| PEG对老芒麦种质材料萌发期抗旱性影响的研究 |
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| 引用本文： | 张晨妮,周青平,颜红波,刘文辉. PEG对老芒麦种质材料萌发期抗旱性影响的研究[J]. 种子, 2010, 29(1) |
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| 作者姓名： | 张晨妮 周青平 颜红波 刘文辉 |
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| 作者单位： | 1. 青海大学,青海,西宁,810016
2. 青海省畜牧兽医科学院草原所,西宁,810016 |
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| 基金项目： | 农业部"青藏高原牧草种质资源保护利用"，农业部"牧草植物种质资源标准化整理、整合及共享"，农业部行业专项"人工草地优质牧草生产技术研究与示范"(nyhyzx07-022) 目资助 |
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| 摘 要： | 为了解老芒麦种质材料萌发期的抗旱性,选取10份来自不同地区的老芒麦种质材料在0%、5%、10%、15%和20%的PEG胁迫下,对发芽率、相对发芽势、发芽指数、种子活力、幼苗长度进行综合测定评价。10份材料抗旱性可分为3类:相对抗旱老芒麦,分别来自新疆伊犁昭苏阿合牙子(E01);中等抗旱材料,新疆(E03)、新疆乌鲁木齐(E04)、山西台怀镇清水沟(E08)、青海同德(E09)和青海刚察(E10);北京百花山(E02)、甘肃碌曲玛艾(E05)、青海刚察(E06)和北京雾灵山(E07)的抗旱相对易感。老芒麦作为优良的牧草,研究其在PEG胁迫下时的萌发特性的变化,对其优良品种的选育具有重要意义。
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| 关 键 词： | 抗旱性 老芒麦牧草种子 发芽特性 |
Study on the Effect of PEG on Drought Resistance of Elymus sibiricus L.Germplasm Materials in the Seed Germination Period |
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| ZHANG Chen-ni,ZHOU Qing-ping,YAN Hong-bo,LIU Wen-hui. Study on the Effect of PEG on Drought Resistance of Elymus sibiricus L.Germplasm Materials in the Seed Germination Period[J]. Seed, 2010, 29(1) |
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| Authors: | ZHANG Chen-ni ZHOU Qing-ping YAN Hong-bo LIU Wen-hui |
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| Affiliation: | ZHANG Chen-ni1,ZHOU Qing-ping2,YAN Hong-bo2,LIU Wen-hui2(1.Qinghai University,Xining Qinhai 810016,China,2.Institute of Grassl,,Qinghai Academy of Animal , Veterinary Sciences,Xining 810016,China) |
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| Abstract: | In order to learn the drought resistance of Elymus sibiricus L.,ten germplasm materials seeds samples were collected at various locations in China.The seeds were treated with distilled water and PEG solution with different concentration of 0%,5%,10%,15%,20% and evaluated the relative germination rate,germination potential,germination index,vitality index,young seedling's lengths and comprehensive analysis on seed germination.The 10 germplasms were divided into the following three categories.The strong droug... |
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| Keywords: | PEG drought resistance Elymus sibiricus L.seeds germination PEG |
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