McCONCHIE Jack A .
2001, 18(1): 41-45.
[Abstract](1047) [PDF](183)
Abstract:
The maximum loading capacity of soil can be estimated according to the water holding capacity of soil and the water consumption of trees during the drought period .The results showed the proper planting density of Acacia mangium , A .auriformis and A...
Photosynthetic characteristics of several exotic species in dry season in Yuanmou County
MA Huan-cheng, WU Yan-xiong, McCONCHIE Jack A .
2001, 18(1): 46-49.
[Abstract](1437) [PDF](296)
Abstract:
The measurements of diurnal pattern of net photosynthetic rate of Acacia mangium , A .aulacocarpa , A .auriformis , A .holosericea , A .cunninghamii , Eucalyptus camaldulensis , E .exserta ,E .citriodora were carried out in three year old stands in Z...
Optimum scheme of extracting flavonoid in Camptotheca acuminata leaves
WANG Xue-li
2001, 18(1): 50-52.
[Abstract](1414) [PDF](205)
Abstract:
Under the different temperatures , solvent volumes and extracting hours , using water (pH =10)as solvent , the experiment how to more extract content of flavonoid in Camptotheca acuminata leaves was made by use of quadratic current spinning combinati...
Extraction of defatted cake of oil-tea camellia by ethanol and hexane mixture
ZHONG Hai-yan, WANG Chen-nan, LOU Yun, ZHANG Yu-quan
2001, 18(1): 53-56.
[Abstract](1227) [PDF](212)
Abstract:
The property of mixed solvent composed of 95 %ethanol and hexane (MSEH), the effect of oil-tea camellia seed oil (OCSO)on the mixing solubility of MSEH and the technique of extraction of defatted cake by MSEH were studied .The results showed that wit...
Extracting camphor wood oil from camphor tree seeds
ZHANG Bin, XU Li-yong
2001, 18(1): 57-59.
[Abstract](1635) [PDF](297)
Abstract:
Camphor tree seeds including green seeds and mature seeds were collected in Ningbo City of Zhejiang Province .Extraction and distillation were used .The results showed that taking acetone , petroleum ether and ethanol as solvents in extraction , camp...
Trapping adults of Monochamus alternatus with chemically-treated pine logs and branches
LAI Yan-xue, YU Lin-xiang, ZHOU Yong-ping, LI Guo-ping, SHEN Bing-shun
2001, 18(1): 60-65.
[Abstract](1296) [PDF](266)
Abstract:
The study was made in Ningbo City of Zhejiang Province , China .An average of 665.3 adults of Monochamus alternatus in their emerge season was trapped by a set of trapping device built with pine branches and logs +attractant +insecticide .The number ...
Effect of sunshine and temperature on Aponychus corpuzae
ZHANG Fei-ping, CAI Qiu-Jing, LU Feng-mei, ZHONG Jing-hui
2001, 18(1): 66-68.
[Abstract](1202) [PDF](177)
Abstract:
Sunshine time has some effects on the growth , survival and fecundity of Aponychus corpuzae Rimando . The mites cant complete all stages in darkness .The probability of completing all growth stages increases with the rising of sunshine time over 5 h ...
Effects of 5 fungicides of hypha growth of Ganoderma lucidum and Trichderma viride
ZHANG Ping-hua
2001, 18(1): 69-72.
[Abstract](1536) [PDF](182)
Abstract:
The effects of five fungicides on the hypha growth of Ganoderma lucidum and the growth of Trichderma viride were studied .The results showed that the different kinds and treatment concentrations of fungicides on the hypha growth of Ganoderma lucidum ...
Weeding results of some herbicides on chomophyte in lawn
BAI Rui-dong, JIN Pei-ying, TANG Yin-nan, FANG Liang-hai, CHEN Can, LIU Zheng-fu
2001, 18(1): 73-75.
[Abstract](1276) [PDF](209)
Abstract:
In order to control the chomophyte in lawn and test the safety of herbicides on turfgrass , herbicides (Goal 23.5EC , Tiancaojing (Acetochlort Bensulfuron menthyl)18.2wp , Butachlor 50MG and Benziocarb 50EC) were applied with spraying or broadcasting...
Modeling of plant physiognomy
GAO Feng
2001, 18(1): 76-79.
[Abstract](1747) [PDF](236)
Abstract:
Emulation of structure , morphology and growth in plant arouses peoples interest , especially researchers in agriculture and forestry .Based on the Lindenmayer system, application of fractal computer techniques in emulation of plant morphology and st...
Application of HTML help system in biological statistic analysis platform
WU Yan-xiong
2001, 18(1): 80-84.
[Abstract](1626) [PDF](173)
Abstract:
This paper discusses characteristics of the new help system based on HTML , and puts forward unit file CallHHelp which can be used to call HTML help by Delphi that is developing tool of biological statistic analysis platform .The core method of this ...
Application of Gompertz increase model to prediction of forestry product value
YU Yong-qing, FU Shun-hua
2001, 18(1): 85-88.
[Abstract](2458) [PDF](229)
Abstract:
By the theory and method of increase model , with statistical data in Fifty Years of Linan , the Gompertz increase model =6 exp[ -5.802 0 e-0.367 9 t] was established , which predicted the output value of forest products .The model corresponded more...
Reviews
Difference and de-difference of vegetable cell
HUANG Jian-qin
2001, 18(1): 89-92.
[Abstract](1862) [PDF](227)
Abstract:
The difference and de-difference of cell is a fundamental question in biology .The results of some studies show that the morphological and structural changes in vegetable cells cannot offer feasible feature .However , phyto-hormone makes function in ...
Review over a century of some topics in biology
GUAN Kang-lin
2001, 18(1): 93-101.
[Abstract](1420) [PDF](235)
Abstract:
Biology in half 20th century ago initiated the experiment science , as phsiology , genetics and biological chemistry that was establisned at the base or taxonomy and morpho-anatomy in zoology and botany , and which has made outstanding achievement re...
A list of bamboos scale insects in China (Homoptera:Coccoidea)
FANG Zhi-gang, WU San-an, XU Hua-cao
2001, 18(1): 102-110.
[Abstract](1761) [PDF](251)
Abstract:
In this paper 127 species of scale insects (Homoptera :Coccoidea)attacking bamboos in china until 1999 is listed .Among them 21 species ranges to 17 genera of pseudococcidae , 3 species to 3 generar of Coccidae , 3 speecies to 2 genera of Acleridae ,...