[1]代亚博,叶君,王小兵,等.不同类型盐胁迫对春小麦种子萌发及幼苗生长的影响[J].江苏农业学报,2026,42(05):887-899.[doi:doi:10.3969/j.issn.1000-4440.2026.05.003]
　DAI Yabo,YE Jun,WANG Xiaobing,et al.Impact of different types of salt stress on seed germination and seedling growth of spring wheat[J].,2026,42(05):887-899.[doi:doi:10.3969/j.issn.1000-4440.2026.05.003]
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不同类型盐胁迫对春小麦种子萌发及幼苗生长的影响()

江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
42
期数:
2026年05期
页码:
887-899
栏目:
遗传育种·生理生化
出版日期:
2026-05-31

文章信息/Info

Title:
Impact of different types of salt stress on seed germination and seedling growth of spring wheat
作者:
代亚博1; 叶君1; 2; 王小兵2; 路战远1; 2; 吴晓华2; 张海斌2; 赵轩微2; 刘娟2; 史学芬3; 赵贤4
(1.内蒙古大学生命科学学院/牧草与特色作物生物学教育部重点实验室,内蒙古呼和浩特010021；2.内蒙古自治区农牧业科学院,内蒙古呼和浩特010031；3.鄂尔多斯市农牧业科学研究院，内蒙古鄂尔多斯017000；4.巴彦淖尔市现代农牧事业发展中心,内蒙古巴彦淖尔015000)
Author(s):
DAI Yabo1; YE Jun1; 2; WANG Xiaobing2; LU Zhanyuan1; 2; WU Xiaohua2; ZHANG Haibin2; ZHAO Xuanwei2; LIU Juan2; SHI Xuefen3; ZHAO Xian4
(1.School of Life Sciences, Inner Mongolia University/Key Laboratory of Herbage & Endemic Crop Biology, Ministry of Education, Hohhot 010021, China;2.Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences, Hohhot 010031, China;3.Ordos Academy of Agricultural and Animal Husbandry Sciences, Ordos 017000, China;4.Bayannur Modern Animal Husbandry Business Development Center, Bayannur 015000, China;5.Ordos City Agriculture and Animal Husbandry Ecology and Resource Protection Center, Ordos 017000, China)
关键词:
春小麦; 盐胁迫; 种子萌发; 幼苗生长; 耐盐临界值; 极限浓度值
Keywords:
spring wheat; salt stress; seed germination; seedling growth; salt tolerance threshold; limiting concentration value
分类号:
S512.1+2
DOI:
doi:10.3969/j.issn.1000-4440.2026.05.003
文献标志码:
A
摘要:
为明确不同类型盐胁迫对春小麦种子萌发及幼苗生长的影响,本研究以内蒙古河套灌区春小麦主要栽培品种永良4号和农麦2号为试验材料,设置3种类型(中性盐、碱性盐和复合盐)不同浓度梯度盐胁迫试验,测定种子萌发特性、幼苗生长及其生物量积累情况,计算各指标的耐盐临界值和极限浓度值,评估不同品种的盐害等级并进行胁迫离子冗余分析和偏最小二乘结构方程构建与分析。结果表明,不同类型盐胁迫对2个小麦品种种子萌发与幼苗生长均产生不同程度的抑制作用,具体表现为碱性盐胁迫(Na2CO3、NaHCO3)＞复合盐胁迫(NaCl、Na2SO4、Na2CO3和NaHCO3)＞中性盐胁迫(NaCl和Na2SO4)；不同类型盐胁迫离子的效应表现为阳离子(Na+)＞碱性阴离子(CO2-3、HCO-3)＞中性阴离子(SO2-4、Cl-)。不同春小麦品种对不同类型盐胁迫的响应也不同,在中性盐胁迫和碱性盐胁迫下,农麦2号和永良4号的耐盐临界均值和极限浓度均值没有显著差异(P>0.05)；在复合盐胁迫下品种间差异显著(P＜0.05)；此外,2个品种的种子发芽性能对幼苗地上部性状的影响存在显著差异(P＜0.05)。总体来看,农麦2号小麦从种子萌发到幼苗阶段应对不同类型盐胁迫的能力较永良4号更好。上述研究结果为春小麦抗盐机理研究与耐盐新品种选育提供了重要参考。
Abstract:
To clarify the effects of different types of salt stress on seed germination and seedling growth of spring wheat, this study used two main spring wheat varieties (Yongliang 4 and Nongmai 2) cultivated in the Hetao Irrigation District of Inner Mongolia as experimental materials. Three types of salt stress (neutral salt, alkaline salt, and composite salt) were applied at different concentration gradients. Seed germination characteristics, seedling growth, and biomass accumulation were measured. The salt tolerance threshold and limiting concentration value for each index were calculated. The salt damage grades of different varieties were evaluated, and redundancy analysis of stress ions as well as the construction and analysis of a partial least squares structural equation model were performed. The results showed that different types of salt stress had varying degrees of inhibitory effects on seed germination and seedling growth of the two wheat varieties. The inhibition intensity ranked as follows: alkaline salt stress (Na2CO3, NaHCO3) > composite salt stress (NaCl, Na2SO4, Na2CO3, and NaHCO3) > neutral salt stress (NaCl and Na2SO4). The effects of different salt stress ions were ranked as: cations (Na+) > alkaline anions (CO2-3, HCO-3) > neutral anions (SO2-4, Cl-). Different spring wheat varieties also exhibited different responses to various types of salt stress. Under neutral salt stress and alkaline salt stress, there were no significant differences between Nongmai 2 and Yongliang 4 in terms of the mean values of salt tolerance threshold and limiting concentration (P>0.05). Under composite salt stress, significant differences were observed between the two varieties (P<0.05). In addition, there were significant differences in the effects of seed germination performance of the two varieties on the aboveground traits of seedlings (P<0.05). Overall, Nongmai 2 exhibited stronger tolerance to various types of salt stress than Yongliang 4 from seed germination to the seedling stage. The above findings provide an important reference for the research on the mechanism of salt tolerance in spring wheat and the selection and breeding of new salt-tolerant varieties.

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备注/Memo

备注/Memo:
收稿日期：2025-04-13基金项目：内蒙古自治区科技计划项目(2025YFDZ0059)；国家自然基金项目(32560442)；内蒙古自治区自然科学基金项目(2024MS03007)；农牧交错区耕地保育与产能提升创新人才团队项目(2025TYL09)；国家小麦产业技术体系项目(CARS-03)；内蒙古自治区科技计划项目(2025KJHZ0053、2025YFDZ0061)；内蒙古自治区“英才兴蒙”工程团队项目(2025TRL05)；内蒙古优势特色小麦育种联合攻关项目(YZ2023008)；呼伦贝尔市科技计划项目(KJTW2025002)；科研保障经费项目(2026KYBZN02)作者简介：代亚博(2000-),男,河南驻马店人,硕士研究生,研究方向为植物资源学与植物化学。(E-mail)2869330798@qq.com。叶君为共同第一作者。通讯作者：李娟,(E-mail)lijuan198644@163.com；张德健,(E-mail)zhangdejian00@163.com
更新日期/Last Update: 2026-06-17