搜索结果: 1-12 共查到“林业基础学科 Cryptomeria japonica”相关记录12条 . 查询时间(0.206 秒)
Unequal Paternal Contribution in an Sugi (Cryptomeria japonica D. Don) Population Made by Mixed Pollen Using Microsatellite Markers
controlled pollination Cryptomeria japonica D.Don fertilization microsatellite markers
2009/8/28
We investigated paternal contribution in artificial crossed-populations made by mixed pollen from plus tree clones of Cryptomeria japonica D. Don in Niigata Prefecture. Using six polymorphic microsate...
Comparison of Changes in Organic Matter Dynamics due to Stand Age between Artificial Japanese Cedar (Cryptomeria japonica D. Don) Forests and Japanese Cypress (Chamaecyparis obtusa Sieb. et Zucc.) Forests
artificial Japanese cedar forest artificial Japanese cypress forest carbon mineralization rates of the litter organic matter dynamics stand age
2009/8/28
The purpose of this study was to clarify the effects of tree species on organic matter dynamics according to stand age in Kanto region of Japan. We investigated forest floor cover percentages, amounts...
Characteristics of Nitrogen Mineralization in the Soil of Japanese Cedar (Cryptomeria japonica) and their Responses to Environmental Changes and Forest Management
forest management nitrification ratios of mineralized to total nitrogen soils of sugi stands
2009/8/28
Knowledge of nitrogen mineralization in the soils of sugi (Cryptomeria japonica) stands is important for understanding the effects of forest management and environmental changes on nutrient cycling in...
Mechanism of Female Sterility in Sugi (Cryptomeria japonica D. Don)
Cryptomeria female sterility male sterility megaspore mother cell
2009/8/28
Two C. japonica trees exhibiting male sterility were found in Niigata Prefecture, Japan. These trees exhibited not only male sterility but also female sterility, because their seeds did not germinate....
Shortening Examination Cycles of Male-sterile Cryptomeria japonica Trees
breeding method Cryptomeria japonica male sterility shortening examination term
2009/8/27
In order to shorten the period required to select sterile trees from the mating family of male-sterile Cryptomeria japonica D. Don lines, germinated male-sterile C. japonica seeds were planted in spha...
An Investigation on the Allocation of Selection Weight on Growth and Wood Basic Density to Maximize Carbon Storage in the Stem of Sugi (Cryptomeria japonica D.Don) Plus-tree Clones
carbon storage clone global warming prevention index selection sugi
2009/8/27
An optimum allocation of selection weight on the traits that were related to carbon storage in the stem of sugi was investigated to establish criteria for choosing plus tree clones suitable for carbon...
Analyzing Annual Rings to Evaluate Past Growth of Natural Cryptomeria japonica Trees in Sado Forest Reserve,Akita Prefecture,Northeastern Japan
Cryptomeria japonica disturbance growth natural Cryptomeria japonica forest regeneration
2009/8/27
We investigated past growth of trees within a natural stand of Cryptomeria japonica in Sado Forest Reserve, Akita Prefecture, northeastern Japan, relating to temporal changes in environmental conditio...
Comparison of Juvenile Growth Characteristics between Cutting and Seedling of Sugi (Cryptomeria japonica) in Heavy Snowfall Region
afforestation cutting heavy snowfall region seedling snow damage
2009/8/27
I studied the comparison of juvenile growth characteristics of cuttings and seedlings of sugi (Cryptomeria japonica) in heavy snowfall region. I selected three pairs of a seedling-trial and a cutting-...
Basidiomycetous Fungi Associated with Butt Rot Disease of Cryptomeria japonica in the Aso District,Kumamoto Prefecture,Japan
basidiomycetes butt rot disease Cryptomeria japonica Kumamoto Prefecture weight loss
2009/8/27
To clarify the causal fungus of butt rot disease of Cryptomeria japonica (Sugi), we isolated basidiomycetous fungi from decayed stumps in 12 plantations 40 to 83 years old in the Aso district, Kumamot...
Analysis of Stem Growth Pattern in Japanese Cedar (Cryptomeria japonica) Trees in a Natural Forest in Akita,Northeastern Japan
annual increment of basal area annual increment of volume natural Japanese cedar stem analysis thinning
2009/8/25
The pattern of growth in 10 Japanese cedar (Cryptomeria japonica) trees (age 162 to 255 years) located within a natural forest was analyzed using ring-width data. These trees showed a rapid increase i...
Compost Made from Waste Sludge from Food Industry Enhanced Significantly Rooting and Growth of Cuttings of Sugi (Cryptomeria japonica D.Don)
compost Cryptomeria japonica D.Don cutting
2009/8/24
We have developed new type compost with waste sludge from a bean curd factory and applied it to the cutting bed of Cryptomeria japonica D. Don. The effects of the compost on the elongation of root and...
Spatial Variations in Needle Nitrogen Content in Sugi (Cryptomeria japonica D. Don) Plantations across Japan
Cryptomeria japonica Gi*(d) statistics needle nitrogen content spatial variation temperature
2009/8/24
For a general assessment of the nitrogen status of sugi plantations in Japan, we measured nitrogen content in the needles of sugi (Cryptomeria japonica D. Don) trees growing at 531 sites across the co...