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Seeds were sown at the nursery of the University Forest in Hokkaido, University of Tokyo, Japan (N43°13′, E142°23′, alt. 230m) in spring, 1996. Phenological observations of the time of terminal bud formation and needle coloring were made for 2-year-old seedlings of two species and four varieties, consisting of 17 strains, giving in total 277 individuals. Observations were made at intervals of three to seven days from June to October in 1997. In addition, seedling height, length of the current main axis (l), and length from the bottom to the base of the highest lateral shoot in the current main axis (h) were measured. The relative height of lateral shoots (100 h/l) was calculated. The number of lateral shoots on the current main axis was also counted. The relative height of lateral shoots for most of the Japanese larch was over 40%, while for most of the other seedling strains from high latitudes it was 0%. Seedling strains of species from low latitudes had many lateral shoots, while those from high latitudes had only a few. Other strains, distributed between these two in terms of latitude, showed intermediate branching behavior. These differences in lateral shoots were derived from the difference in the response of lateral buds on the current axis to day length. There were two peaks in the frequency distribution for the time of bud formation which implied two groups in threshold day length. Correlation coefficients were calculated on the strains regardless of species between seedling height, time of bud formation, time of needle coloring, and provenance latitude. Seedling height was related to the time of bud formation (r=0.934, p\u003c0.01). The strains early in bud formation were not always early in needle coloring (r=0.393, ns). 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産地の緯度がカラマツ属樹種の実生苗の分枝性,成長,フェノロジー特性に及ぼす影響
http://hdl.handle.net/2261/22495
http://hdl.handle.net/2261/22495d101ec33-7630-4f7c-a2f3-680e4acbbf5b
名前 / ファイル | ライセンス | アクション |
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esrh102004.pdf (797.0 kB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2014-09-03 | |||||
タイトル | ||||||
タイトル | 産地の緯度がカラマツ属樹種の実生苗の分枝性,成長,フェノロジー特性に及ぼす影響 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題 | カラマツ属 | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | 冬芽形成 | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | 黄葉 | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | 分枝性 | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | 産地緯度 | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | Larix | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | bud formation | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | needle coloring | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | branching behavior | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | provenance latitude | |||||
主題Scheme | Other | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | departmental bulletin paper | |||||
その他のタイトル | ||||||
その他のタイトル | The Effect of Provenance Latitude on the Branching, Growth, and Phenological Characters for the Seedlings of Larix spp | |||||
著者 |
木佐貫, 博光
× 木佐貫, 博光× 倉橋, 昭夫 |
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著者別名 | ||||||
識別子 | 54351 | |||||
識別子Scheme | WEKO | |||||
姓名 | KISANUKI, Hiromitsu | |||||
著者別名 | ||||||
識別子 | 54352 | |||||
識別子Scheme | WEKO | |||||
姓名 | KURAHASHI, Akio | |||||
著者所属 | ||||||
著者所属 | 東京大学農学部附属演習林北海道演習林 | |||||
著者所属 | ||||||
著者所属 | 前東京大学農学部附属演習林北海道演習林 | |||||
著者所属 | ||||||
著者所属 | University Forest in Hokkaido, Faculty of Agriculture, The University of Tokyo | |||||
著者所属 | ||||||
著者所属 | Formerly University Forest in Hokkaido, Faculty of Agriculture, The University of Tokyo | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | カラマツ属樹種について,分布地の緯度が実生苗の分枝性,成長,およびフェノロジーに及ぼす影響を解明するために,北緯63度から北緯36度にかけての産地から種子を導入した。1996年春,東京大学北海道演習林山部苗畑(北緯43°13′,東経142°23′,標高230m)において播種し,2樹種4変種17系統277個体の2年生苗を対象として,冬芽形成および黄葉の観察を1997年6月~10月の期間に3~7日間隔で行った。また,苗高,当年生主軸長(l),側枝高(h)および側枝数を測定した。側枝相対高(100h/l)は,カラマツではほとんどの個体が40%以上の値を示し,高緯度産の樹種では0%を示すものが多かった。側枝数は,低緯度産樹種で多く,高緯度産樹種で少なかった。中間の緯度に分布する樹種では,側枝相対高および側枝数も両者の中間を示した。樹形におけるこれらの差異は,日長に対する当年枝側芽の反応が樹種あるいは系統の産地緯度に応じて異なるために生じるものと考えられる。冬芽形成日の頻度分布では,6月下旬と9月中旬に2つのピークがあり,限界日長時間に2つのグループが認められた。苗高,冬芽形成日,黄葉日および産地緯度についてそれぞれの相関関係を,樹種をこみにした系統について求めた。冬芽形成日と2年生苗高との間には高い相関があった(r=0.934,p<0.01)。冬芽形成の早い系統が黄葉も早いという傾向はなかった(r=0.393,ns)。産地の緯度が高い系統ほど,冬芽形成の時期が早くなる傾向があり(r=-0.762,p<0.01),カラマツ属樹種の冬芽形成は産地の緯度に規定されることが確認された。 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | To clarify the effect of provenance latitude on the growth and phenology of the seedlings of Larix spp., seeds were collected from the provenance between N63° and N36°. Seeds were sown at the nursery of the University Forest in Hokkaido, University of Tokyo, Japan (N43°13′, E142°23′, alt. 230m) in spring, 1996. Phenological observations of the time of terminal bud formation and needle coloring were made for 2-year-old seedlings of two species and four varieties, consisting of 17 strains, giving in total 277 individuals. Observations were made at intervals of three to seven days from June to October in 1997. In addition, seedling height, length of the current main axis (l), and length from the bottom to the base of the highest lateral shoot in the current main axis (h) were measured. The relative height of lateral shoots (100 h/l) was calculated. The number of lateral shoots on the current main axis was also counted. The relative height of lateral shoots for most of the Japanese larch was over 40%, while for most of the other seedling strains from high latitudes it was 0%. Seedling strains of species from low latitudes had many lateral shoots, while those from high latitudes had only a few. Other strains, distributed between these two in terms of latitude, showed intermediate branching behavior. These differences in lateral shoots were derived from the difference in the response of lateral buds on the current axis to day length. There were two peaks in the frequency distribution for the time of bud formation which implied two groups in threshold day length. Correlation coefficients were calculated on the strains regardless of species between seedling height, time of bud formation, time of needle coloring, and provenance latitude. Seedling height was related to the time of bud formation (r=0.934, p<0.01). The strains early in bud formation were not always early in needle coloring (r=0.393, ns). There was a trend that the higher the provenance latitude, the earlier the time of bud formation (r=-0.762, p<0.01), indicating that bud formation is related to provenance latitude in Larix spp. | |||||
書誌情報 |
東京大学農学部演習林報告 巻 102, p. 93-102, 発行日 1999 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 03716007 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00162451 | |||||
日本十進分類法 | ||||||
主題 | 610 | |||||
主題Scheme | NDC | |||||
出版者 | ||||||
出版者 | 東京大学大学院農学生命科学研究科附属演習林 | |||||
出版者別名 | ||||||
The Tokyo University Forests |