野生中国沙棘种子萌发期耐盐性及盐胁迫下对外源钙的响应

侯冬花

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野生中国沙棘种子萌发期耐盐性及盐胁迫下对外源钙的响应

生理生化·植物保护专栏 | 更新时间：2026-01-12

- 野生中国沙棘种子萌发期耐盐性及盐胁迫下对外源钙的响应
- Salt Tolerance of Wild Hippophae rhamnoides subsp. sinensis Rousi Seeds During Germination and Response to Exogenous Calcium under Salt Stress
- 新疆大学学报（自然科学版汉文、维吾尔文） 2025年40卷第1期页码：26-37
- 作者机构：
  
  吕梁学院生物与食品工程系,山西,吕梁,033001
- 作者简介：
  
  [ "侯冬花（1980―），女，硕士，讲师，从事植物逆境生理生态的研究，E-mail：497041495@qq.com" ]
- 基金信息：
  
  山西省吕梁市重点研发项目（2024NY08）
- DOI：
  中图分类号： S793.6
- 收稿：2025-07-02，
  
  纸质出版：2025
- 稿件说明：
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侯冬花．野生中国沙棘种子萌发期耐盐性及盐胁迫下对外源钙的响应[J]．新疆大学学报（自然科学版汉文、维吾尔文），2025，40(1)：26-37．

HOU Donghua．Salt tolerance of wild Hippophae rhamnoides subsp. sinensis Rousi seeds during germination and response to exogenous calcium under salt stress[J]．Journal of Xinjiang University(Natural Science Edition in Chinese and Uyghur)，2025，40(1)：26-37．
侯冬花．野生中国沙棘种子萌发期耐盐性及盐胁迫下对外源钙的响应[J]．新疆大学学报（自然科学版汉文、维吾尔文），2025，40(1)：26-37． DOI：

HOU Donghua．Salt tolerance of wild Hippophae rhamnoides subsp. sinensis Rousi seeds during germination and response to exogenous calcium under salt stress[J]．Journal of Xinjiang University(Natural Science Edition in Chinese and Uyghur)，2025，40(1)：26-37． DOI：

摘要

为探究野生中国沙棘种子萌发期耐盐性及其盐胁迫下对外源钙的响应，以2种野生中国沙棘种子（交1和交2）为试验材料，对其进行5个浓度水平（30、60、90、120、150 mmol/L）的NaCl盐胁迫处理，以蒸馏水处理作为对照组（CK），比较2种野生中国沙棘种子耐盐性．结果表明：与对照组相比，交1种子的发芽率、发芽势、发芽指数均随NaCl浓度的增加呈显著降低趋势（P<0.05）；交2种子在30、60 mmol/L NaCl处理组的发芽指数高于对照组（P>0.05），发芽率显著高于对照组（P<0.05）．2种野生中国沙棘种子在90 mmol/L NaCl胁迫时，萌发期各项指标均较对照显著下降（P<0.05）；NaCl处理浓度高于90 mmol/L时，发芽起始天数较对照组推迟1 d．将交1、交2种子置于0.2%、0.3%、0.4%、0.5%（w/v）CaCl2溶液中浸种24 h，以蒸馏水浸种24 h作为对照组，随后在90 mmol/L NaCl胁迫处理下进行萌发试验，发现外源CaCl2可不同程度缓解盐胁迫对交1、交2种子萌发的影响，其中0.4% CaCl2浸种处理对盐胁迫的缓解效果最优，发芽率、发芽势和发芽指数均显著高于对照组（P<0.05），发芽起始天数与对照组相同．综上可得，交2种子萌发期耐盐性优于交1，外源钙对2种野生中国沙棘种子萌发期的盐胁迫均有所缓解．

Abstract

To explore the salt tolerance of wild Hippophae rhamnoides subsp. sinensis Rousi seeds during germination and their response to exogenous calcium under salt stress

two types of wild Hippophae rhamnoides subsp. sinensis Rousi seeds (Jiao 1 and Jiao 2) are used as experimental materials. Firstly

the seeds are subjected to NaCl salt stress treatments at five concentration levels (30

120

150 mmol/L)

with distilled water treatment as the control (CK)

to compare the salt tolerance of the two types of wild Hippophae rhamnoides subsp. sinensis Rousi seeds. The results show that

compared with the control group

the germination rate

germination energy

and germination index of Jiao 1 seeds are showed a significant decreasing trend with the increase of NaCl concentration (P<0.05). For Jiao 2 seeds

the germination index in the 30 and 60 mmol/L NaCl treatment groups is higher than that in the control group (P>0.05)

and the germination rate is significantly higher than that in the control group (P<0.05). When the two types of wild Hippophae rhamnoides subsp. sinensis Rousi seeds are under 90 mmol/L NaCl stress

all indicators during the germination period significantly decreased compared with the control (P<0.05). In the treatment groups with NaCl concentration higher than 90 mmol/L

the germination initiation days are delayed by 1 day compared with the control group. Seeds of Jiao 1 and Jiao 2 are soaked in 0.2%

0.3%

0.4%

and 0.5% (w/v) CaCl2 solutions for 24 hours

with seeds soaked in distilled water for 24 hours as the control

followed by germination tests under 90 mmol/L NaCl stress. The results show that exogenous CaCl2 could alleviate the effect of salt stress on the germination of Jiao 1 and Jiao 2 seeds to varying degrees. The soaking treatment with 0.4% CaCl2 has the best alleviating effect on salt stress

with germination rate

germination energy

and germination index significantly higher than those of the control group (P<0.05)

and the germination initiation days are the same as those of the control group. In conclusion

the salt tolerance of Jiao 2 seeds during germination is better than that of Jiao 1

and exogenous calcium can alleviate the salt stress during the germination period of the two types of wild Hippophae rhamnoides subsp. sinensis Rousi seeds.

关键词

Keywords

references

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