不同浓度NaCl和NaHCO3胁迫对制干辣椒光合特性日变化的影响

doi:10.6048/j.issn.1001-4330.2023.01.016

新疆农业科学 ›› 2023, Vol. 60 ›› Issue (1): 140-149.DOI: 10.6048/j.issn.1001-4330.2023.01.016

不同浓度NaCl和NaHCO₃胁迫对制干辣椒光合特性日变化的影响

肖中林(), 闫会转(), 高杰, 王思逸, 张旭旭, 艾力西热·尼加提

新疆农业大学林学与园艺学院 /新疆特色园艺作物种质资源与高效生产实验室,乌鲁木齐 830052

收稿日期:2022-05-15 出版日期:2023-01-20 发布日期:2023-03-07
通信作者: 闫会转(1985-),女,河南人,副教授,博士,博士生导师,研究方向为蔬菜分子育种,(E-mail)hzhyan1118@163.com
作者简介:肖中林(1997-),男,四川巴中人,硕士研究生,研究方向为蔬菜栽培与生理,(E-mail)8027523@qq.com
基金资助:
国家重点研发计划“绿洲农业生态区露地蔬菜化肥农药减施技术模式建立与示范”(2018YFD0201205-3);新疆维吾尔自治区园艺学重点学科基金(2016-10758-3);新疆农业大学2021年度校级大学生创新项目

Effects of Different Concentrations of NaCl and NaHCO₃ Stress on Diurnal Changes of Photosynthetic Characteristics of Dried Pepper

XIAO Zhonglin(), YAN Huizhuan(), GAO Jie, WANG Siyi, ZHANG Xuxu, Ailixire Nijiati

Laboratory of Germplasm Resources and High-efficient Production of Characteristic Horticultural Crops in Xinjiang / College of Forestry and Horticulture, Xinjiang Agricultural University, Urumqi 830052, China

Received:2022-05-15 Online:2023-01-20 Published:2023-03-07
Correspondence author: YAN Huizhuan (1985-), female, native place: Henan, Doctor, lecturer,research field: vegetable molecular breeding, (E-mail)hzhyan1118@163.com
Supported by:
National Key R&D Program Project "Establishment and Demonstration of Technology Model for Degrading Vegetable Fertilizer and Pesticide in Open Field Vegetables in Oasis Agro-ecological Zone"(2018YFD0201205-3);Key Discipline Fund of Horticulture Science of Xinjiang Uygur Autonomous Region(2016-10758-3);Xinjiang Agricultural University Student Innovation Program(2021)

摘要/Abstract

摘要：

【目的】研究不同浓度NaCl和NaHCO₃溶液对2种制干辣椒品种红椒王和川椒19号光合特性的影响。【方法】以红椒王和川椒19号为试材,以NaCl和NaHCO₃溶液浓度为变量,采用盆栽定量浇灌,测定现蕾时辣椒叶片的净光合速率、蒸腾速率、气孔导度和胞间 CO₂浓度,利用相关性分析、线性回归分析2种制干辣椒品种光合特性日变化规律。【结果】在栽培基质中分别浇灌50、100、150和200 mmol/L NaCl和NaHCO₃溶液后,辣椒叶片受到了NaCl和NaHCO₃胁迫而出现了净光合速率、蒸腾速率、气孔导度和胞间CO₂浓度降低的变化现象。在200 mmol/L NaCl处理下红椒王日平均净光合速率最低为13.79 μmol/(m²·s),川椒19号在200 mmol/L NaHCO₃处理下日平均净光合速率最低为16.85 μmol/(m²·s)。【结论】NaCl和NaHCO₃胁迫对红椒王和川椒19号2种制干辣椒品种的光合特性产生了抑制影响。

关键词: 制干辣椒; NaCl胁迫; NaHCO₃胁迫; 光合作用; 日变化

Abstract:

【Objective】 To study the effects of different concentrations of NaCl and NaHCO₃ on the photosynthetic characteristics of two dried pepper varieties Hongjiaowang and Chuanjiao 19. 【Methods】 Hongjiaowang and Chuanjiao 19 were used as test materials, NaCl and NaHCO₃ solution concentrations as variables, the net photosynthetic rate, transpiration rate, stomatal conductance and intercellular CO₂ concentration of pepper leaves at flowering stage were measured by pot irrigation.Correlation analysis and linear regression analysis were used to explore the diurnal variation of photosynthetic characteristics of two dried pepper varieties. 【Results】 Under NaCl and NaHCO₃ stress, the net photosynthetic rate, transpiration rate, stomatal conductance and intercellular CO₂ concentration of pepper leaves were decreased after 50, 100, 150 and 200 mmol/L NaCl and NaHCO₃ were irrigated in the culture substrate, respectively.Under 200 mmol/L Nacl treatment, the lowest daily average net photosynthetic rate of Hongjiaowang was 13.79 μmol/(m²·s), and that of Chuanjiao 19 was 16.85 μmol/(m²·s) under 200 mmol/L NaHCO₃ treatment. 【Conclusion】 NaCl and NaHCO₃ stress inhibit the photosynthetic characteristics of two dried pepper varieties Hongjiaowang and Chuanjiao 19.

Key words: dried pepper; NaCl stress; NaHCO₃ stress; photosynthesis; daily variation

中图分类号:

S641.3

肖中林, 闫会转, 高杰, 王思逸, 张旭旭, 艾力西热·尼加提. 不同浓度NaCl和NaHCO₃胁迫对制干辣椒光合特性日变化的影响[J]. 新疆农业科学, 2023, 60(1): 140-149.

XIAO Zhonglin, YAN Huizhuan, GAO Jie, WANG Siyi, ZHANG Xuxu, Ailixire Nijiati. Effects of Different Concentrations of NaCl and NaHCO₃ Stress on Diurnal Changes of Photosynthetic Characteristics of Dried Pepper[J]. Xinjiang Agricultural Sciences, 2023, 60(1): 140-149.

图/表 7

表1 不同浓度浇灌溶液处理设置

Table 1 Treatment settings of different concentrations of watering solution

项目 Item	Ca(NO₃)₂·4H₂O (mg/L)	KNO₃ (mg/L)	NH₄H₂PO₄ (mg/L)	MgSO₄·7H₂O (mg/L)	NaCl (mmol/L)	NaHCO₃ (mmol/L)
CK₁	945.00	809.00	153.00	493.00	0.00	0.00
CK₂	945.00	809.00	153.00	493.00	0.00	0.00
T₁	945.00	809.00	153.00	493.00	50.00	0.00
T₂	945.00	809.00	153.00	493.00	100.00	0.00
T₃	945.00	809.00	153.00	493.00	150.00	0.00
T₄	945.00	809.00	153.00	493.00	200.00	0.00
R₁	945.00	809.00	153.00	493.00	0.00	50.00
R₂	945.00	809.00	153.00	493.00	0.00	100.00
R₃	945.00	809.00	153.00	493.00	0.00	150.00
R₄	945.00	809.00	153.00	493.00	0.00	200.00

图1 叶片光合特性Pn日变化曲线注:A:NaCl胁迫红椒王Pn日变化曲线;B:NaHCO3胁迫红椒王Pn日变化曲线;C:NaCl胁迫川椒19号Pn日变化曲线;D:NaHCO3胁迫川椒19号Pn日变化曲线

Fig.1 Diurnal variation of net photosynthetic rate(Pn) Note: A: demonstrates the diurnal variation curve of Pn of Hongjiao Wang under NaCl stress; B: demonstrates the diurnal variation curve of Pn under NaHCO3 stress.C: demonstrates the diurnal variation curve of Pn of Chuanjiao 19 under NaCl stress; D: demonstrates the diurnal variation curve of Pn under NaHCO3 stress

图2 叶片蒸腾速率Tr日变化曲线注:A:NaCl胁迫红椒王Tr日变化曲线;B:NaHCO3胁迫红椒王Tr日变化曲线;C:NaCl胁迫川椒19号Tr日变化曲线;D:NaHCO3胁迫川椒19号Tr日变化曲线

Fig.2 Diurnal variation of transpiration rate Tr Note: A:demonstrates the diurnal variation curve of Tr of Hongjiao Wang under NaCl stress; B: demonstrates the diurnal Tr variation curve of Hongjiao Wang under NaHCO3 stress.C: demonstrates the diurnal variation curve of Tr of Chuanjiao 19 under NaCl stress; D: demonstrates the diurnal variation curve of Tr of Chuanjiao 19 under NaHCO3 stress

图3 叶片气孔导度Gs日变化曲线注:A:NaCl胁迫红椒王Gs日变化曲线;B:NaHCO3胁迫红椒王日变化曲线;C:NaCl胁迫川椒19号Gs日变化曲线;D:NaHCO3胁迫川椒19号Gs日变化曲线。

Fig.3 Diurnal variation of stomatal conductance Gs Note: A: demonstrates the diurnal variation curve of Gs of Hongjiao Wang under NaCl stress;B: demonstrates the diurnal Gs variation curve of Hongjiao Wang under NaHCO3 stress.C: demonstrates the diurnal Gs variation curve of Chuanjiao 19 under NaCl stress; D: demonstrates the daily Gs variation curve of Chuanjiao 19 under NaHCO3 stress.

图4 叶片胞间CO2浓度Ci日变化曲线注:A:NaCl胁迫红椒王Ci日变化曲线;B:NaHCO3胁迫红椒王Ci日变化曲线;C:NaCl胁迫川椒19号Ci日变化曲线;D:NaHCO3胁迫川椒19号Ci日变化曲线

Fig.4 Diurnal variation of intercellular CO2 concentration Ci Note: A: demonstrates the diurnal Ci variation curve of Hongjiao Wang under NaCl stress; FIG.B demonstrates the diurnal Ci variation curve of Hongjiao Wang under NaHCO3 stress.C: demonstrates the diurnal Ci curve of Chuanjiao 19 under NaCl stress; D: demonstrates the diurnal Ci variation curve of Chuanjiao 19 under NaHCO3 stress

表2 不同浓度NaCl和NaHCO3胁迫制干辣椒与各光合特性参数相关性

Tab.2 Correlation analysis between different concentrations of NaCl and NaHCO3 stress and photosynthetic characteristics parameters of dried pepper

处理 Treatment	皮尔逊相关系数 Pearson correlation coefficient	净光合速率 Pn	蒸腾速率 Tr	气孔导度 Gs	胞间CO₂浓度 Ci
红椒王NaCl Hongjiao Wang NaCl stres	相关性	-0.563^**	-0.581^**	-0.666^**	-0.536^**
	Sig.(双尾)	0.001	0.001	0.000	0.002
	个案数	30	30	30	30
红椒王NaHCO₃ Hongjiao Wang NaHCO₃ stress	相关性	-0.575^**	-0.653^**	-0.762^**	-0.712^**
	Sig.(双尾)	0.001	0.000	0.000	0.000
	个案数	30	30	30	30
川椒19号NaCl Chuanjiao 19 NaCl stress	相关性	-0.327	-0.599^**	-0.612^**	-0.527^**
	Sig.(双尾)	0.078	0.000	0.000	0.003
	个案数	30	30	30	30
川椒19号NaHCO₃ Chuanjiao 19 NaHCO₃ stress	相关性	-0.399^*	-0.298	-0.168	-0.401^*
	Sig.(双尾)	0.029	0.109	0.375	0.028
	个案数	30	30	30	30

图5 不同浓度NaCl和NaHCO3胁迫胁迫下制干辣椒日平均净光合速率变化注:A:NaCl胁迫红椒王回归方程;B:NaHCO3胁迫红椒王回归方程;C:NaCl胁迫川椒19号回归方程;D:NaHCO3胁迫川椒19号回归方程

Fig.5 Effects of different concentrations of NaCl and NaHCO3 stress on the average daily net photosynthetic rate of dried pepper Note: A: demonstrates the regression equation of Hongjiao Wang under NaCl stress; FIG.B demonstrates the regression equation of Hongjiao Wang under NaHCO3 stress.C: demonstrates the regression equation of Chuanjiao 19 under NaCl stress; D: demonstrates the regression equation of Chuanjiao 19 under NaHCO3 stress

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不同浓度NaCl和NaHCO₃胁迫对制干辣椒光合特性日变化的影响

Effects of Different Concentrations of NaCl and NaHCO₃ Stress on Diurnal Changes of Photosynthetic Characteristics of Dried Pepper

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