2003 Vol. 20, No. 4
2003, 20(4): 331-335.
Abstract:
As a precious traditional Chinese medicine , Cornus officinalis has been in wild or semi-wild conditions for a long time and the genetic variations within its species are very complicated .Through breeding procedures including preliminary selection ,...
As a precious traditional Chinese medicine , Cornus officinalis has been in wild or semi-wild conditions for a long time and the genetic variations within its species are very complicated .Through breeding procedures including preliminary selection ,...
2003, 20(4): 336-341.
Abstract:
19 poplar clones of both domestic and foreign origin were introduced into Shandong Province and field test had been conducted .Following a randomized complete block design , seedling test at nursery stage and controlled afforestation trails had been ...
19 poplar clones of both domestic and foreign origin were introduced into Shandong Province and field test had been conducted .Following a randomized complete block design , seedling test at nursery stage and controlled afforestation trails had been ...
2003, 20(4): 342-345.
Abstract:
The number , basal diameter and height of new plantlets of survived test-tube plantlets of Bambusa oldhami are measured every month with the method of random sampling to study the annual growth rules of it .The results show that the average monthly b...
The number , basal diameter and height of new plantlets of survived test-tube plantlets of Bambusa oldhami are measured every month with the method of random sampling to study the annual growth rules of it .The results show that the average monthly b...
2003, 20(4): 346-352.
Abstract:
On the basis of the comprehensive evaluation of natural environmental conditions in island areas of Zhejiang and the division of island tree species resources and site conditions , the foundation and precondition work for the study of watching specie...
On the basis of the comprehensive evaluation of natural environmental conditions in island areas of Zhejiang and the division of island tree species resources and site conditions , the foundation and precondition work for the study of watching specie...
2003, 20(4): 353-356.
Abstract:
The pollenmorphology characteristics of 9 species of Magnoliaceae (Sinomanglietia glauca , Manlietia patungensis , Magnolia denudata , Magnolia biondii , Magnolia amoena , Michelia caloptila , Michelia chapensis , Michelia maudiae , Magnolia zenii )w...
The pollenmorphology characteristics of 9 species of Magnoliaceae (Sinomanglietia glauca , Manlietia patungensis , Magnolia denudata , Magnolia biondii , Magnolia amoena , Michelia caloptila , Michelia chapensis , Michelia maudiae , Magnolia zenii )w...
2003, 20(4): 357-359.
Abstract:
The contents of flavonoids in the different nutritious organs of Heptacodium miconioides are determined and the components of flavonoid compounds are analyzed with the method of polyacrylamides membrane chromatography .The results are as follows :(1)...
The contents of flavonoids in the different nutritious organs of Heptacodium miconioides are determined and the components of flavonoid compounds are analyzed with the method of polyacrylamides membrane chromatography .The results are as follows :(1)...
2003, 20(4): 360-363.
Abstract:
The effects of the abhesive on the absorptive properties of the activated carbon were studied .The rate of adsorption to benzene of the adhesive and activated carbon mixture decreases as the rate increases , the decrease degree depending on different...
The effects of the abhesive on the absorptive properties of the activated carbon were studied .The rate of adsorption to benzene of the adhesive and activated carbon mixture decreases as the rate increases , the decrease degree depending on different...
2003, 20(4): 364-368.
Abstract:
By means of commercial analysis of the relation of commodity supply and demand , the paper studies the working state of three links of forestry technology with the segregation of the main part research and development , popularization and application...
By means of commercial analysis of the relation of commodity supply and demand , the paper studies the working state of three links of forestry technology with the segregation of the main part research and development , popularization and application...
2003, 20(4): 369-373.
Abstract:
An investigation made on technical extension and operation systems for bamboo industry in the mountain area of southern Zhejiang showed that technical extension for bamboo was implemented from upper to bottom around the core of base construction .The...
An investigation made on technical extension and operation systems for bamboo industry in the mountain area of southern Zhejiang showed that technical extension for bamboo was implemented from upper to bottom around the core of base construction .The...
2003, 20(4): 374-379.
Abstract:
Carbon accumulation and distribution were studied in 16-year-old experimental slash pine plantations with four kinds of different densities at Lufeng Forest Farm in Guangxi Autonomous Region .The results indicated that the spatial distribution sequen...
Carbon accumulation and distribution were studied in 16-year-old experimental slash pine plantations with four kinds of different densities at Lufeng Forest Farm in Guangxi Autonomous Region .The results indicated that the spatial distribution sequen...
2003, 20(4): 380-384.
Abstract:
From 1984 to 2000 , comparative observation of small climates of 8 forest tourist spots in sub-tropical zones was conducted .According to air temperature and relative air humidity observed every hour , the durations of comfortable air temperatures in...
From 1984 to 2000 , comparative observation of small climates of 8 forest tourist spots in sub-tropical zones was conducted .According to air temperature and relative air humidity observed every hour , the durations of comfortable air temperatures in...
2003, 20(4): 385-388.
Abstract:
The development durations of Takecallis taiwanus (Homoptera :Callaphididae)are measured under 5 constant temperatures ranging from 10 ℃ to 30 ℃.The low-development temperature are 12.76 ℃, 9.24 ℃, 7.28 ℃, 6.45 ℃, 8.10 ℃ and the effective thermal cons...
The development durations of Takecallis taiwanus (Homoptera :Callaphididae)are measured under 5 constant temperatures ranging from 10 ℃ to 30 ℃.The low-development temperature are 12.76 ℃, 9.24 ℃, 7.28 ℃, 6.45 ℃, 8.10 ℃ and the effective thermal cons...
2003, 20(4): 389-393.
Abstract:
Geographic distribution of 70 species of Orius in the world is studied .All species are arranged in 14 zoogeographic categories :Afrotropical endemic , Australian endemic , Holarctic endemic ,Nearctic endemic , Neotropical endemic , Oriental endemic ...
Geographic distribution of 70 species of Orius in the world is studied .All species are arranged in 14 zoogeographic categories :Afrotropical endemic , Australian endemic , Holarctic endemic ,Nearctic endemic , Neotropical endemic , Oriental endemic ...
2003, 20(4): 394-397.
Abstract:
The last-instar larval external morphologies of Thyatira batis (Linnaeus) and Kurama mirabilis (Butler) of Thyatiridae are described and illustrated .All specimens are deposited in the Insect Collection of Department of Forest Resources Protection , ...
The last-instar larval external morphologies of Thyatira batis (Linnaeus) and Kurama mirabilis (Butler) of Thyatiridae are described and illustrated .All specimens are deposited in the Insect Collection of Department of Forest Resources Protection , ...
2003, 20(4): 398-402.
Abstract:
Ceratosphaeria phyllostachydis is an important plague under quarantine in China , and it is significant and practical to classify its plague areas .With the application of classification theores , modern mathematic methods and computer techniques , t...
Ceratosphaeria phyllostachydis is an important plague under quarantine in China , and it is significant and practical to classify its plague areas .With the application of classification theores , modern mathematic methods and computer techniques , t...
2003, 20(4): 403-407.
Abstract:
Large amount of heterogeneous data have been accumulated along with the development of the forest resources management information systems .The result of this is that data are not effective shared among various systems and the operators repeat work w...
Large amount of heterogeneous data have been accumulated along with the development of the forest resources management information systems .The result of this is that data are not effective shared among various systems and the operators repeat work w...
2003, 20(4): 408-412.
Abstract:
Landscape garden is the main type of Chinese ancient garden .Based on the philosophical view of harmonizing relationship between nature and man , ancient Chinese people thought there was no boundary between man and nature and the harmonization of nat...
Landscape garden is the main type of Chinese ancient garden .Based on the philosophical view of harmonizing relationship between nature and man , ancient Chinese people thought there was no boundary between man and nature and the harmonization of nat...
2003, 20(4): 413-418.
Abstract:
Utilizing computer to make a great scale of stochastic simulation experiments , this paper reveals that if the difference between levels of the primes exist noteworthily is mainly depended on the sum of its experiment effects and stochastic normal di...
Utilizing computer to make a great scale of stochastic simulation experiments , this paper reveals that if the difference between levels of the primes exist noteworthily is mainly depended on the sum of its experiment effects and stochastic normal di...
2003, 20(4): 419-423.
Abstract:
Landscape cover plants are an important element of urban landscape engineering .Due to its particularity and huge economic and social benefits , more and more people attach importance to its research .At present , many achievements in its research ha...
Landscape cover plants are an important element of urban landscape engineering .Due to its particularity and huge economic and social benefits , more and more people attach importance to its research .At present , many achievements in its research ha...
2003, 20(4): 424-428.
Abstract:
Bamboo molecular breeding was reviewed .Tissue culture cultivation is an essential way for bamboo breeding .During 80s , the reseaarch workers many countries or districts began research on bamboo tissue , and successed in 70 species 20 bamboo genus s...
Bamboo molecular breeding was reviewed .Tissue culture cultivation is an essential way for bamboo breeding .During 80s , the reseaarch workers many countries or districts began research on bamboo tissue , and successed in 70 species 20 bamboo genus s...
2003, 20(4): 429-433.
Abstract:
The optimized system used in RAPD reaction of Carya cathayensis must be established before analying the genetic diversity ofCarya cathayensis .It is necessary to explore the reaction conditions and system .The optimal reaction mixture and amplificati...
The optimized system used in RAPD reaction of Carya cathayensis must be established before analying the genetic diversity ofCarya cathayensis .It is necessary to explore the reaction conditions and system .The optimal reaction mixture and amplificati...
2003, 20(4): 434-437.
Abstract:
An orthogonal test of the chemical herbicides in the nurseries of Pinus massoniana , Michelia macclurei and Manglietia yuyuanensis is conducted to study the weeding effects of oxyfluorfen , acetochlor and haloxyfop . The results show that the weeding...
An orthogonal test of the chemical herbicides in the nurseries of Pinus massoniana , Michelia macclurei and Manglietia yuyuanensis is conducted to study the weeding effects of oxyfluorfen , acetochlor and haloxyfop . The results show that the weeding...
2003, 20(4): 438-441.
Abstract:
The comparative studies were conducted by methods of field tests andmuti-line regression analysis .The results showed that the diameter increments of one-year-old seedling of Pinus nigra var. austriaca was bigger than that of Pinus tabuleaformis , an...
The comparative studies were conducted by methods of field tests andmuti-line regression analysis .The results showed that the diameter increments of one-year-old seedling of Pinus nigra var. austriaca was bigger than that of Pinus tabuleaformis , an...