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アイテム
ブタクサの生育と性表現に及ぼす温度と日長の影響
http://hdl.handle.net/10105/2416
http://hdl.handle.net/10105/2416f8d20573-cfc8-4908-8d27-630d2a8ed65f
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
NUE29_2_81-90.pdf (1.2 MB)
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| アイテムタイプ | 紀要論文 / Departmental Bulletin Paper(1) | |||||||||
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| 公開日 | 2010-05-18 | |||||||||
| タイトル | ||||||||||
| タイトル | ブタクサの生育と性表現に及ぼす温度と日長の影響 | |||||||||
| 言語 | ||||||||||
| 言語 | jpn | |||||||||
| 資源タイプ | ||||||||||
| 資源タイプ | departmental bulletin paper | |||||||||
| 著者 |
石井, 滋規
× 石井, 滋規
× 西村, 勝美
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| 著者(ヨミ) | ||||||||||
| 姓名 | イシイ, シゲキ | |||||||||
| 著者(ヨミ) | ||||||||||
| 姓名 | ニシムラ, カツミ | |||||||||
| 著者別名 | ||||||||||
| 姓名 | ISHII, Shigeki | |||||||||
| 著者別名 | ||||||||||
| 姓名 | NISHIMURA, Katsumi | |||||||||
| 抄録 | ||||||||||
| 内容記述タイプ | Abstract | |||||||||
| 内容記述 | Lots of the plants obtained from the seeds produced on a mother plant with the standard form of Ambrosia artemisiifolia var. elatior were grown from June 13 to August 30 at different ranges of temperature, those are, natural outdoor temperature, nearly 20℃ (lo-T) and 30℃ or over (hi-T). The first group of plants was furthermore divided into four lots, natural day length (Control), early short day treatment (ea-SD), late short day treatment (la-SD) and long day treatment (LD). The short day treatments lasted 20 days with 8 hours photoperiod from June 19 for ea-SD and from July 10 for la-SD. The long day treatment kept on 42 days from June 19 to August 30 with 18 hours photoperiod. As the results: SD markedly suppressed the increase in both plant height and number of leaves, while LD promoted the former with no acceleration in the latter. Although lo-T inhibited growth in length, the final number of leaves was rather more than the Control. Hi-T accelerated the increase in both plant height and number of leaves. SD hastened 10 to 34 days the florescence of male and female flowers, especially of the latter, resulting in protogyny in contrast to protandry in the other lots including the Control. Though LD delayed the florescence 11 days, the appearance of the terminal raceme bud observed on the last day of long day treatment suggested that the critical day length for the flower formation would be longer than 18 hours. Both lo-T and hi-T prolonged the flowering time 5 to 6 days, showing the optimal temperature for the flowering was at the middle range between 20℃ and 30℃. SD decreased strikingly male capitula in contrast to the Control and increased female flowers, especially the fertile, leading to favour femaleness in the plant. LO-T suppressed the increase in number of male capitula, while it had no effect on the increment of the female flowers. It was not shown that LD positively promoted maleness, in spite of the increase in number of male capitula in the terminal raceme of main stem and the middle and upper branches, because the relative number of male capitula to the female flowers per plant was decreased to some extent by LD. It was not also cleared whether hi-T enhanced maleness or not, as it increased the number of female flowers per plant as well as male capitula. | |||||||||
| 書誌情報 |
奈良教育大学紀要. 自然科学 巻 29, 号 2, p. 81-90, 発行日 1980-11-25 |
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| ISSN | ||||||||||
| 収録物識別子タイプ | ISSN | |||||||||
| 収録物識別子 | 05472407 | |||||||||
| 書誌レコードID | ||||||||||
| 収録物識別子タイプ | NCID | |||||||||
| 収録物識別子 | AN00181070 | |||||||||
| 著者版フラグ | ||||||||||
| 出版タイプ | VoR | |||||||||
| その他のタイトル | ||||||||||
| その他のタイトル | Effects of Temperature and Day Length on the Growth and Sex Expression in Ambrosia artemisiifolia var. elatior | |||||||||
| 出版者 | ||||||||||
| 出版者 | 奈良教育大学 | |||||||||
