| 构树去木质部后外源IAA和GA对维管组织和周皮再生的影响 |
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| 引用本文： | 王震,崔克明.构树去木质部后外源IAA和GA对维管组织和周皮再生的影响[J].北京大学学报(自然科学版),1999,35(4):459-466. |
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| 作者姓名： | 王震 崔克明 |
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| 作者单位： | 北京大学生命科学学院，北京，100871 |
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| 基金项目： | 国家自然科学基金;39570583,39770048; |
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| 摘 要： | 1或2年生构树的茎干去木质部后立即除去所有的芽和叶，如果对去芽顶端施以外源IAA，或IAA和GA的混合物都能诱导新的茎干状结构的形成。但GA与IAA共同使用后减少了IAA所诱导形成的茎干状结构中维管组织的细胞数。单独用GA可促进愈伤组织的形成，抑制新的周皮、形成层和维管组织的分化。
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| 关 键 词： | 去木质部 再生作用 IAA GA 构树 |
| 收稿时间： | 1998-02-23 |
Effects of Exogenous IAA and GA on Regeneration of Vascular Tissues and Periderm in Broussonetia papyrifera Stems after Removal of the Xylem |
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| WANG Zhen,CUI Keming.Effects of Exogenous IAA and GA on Regeneration of Vascular Tissues and Periderm in Broussonetia papyrifera Stems after Removal of the Xylem[J].Acta Scientiarum Naturalium Universitatis Pekinensis,1999,35(4):459-466. |
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| Authors: | WANG Zhen CUI Keming |
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| Institution: | College of Life Sciences, Peking University, Beijing, 100871 |
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| Abstract: | The application of IAA alone or together with GA to the apex of disbudded and de foliated 1 or 2 year old Broussonetia papyrifera (L.) Vent.treelet stems could induce formation of a new trunk like structure after removal of the cent ral cylinder of xylem and pith.Applying GA together with IAA decreased the num ber of various tissue cells in the IAA induced new trunk like structure.Howeve r treatment with GA by itself promoted callus formation and inhibited new peride rm,cambium and vascular tissues differentiation. |
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| Keywords: | IAA GA removal of xylem regeneration IAA(Indole-3-acetic acid) GA(Gibberellin) Broussonetia papyrifera (L ) Vent |
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