四倍性タイワンギリの外部形態と木繊維
1. コルヒチン處理に依つて育成したタイワンギリの四倍體について、幼葉に於て地上部の倍如を核學的に確認し、二倍體は2n=40.四倍體は2n=80を決定した。 2. 氣孔の増大は倍數性の絶對的指標とはなちないが、選抜をなす場合の豫備的調査としては役立つであろうと結論した。 3. 木纎維は染色體倍加に伴つて長く太くなり、長さは3割匠く太さは4割以上増大するが,生長状態が良好であるか否かは今後の研究に俟たねばならない。...
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| Published in | 日本林学会誌 Vol. 29; no. 1-3; pp. 10 - 14 |
|---|---|
| Main Authors | , , |
| Format | Journal Article |
| Language | Japanese |
| Published |
日本森林学会
1948
THE JAPANESE FORESTRY SOCIETY |
| Online Access | Get full text |
| ISSN | 0021-485X 2185-8195 |
| DOI | 10.11519/jjfs1934.29.1-3_10 |
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| Abstract | 1. コルヒチン處理に依つて育成したタイワンギリの四倍體について、幼葉に於て地上部の倍如を核學的に確認し、二倍體は2n=40.四倍體は2n=80を決定した。 2. 氣孔の増大は倍數性の絶對的指標とはなちないが、選抜をなす場合の豫備的調査としては役立つであろうと結論した。 3. 木纎維は染色體倍加に伴つて長く太くなり、長さは3割匠く太さは4割以上増大するが,生長状態が良好であるか否かは今後の研究に俟たねばならない。 |
|---|---|
| AbstractList | R. Kanezawa, H. Nabeshima and A. Ando: On the Morphological changes and wood fibers of tetraploid Paulownia Kawakami T. T. Co. Writers confirmed the somatic doubling of tree-tops by the cytologecal studies on the young leaves of tetraploid Paulownia Kawakami T. Ito, which were induced by colchicine treatments in the spring of 1942, and determined the chromosome numbers 2n=40 for the diploid and 2n=80 for the tetraploid. On the tetraploid, the thickness of leaves shows an increase of 2.5%, major and minor axes of stomata increase by 13.7% and 8.8% respectively, but stomatal counts decrease by 3% per 1 mm2. These changes are not very remarkable characteristics as polyploids, but hairs increase by 39.9% in lenghth and 20.7% in thickness. Forest-trees have great quantitative variations, so it is illogical to compare morphological changes and leave this fact out of account in different individuals. According to the somatic doubling, wood fibres increase about 30% in length and above 40% in thickness, but it is impossible to say of the growth of a tetraploid tree without future studies of it.
1. コルヒチン處理に依つて育成したタイワンギリの四倍體について、幼葉に於て地上部の倍如を核學的に確認し、二倍體は2n=40.四倍體は2n=80を決定した。 2. 氣孔の増大は倍數性の絶對的指標とはなちないが、選抜をなす場合の豫備的調査としては役立つであろうと結論した。 3. 木纎維は染色體倍加に伴つて長く太くなり、長さは3割匠く太さは4割以上増大するが,生長状態が良好であるか否かは今後の研究に俟たねばならない。 1. コルヒチン處理に依つて育成したタイワンギリの四倍體について、幼葉に於て地上部の倍如を核學的に確認し、二倍體は2n=40.四倍體は2n=80を決定した。 2. 氣孔の増大は倍數性の絶對的指標とはなちないが、選抜をなす場合の豫備的調査としては役立つであろうと結論した。 3. 木纎維は染色體倍加に伴つて長く太くなり、長さは3割匠く太さは4割以上増大するが,生長状態が良好であるか否かは今後の研究に俟たねばならない。 |
| Author | 金澤, 林助 安藤, 愛次 鍋島, 寛 |
| Author_FL | Nabeshima H Ando A Kanezawa R |
| Author_FL_xml | – sequence: 1 fullname: Kanezawa R – sequence: 2 fullname: Nabeshima H – sequence: 3 fullname: Ando A |
| Author_xml | – sequence: 1 fullname: 鍋島, 寛 organization: 東大農學部林學科造林學教室 – sequence: 1 fullname: 安藤, 愛次 organization: 東大農學部林學科造林學教室 – sequence: 1 fullname: 金澤, 林助 organization: 東大農學部林學科造林學教室 |
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| DOI | 10.11519/jjfs1934.29.1-3_10 |
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| Discipline | Forestry |
| DocumentTitleAlternate | On the morphological changes and woodfibres of tetrapioid Paulownia Kawakami T, Ito |
| DocumentTitle_FL | On the morphological changes and woodfibres of tetrapioid Paulownia Kawakami T, Ito |
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| PublicationYear | 1948 |
| Publisher | 日本森林学会 THE JAPANESE FORESTRY SOCIETY |
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| References | Sax, K. & H. J. Sax 1937: Stomata size and distribution in diploid and polyploid plants. Journ. Arn. Arb. 18, 164-72. Bergström, I. 1938: Seedlings obtained from progeny of teiploid varieties. Hereditas 24, 210-5. Melander, Y. 1938: A new gigant Populus tremula In Norrbotten. Hereditas 24, 187-94. 竹中要 1947: 倍數性が示す形態的特徴殊に巨大性の極限、農學綜報 第一輯 倍數性 85～144. Duffield, I. W. 1943: Polyploidy in Acer rubrum L. Chronica Botanica 7, 390-1. 金澤林助及大村章 1942: コルヒチン處理に依つて作成せるキリの四倍體、植動 10, 1122～5. Löve, A. 1944: A new triploid Betula verrucosa. Svensk Bot. Tidskr. 38, 381-93. Johnsson, H. 1940: Studies of diploid and teiploid Populus temula and of crosses between them. IV. Oxycoccus. Hereditas. 26, 321-52. 松浦一 1937: 三倍性のフヂと細胞定數 (Eutely) の問題、植動. 5, 15～24. Hagerup, O. 1940: Studies on the significance of polyploidy. IV. Oxycoccus. Hereditas 26, 399-410 Dermen, H. & D. H. Scott 1938: A note on natural and colchicine-induced polyploidy in peaches. Proc. Amer. Soc. Hort. Sci. 36, 299. Dermen, H. 1941: Simple and complex periclinal tetraploidy in peaches induced by colchicine, Proc. Amer. Soc. Hort. Sci. 38, 141. Müntzing, A. 1936: The chromosomes of gigant Populus tremula. Hereditas 21, 383-93. Frost, H. B. & C. A. Krug 1942: Diploid-tetraploid periclinal chimeras as bud variants in Citrus. Genetics 27, 619-34. Sax, K. 1938: The relation between stomata counts and chrosome number. Journ. Arn. Arb. 19, 437-41. |
| References_xml | – reference: Sax, K. & H. J. Sax 1937: Stomata size and distribution in diploid and polyploid plants. Journ. Arn. Arb. 18, 164-72. – reference: Melander, Y. 1938: A new gigant Populus tremula In Norrbotten. Hereditas 24, 187-94. – reference: Johnsson, H. 1940: Studies of diploid and teiploid Populus temula and of crosses between them. IV. Oxycoccus. Hereditas. 26, 321-52. – reference: Löve, A. 1944: A new triploid Betula verrucosa. Svensk Bot. Tidskr. 38, 381-93. – reference: Müntzing, A. 1936: The chromosomes of gigant Populus tremula. Hereditas 21, 383-93. – reference: 金澤林助及大村章 1942: コルヒチン處理に依つて作成せるキリの四倍體、植動 10, 1122～5. – reference: Sax, K. 1938: The relation between stomata counts and chrosome number. Journ. Arn. Arb. 19, 437-41. – reference: Dermen, H. 1941: Simple and complex periclinal tetraploidy in peaches induced by colchicine, Proc. Amer. Soc. Hort. Sci. 38, 141. – reference: Dermen, H. & D. H. Scott 1938: A note on natural and colchicine-induced polyploidy in peaches. Proc. Amer. Soc. Hort. Sci. 36, 299. – reference: Bergström, I. 1938: Seedlings obtained from progeny of teiploid varieties. Hereditas 24, 210-5. – reference: Frost, H. B. & C. A. Krug 1942: Diploid-tetraploid periclinal chimeras as bud variants in Citrus. Genetics 27, 619-34. – reference: Duffield, I. W. 1943: Polyploidy in Acer rubrum L. Chronica Botanica 7, 390-1. – reference: 松浦一 1937: 三倍性のフヂと細胞定數 (Eutely) の問題、植動. 5, 15～24. – reference: 竹中要 1947: 倍數性が示す形態的特徴殊に巨大性の極限、農學綜報 第一輯 倍數性 85～144. – reference: Hagerup, O. 1940: Studies on the significance of polyploidy. IV. Oxycoccus. Hereditas 26, 399-410, |
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| Snippet | 1. コルヒチン處理に依つて育成したタイワンギリの四倍體について、幼葉に於て地上部の倍如を核學的に確認し、二倍體は2n=40.四倍體は2n=80を決定した。 2. 氣孔の増大は倍數性の絶對的指標とはなちないが、選抜をなす場合の豫備的調査としては役立つであろうと結論した。 3.... R. Kanezawa, H. Nabeshima and A. Ando: On the Morphological changes and wood fibers of tetraploid Paulownia Kawakami T. T. Co. Writers confirmed the somatic... |
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| Title | 四倍性タイワンギリの外部形態と木繊維 |
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