|
|||||
|
|
| 外源植物激素对羊草种子形成及萌发的影响 | |
| 引用本文： | 李晓宇,蔺吉祥,穆春生,王丽娜.外源植物激素对羊草种子形成及萌发的影响[J].中国农学通报,2012,28(23):11-14. |
| 作者姓名： | 李晓宇 蔺吉祥 穆春生 王丽娜 |
| 作者单位： | 1. 中国科学院湿地生态与环境重点实验室/中国科学院东北地理与农业生态研究所,长春,130012 2. 植被生态科学教育部重点实验室/东北师范大学草地科学研究所,长春,130024 3. 大连金州新区环境保护局环境监测中心,辽宁大连,116600 |
| 基金项目： | 国家自然科学基金“羊草子株出生,发育及成穗的生理与分子机制”（31172259）、“湿地芦苇对干旱、淹水交替条件的生理响应及其适应”（31100403） |
| 摘 要： | 为了提高羊草种子的产量及品质，在羊草拔节初期喷施赤霉素(GA3)、生长素(IAA)、激动素(KT)3种植物激素，调查羊草单株结实数、粒重变化及种子萌发特性。结果表明，不同的外源植物激素对羊草种子形成与种子萌发的影响有所不同。GA3和KT均可以显著增加羊草单株结实数和粒重，然而GA3对种子萌发并无显著影响，KT则显著降低了种子萌发的各项指标。IAA虽然对羊草结实数与粒重无显著影响，但是却显著增加了当季种子萌发的各项指标及幼苗根长。因此，喷施外源GA3可以有效提高羊草种子的结实数及粒重，喷施IAA可以显著增加当季羊草种子的萌发质量。 |
| 关 键 词： | 生物学特性 生物学特性 |
| 收稿时间： | 2011/11/4 0:00:00 |
| 修稿时间： | 2012/1/10 0:00:00 |
The Effect of Applying Exogenous Plant Hormone on Seed Formation and Germination Characteristic of Leymus chinensis |
|
| Li Xiaoyu , Lin Jixiang , Mu Chunsheng , Wang Li'na.The Effect of Applying Exogenous Plant Hormone on Seed Formation and Germination Characteristic of Leymus chinensis[J].Chinese Agricultural Science Bulletin,2012,28(23):11-14. | |
| Authors: | Li Xiaoyu Lin Jixiang Mu Chunsheng Wang Li'na |
| Institution: | Li Xiaoyu, Lin Jixiang, Mu Chunsheng, Wang Li＇na (1Key Laboratory of Wetland Ecology and Environment/Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130012; 2Key Laboratory of Vegetation Ecology of Ministry of Education/Institute of Grassland Science, Northeast Normal University; Changchun 130024;3Environmental Monitoring Center, Environmental Protection Agency in Dalian Jinzhou New District, Dalian Liaoning 116600) |
| Abstract: | The aim was to improve the yield and quality of Leymus ehinensis. The experiment was conducted by applying GA3, IAA and KT on L. ehinensis jointing stage, to investigate the change of seed number and weight, and the charaeteristic of seed germination. The results indicated that, different exogenous hormone had diverse effects on the seed formation and germination on L. ehinensis. GA3 and KT enhanced the number and weight of seeds of L. chinensis. However, GA3 had no significant effect on seed germination, but KT markedly decreased the various index of seed germination. Although IAA had no significant effect on the seeds number and weight per plant, it increased the various index of seed germination and the root length. Therefore, foliar spray with GA3 could effective improved the seed number and weight of L. ehinensis, and application with IAA could increased the seed germination aualitv of the season. |
| Keywords: | Leymus ehlnensis exogenous plant hormone seed germinate seedling |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |
| 点击此处可从《中国农学通报》浏览原始摘要信息 | |
| 点击此处可从《中国农学通报》下载免费的PDF全文 | |