搜索结果: 1-15 共查到“农学 Cryptomeria japonica”相关记录25条 . 查询时间(0.019 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...
Reliability of Light-trapping Data to Represent the Annual Changing in the Number of Adult Emergences of Cypress Bark Moth Epinotia granitalis Butler (Lepidoptera: Totricidae) in Two Stands of Japanese Cedar Cryptomeria japonica (Taxodiaceae)
Epinotia granitalis feeding scar light trap number of emerged adult
2009/8/28
The cypress bark moth, Epinotia granitalis (Butler), is a serious insect pest of the Japanese cedar, Cryptomeria japonica. Light traps have been used for monitoring the number of moths in forests. How...
Discrimination of Sugi (Cryptomeria japonica D. Don) Plus-tree Clones Using SSR Marker Analysis
clone discrimination discrimination power SSR marker sugi plus tree
2009/8/28
Eight hundred and thirty-five sugi (Cryptomerica japonica D. Don) plus-tree clones from the Kanto Breeding Region were genotyped using three highly polymorphic SSR markers. With a mean observed hetero...
Characteristics and Effectiveness of Glasshouse Miniature Seed Orchards in Cryptomeria japonica D. Don
Cryptomeria japonica D.Don glasshouse miniature seed orchard pollen contamination
2009/8/28
We produced seeds of Cryptomeria japonica trees in a glasshouse miniature seed orchard to prevent pollen contamination. In the glasshouse, male flowers shed pollen from February 4 to March 27, 2002, w...
Clone Identification of a Cutting Cultivar Shakain Using Cleaved Amplified Polymorphic Sequence Markers in Cryptomeria japonica
CAPS marker clone classification Cryptomeria japonica D.Don cutting cultivar Shakain
2009/8/28
Shakain is one of the cutting cultivars of Cryptomeria japonica in Kumamoto Prefecture. We established a clone classification system using the CAPS (Cleaved Amplified Polymorphic Sequences) markers fo...
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....
Genetic Control of Resistance to Snow Damage in Sugi (Cryptomeria japonica)
basal bending breeding control-pollinated progenies resistance snow damage
2009/8/27
To study the mode of inheritance of resistance to snow damage in sugi (Cryptomeria japonica), we crossed varieties that were resistant and sensitive to snow damage using a factorial design experiment....
Improved Yield Prediction Information for Sugi (Cryptomeria japonica) Plantations Applied to Long-rotation Management in Kagoshima Prefecture
long-rotation management site quality curve stand-density control diagram sugi (Cryptomeria japonica) plantations yield table
2009/8/27
To predict the yield of sugi (Cryptomeria japonica) plantations on a long rotation in private forests in Kagoshima Prefecture, the stand-density control diagram, site quality curve, and yield table we...
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...
Structure and Growth in an Old-growth Sugi (Cryptomeria japonica) Forest in Akita Prefecture,Northeastern Japan
old-aged forest old-growth sugi forest periodic annual net increment stand structure thinning operation
2009/8/27
Periodic annual net increment of stand volume and stand structure dynamics were analyzed by using data collected in long-term monitoring during a 77-year period in a sugi (Cryptomeria japonica) natura...
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-...