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2 Inner Mongolia Autonomous Region Forestry and Grassland Seedling Station Hohhot, Inner Mongolia 010017, China;
3 Beijing Institute of Animal Husbandry and Veterinary, Chinese Academy of Agricultural Sciences, Beijing 100193, China, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1309569831922397974, articleId=1309569831658156821, tenantId=1146029695717560320, journalId=1308397196074385509, language=CN, title=10份野生披碱草种质耐盐碱性综合评价, columnId=1309565024058835950, journalTitle=草地学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=为了探究不同披碱草(Elymusdahuricus)种质萌发期和苗期对盐碱胁迫的耐受性,本研究随机选取3份披碱草种质进行不同浓度盐碱胁迫盆栽试验(NaCl∶NaHCO₃=3∶1),以发芽率为指标确定披碱草耐盐碱评价体系的最佳胁迫浓度为100 mmol·L⁻¹和150mmol·L⁻¹。在此胁迫浓度下,以清水为对照,采用盆栽试验,通过测定发芽及农艺性状指标,对10份种质的耐盐碱性进行综合评价。结果表明,盐碱胁迫显著抑制披碱草种子萌发与幼苗生长,且抑制效应随浓度升高而增强。E5在100 mmol·L⁻¹胁迫下各发芽指标均最高,耐盐碱性最强;而E6的所有测定指标均低于其他材料,且150 mmol·L⁻¹盐碱胁迫下发芽率为0,耐盐碱性最弱。综合评价结果表明,10份披碱草种质的耐盐碱性为E5>E2>E9>E1>E10>E4>E3>E7>E8>E6,划分为强耐盐碱、耐盐碱、中耐盐碱、弱耐盐碱和不耐盐碱5类。本研究为后续披碱草耐盐碱新品种选育及耐盐碱分子机理的研究提供种质材料与理论支持。, authors=刘瑞波1, 曹诗娅1, 何欣月1, 李嘉禾1, 伊风艳2, 唐芳1, 王学敏3, authorsList=刘瑞波, 曹诗娅, 何欣月, 李嘉禾, 伊风艳, 唐芳, 王学敏, authorCompany=1 内蒙古农业大学草业学院/农业部饲草栽培、加工与高效利用重点实验室, 内蒙古自治区草原生态保护学重点实验室, 内蒙古 呼和浩特 010010;
2 内蒙古自治区林业和草原种苗总站, 内蒙古 呼和浩特 010017;
3 中国农业科学院北京畜牧兽医研究所, 北京 100193, correspAuthors=null, authorNote=刘瑞波(2001-),女,汉族,山西忻州人,硕士研究生,主要从事牧草种质资源与育种方向研究,E-mail:18347314833@163.com, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=5w/sg4BtU7ZCfMAEzz9Eww==, pdfFileSize=1411288, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=草种基因资源挖掘与种质创新利用 (2023YFD120030303); 优质饲草种质资源鉴定评价与新种质创制 (2025KYPT0148); 浑善达克野生草品种培育和生产抚育资助)}, authors=null, keywords=[Keyword(id=1309569832203416344, tenantId=1146029695717560320, journalId=1308397196074385509, articleId=1309569831658156821, language=CN, orderNo=1, keyword=披碱草), Keyword(id=1309569832287302425, tenantId=1146029695717560320, journalId=1308397196074385509, articleId=1309569831658156821, language=CN, orderNo=2, 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10份野生披碱草种质耐盐碱性综合评价
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草地学报 | 研究论文 2026,34(3): 853-864
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草地学报 |研究论文 2026 , 34 (3) : 853 -864
10份野生披碱草种质耐盐碱性综合评价
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刘瑞波1, 曹诗娅1, 何欣月1, 李嘉禾1, 伊风艳2, 唐芳1, 王学敏3
作者信息
    1 内蒙古农业大学草业学院/农业部饲草栽培、加工与高效利用重点实验室, 内蒙古自治区草原生态保护学重点实验室, 内蒙古 呼和浩特 010010;
    2 内蒙古自治区林业和草原种苗总站, 内蒙古 呼和浩特 010017;
    3 中国农业科学院北京畜牧兽医研究所, 北京 100193
作者简介:
刘瑞波(2001-),女,汉族,山西忻州人,硕士研究生,主要从事牧草种质资源与育种方向研究,E-mail:18347314833@163.com
Comprehensive Evaluation of Salt-Alkaline Tolerance in 10 Wild Elymusdahuricus Germplasms
  • LIU Rui-bo1, CAO Shi-ya1, HE Xin-yue1, LI Jia-he1, YI Feng-yan2, TANG Fang1, WANG Xue-min3
  • Affiliations
      1 Pratacultural College of Inner Mongolia Agricultural University, Key Laboratory of Forage Cultivation, Processing and Efficient Utilization of the Ministry of Agriculture, Key Laboratory of Grassland Ecological Protection of Inner Mongolia Autonomous Region, Hohhot, Inner Mongolia 010010, China;
      2 Inner Mongolia Autonomous Region Forestry and Grassland Seedling Station Hohhot, Inner Mongolia 010017, China;
      3 Beijing Institute of Animal Husbandry and Veterinary, Chinese Academy of Agricultural Sciences, Beijing 100193, China
    doi: 10.11733/j.issn.1007-0435.2026.03.011
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    为了探究不同披碱草(Elymusdahuricus)种质萌发期和苗期对盐碱胁迫的耐受性,本研究随机选取3份披碱草种质进行不同浓度盐碱胁迫盆栽试验(NaCl∶NaHCO₃=3∶1),以发芽率为指标确定披碱草耐盐碱评价体系的最佳胁迫浓度为100 mmol·L⁻¹和150mmol·L⁻¹。在此胁迫浓度下,以清水为对照,采用盆栽试验,通过测定发芽及农艺性状指标,对10份种质的耐盐碱性进行综合评价。结果表明,盐碱胁迫显著抑制披碱草种子萌发与幼苗生长,且抑制效应随浓度升高而增强。E5在100 mmol·L⁻¹胁迫下各发芽指标均最高,耐盐碱性最强;而E6的所有测定指标均低于其他材料,且150 mmol·L⁻¹盐碱胁迫下发芽率为0,耐盐碱性最弱。综合评价结果表明,10份披碱草种质的耐盐碱性为E5>E2>E9>E1>E10>E4>E3>E7>E8>E6,划分为强耐盐碱、耐盐碱、中耐盐碱、弱耐盐碱和不耐盐碱5类。本研究为后续披碱草耐盐碱新品种选育及耐盐碱分子机理的研究提供种质材料与理论支持。
    披碱草  /  盐碱胁迫  /  综合评价  /  种质资源
    This study aimed to evaluate the salt-alkali tolerance of Elymusdahuricus accessions during germination and early seedling stages. Three preliminary accessions were first screened under gradient salt-alkali stress (NaCl∶NaHCO3=3∶1) to determine appropriate treatment levels; 100 and 150 mmol·L-1 were selected for subsequent experiments based on germination rate. Ten wild accessions originating from diverse regions and habitats were then subjected to these two stress concentrations in a pot trial, with water as the control. Germination and agronomic traits were measured to comprehensively assess salt-alkali tolerance.Salt-alkali stress significantly inhibited seed germination and seedling growth, and the inhibitory effects intensified with increased concentration. Under 100 mmol·L-1 stress, accession E5 exhibited the highest values for all germination parameters and was identified as the most tolerant one, whereas E6 showed the poorest performance, with 0% germination at 150 mmol·L-1, indicating lowest tolerance. The ten accessions were consequently ranked as E5>E2>E9>E1>E10>E4>E3>E7>E8>E6, and classified into five categories: highly tolerant, tolerant, moderately tolerant, weakly tolerant and non-tolerant. These results provide valuable germplasm resources and a theoretical basis for breeding salt-alkali-tolerant E. dahuricus cultivars and for elucidating the molecular mechanisms underlying salt-alkali tolerance.
    Elymusdahuricus  /  Salt-alkaline stress  /  Comprehensive evaluation  /  Germplasm resources
    刘瑞波, 曹诗娅, 何欣月, 李嘉禾, 伊风艳, 唐芳, 王学敏. 10份野生披碱草种质耐盐碱性综合评价. 草地学报, 2026 , 34 (3) : 853 -864 . DOI: 10.11733/j.issn.1007-0435.2026.03.011
    LIU Rui-bo, CAO Shi-ya, HE Xin-yue, LI Jia-he, YI Feng-yan, TANG Fang, WANG Xue-min. Comprehensive Evaluation of Salt-Alkaline Tolerance in 10 Wild Elymusdahuricus Germplasms[J]. Acta Agrestia Sinica, 2026 , 34 (3) : 853 -864 . DOI: 10.11733/j.issn.1007-0435.2026.03.011

      草种基因资源挖掘与种质创新利用 (2023YFD120030303); 优质饲草种质资源鉴定评价与新种质创制 (2025KYPT0148); 浑善达克野生草品种培育和生产抚育资助

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    2026年第34卷第3期
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    2种不同金属材料的力学参数
    科
    Family
    属数
    Number of
    genus
    种数
    Number of
    species
    占总种数比例
    Percentage of
    total species (%)
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    Genus
    种数
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    species (%)
    鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
    小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
    多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
    红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
    小菇属 Mycena 11 5.26
    光柄菇属 Pluteus 5 2.39
    红菇属 Russula 17 8.13
    栓菌属 Trametes 5 2.39
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