| 温度和盐胁迫对油葵种子萌发及幼苗生长的影响 |
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| 引用本文： | 陈玉梁,裴怀弟,陈炳东,王蒂. 温度和盐胁迫对油葵种子萌发及幼苗生长的影响[J]. 中国油料作物学报, 2011, 33(4): 374-378 |
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| 作者姓名： | 陈玉梁 裴怀弟 陈炳东 王蒂 |
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| 作者单位： | 1. 甘肃省农业科学院 甘肃 兰州 730070；2. 甘肃省科协，甘肃 兰州 730070；3.甘肃农业大学甘肃省作物遗传改良与种质创新重点实验室, 甘肃 兰州 730070
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| 基金项目： | 国家现代农业产业体系专项(CARS-16) |
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| 摘 要： | 通过测定不同温度和盐胁迫浓度对油葵种子发芽势、发芽率和幼苗生理生化特性指标的影响,发现相同温度条件下,随着盐浓度的升高,油葵种子的发芽势、发芽率呈降低趋势,发芽时间延迟,胚根的生长受到抑制,胚根长、子叶鲜重均呈现下降的趋势；油葵幼苗的叶片和根系的电解质相对外渗率,SOD、POD活性均呈现先升后降的趋势.相同浓度盐胁迫下...
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| 关 键 词： | 油葵 盐胁迫 种子萌发 生理生化特性 |
Effect of temperature and salt stress on seed germination and seedling growth of oil-sunflower |
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| CHEN Yu-liang,,PEI Huai-di,SHI You-tai,CHEN Bing-dong,WANG Di. Effect of temperature and salt stress on seed germination and seedling growth of oil-sunflower[J]. Chinese Journal of Oil Crop Sciences, 2011, 33(4): 374-378 |
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| Authors: | CHEN Yu-liang PEI Huai-di SHI You-tai CHEN Bing-dong WANG Di |
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| Affiliation: | CHEN Yu-liang1,3,PEI Huai-di1,SHI You-tai1,CHEN Bing-dong2,WANG Di3(1.Gansu Academy of Agriculture Sciences,Lanzhou 730070,China,2.Gansu Province Science & Technology Association,3.Gansu Key Laboratory of Crop Genetic & Germplasm Enhancement,Gansu Agricultural University,China) |
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| Abstract: | Effects of temperature and concentration of salt stress were studied on germination energy,germination rate and physiological-biochemical characteristics of the seedlings of oil-sunflowers.Experiment demonstrated that: under the same temperature,with increased salt concentration,germination energy and germination rate of oil-sunflowers were decreased;germination time was extended;growth of radicles was inhibited;length of young buds and fresh weight of seedlings were decreased.Relative seeping of electrolyt... |
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| Keywords: | Oil-sunflower Salt stress Seed germination Physiological and biochemical-properties |
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