| PEG处理下青海栽培小麦萌发期及幼苗期抗旱性研究 |
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| 引用本文： | 李凤珍 马晓岗. PEG处理下青海栽培小麦萌发期及幼苗期抗旱性研究[J]. 中国农学通报, 2011, 27(21): 44-48 |
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| 作者姓名： | 李凤珍 马晓岗 |
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| 作者单位： | 1. 青海大学生物科学系,高原资源植物与细胞工程实验室,西宁 810016
2. 青海大学农科院作物所,西宁,810016 |
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| 基金项目： | 国家自然科学基金项目“通过体细胞杂交转移高山植物抗寒性研究”(30960161) |
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| 摘 要： | 为了给青海小麦抗旱性育种提供依据，以7个青海省培育并已大面积推广的普通小麦品种为材料，经过渗透胁迫处理（20% PEG6000），研究小麦萌发期胚芽鞘长度及萌发率的变化和幼苗期部分生化指标（脯氨酸、过氧化氢酶(CAT)、可溶性糖）的变化。结果表明：渗透胁迫处理后，小麦萌发期胚芽鞘生长缓慢且萌发率低；幼苗期脯氨酸含量、可溶性糖的含量升高，CAT活性上升。初步判断出7个品种的抗旱性为‘小红麦’、‘阿勃最强’；‘乐麦5号’、‘互麦11’和‘山旱901’次之；‘互助红’和‘互麦15’抗旱性最弱。
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| 关 键 词： | 抗性淀粉结构 抗性淀粉结构 |
| 收稿时间： | 2011-03-30 |
| 修稿时间： | 2011-05-05 |
Study on Drought-resistance of Wheat Varieties at Germination Stage and Seedlings in Qinghai |
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| Li Fengzhen,Ma Xiaogang. Study on Drought-resistance of Wheat Varieties at Germination Stage and Seedlings in Qinghai[J]. Chinese Agricultural Science Bulletin, 2011, 27(21): 44-48 |
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| Authors: | Li Fengzhen Ma Xiaogang |
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| Affiliation: | Li Fengzhen 1,Ma Xiaogang 2(1 Department of Biology Sciences,Laboratory of Resource Plant and Cell Engineering in Qinghai-Tibet Plateau,Qinghai University,Xining 810016,2 Institute of Crop Sciences,Qinghai Academy of Agricultural and Forestry Sciences,Xining 810016) |
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| Abstract: | In order to provide drought-resistance evidence of wheat breeding in Qinghai,seven wheat cultured varieties in Qinghai were researched on their coleoptile length and germination rate change in germination stage and several biochemical indices(proline,CAT,dissolubility candy) in seedling between control groups and treatment groups(PEG6000 0f 20%).The result indicated that coleoptile of these wheat varieties grew slowly under PEG6000 0f 20%,proline content and soluber sugar content rise,CAT activity rise in s... |
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| Keywords: | wheat germination stage seedlings drought resistance |
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