耐盐与低铬积累青稞品种的筛选及其生长响应特征

doi:10.19586/j.2095-2341.2026.0073

生物技术进展 ›› 2026, Vol. 16 ›› Issue (4): 926-933.DOI: 10.19586/j.2095-2341.2026.0073

耐盐与低铬积累青稞品种的筛选及其生长响应特征

张鑫萍¹^,²(), 米玛¹(), 潘崇双¹, 李路¹, 刘青海¹(), 邱城¹, 吴斌¹^,²()

^1.西藏自治区农牧科学院农业质量标准与检测研究所，西藏自治区农产品质量安全重点实验室，拉萨 850032
^2.成都理工大学生态环境学院，成都 610059

收稿日期:2026-03-23 接受日期:2026-04-27 出版日期:2026-07-25 发布日期:2026-09-11
通信作者: 刘青海,吴斌
作者简介:张鑫萍 E-mail: z19583592405@163.com
米玛 E-mail: 1328840235@qq.com第一联系人：本文共同第一作者。
基金资助:
西藏自治区重点研发项目(XZ202401YD0001);西藏自治区重点研发项目(XZ202402ZY0027);大麦青稞产业技术体系专项(CARS-05);西藏自治区现代农业产业技术体系项目(XZARS-QK-2026-01)

Screening of Salt-tolerant, Low-Cr-accumulating Hulless Barley Varieties and Their Growth Response Characteristics

Xinping ZHANG¹^,²(), Ma MI¹(), Chongshuang PAN¹, Lu LI¹, Qinghai LIU¹(), Cheng QIU¹, Bin WU¹^,²()

^1.Key Laboratory of Agricultural Product Quality and Safety of Xizang Autonomous Region，Institute of Quality Standards and Testing Technology，Xizang Academy of Agricultural and Animal Husbandry Sciences，Lhasa 850032，China
^2.College of Ecology and Environment，Chengdu University of Technology，Chengdu 610059，China

Received:2026-03-23 Accepted:2026-04-27 Online:2026-07-25 Published:2026-09-11
Contact: Qinghai LIU,Bin WU

摘要/Abstract

摘要：

为满足西藏耕地盐渍化加剧与铬（chromium，Cr）环境风险叠加背景下青稞安全生产与品种选择的需求，以8个青稞品种为研究对象，在NaCl胁迫下测定发芽率、发芽指数、活力指数及早期幼苗生长指标，以此筛选出5个品种开展Cr胁迫复筛，测定根与地上部生物量以及Cr含量，并计算生物富集系数与转运系数。结果表明，NaCl胁迫显著抑制了青稞萌发与幼苗生长，且随盐浓度升高抑制加剧，200 mmol·L^-1 NaCl条件下品种差异最为明显。综合指标确定藏青148、藏青320、藏青2000、山青9号和喜拉19为Cr试验优选耐盐品种。Cr胁迫下5个品种生物量总体随浓度升高而降低，Cr在根部显著富集且转运系数均小于1；其中山青9号地上部Cr含量、生物富集系数与转运系数最低，确定为耐盐Cr低积累优势品种。研究结果可为盐渍化和铬复合风险情景下青稞品种选择提供数据支撑。

关键词: 青稞, 盐胁迫, 铬胁迫, 耐盐, 低积累

Abstract:

To address the need for safe hulless barley production and varietal selection in Xizang under the combined pressures of escalating soil salinization and chromium （Cr） environmental risk， this study evaluated eight barley varieties. Under NaCl stress conditions， germination rate， germination index， vigor index and early seedling growth parameters were measured. Based on these results， five varieties were selected for subsequent screening under Cr stress， where root and shoot biomass， Cr content， bioconcentration factor （BCF）， and translocation factor （TF） were determined. The results indicated that NaCl stress significantly inhibited barley germination and seedling growth， with the inhibitory effect intensifying as salt concentration increased. The varietal differences were most pronounced under 200 mmol·L^-1 NaCl. Comprehensive analysis identified Zangqing 148， Zangqing 320， Zangqing 2000， Shanqing 9， and Xila 19 as salt-tolerant varieties suitable for further Cr stress testing. Under Cr stress， the biomass of the five varieties generally decreased with increasing concentration. Cr was significantly enriched in the roots， with all TFs being less than 1. Among the varieties， Shanqing 9 exhibited the lowest Cr content in shoots， as well as the lowest BCF and TF， establishing it as a superior salt-tolerant and low-Cr-accumulating variety. This study provides data support for selecting barley varieties suited to environments with combined salinization and chromium contamination risks.

Key words: hulless barley, salt stress, chromium stress, salt tolerance, low accumulation

中图分类号:

Q945

张鑫萍, 米玛, 潘崇双, 李路, 刘青海, 邱城, 吴斌. 耐盐与低铬积累青稞品种的筛选及其生长响应特征[J]. 生物技术进展, 2026, 16(4): 926-933.

Xinping ZHANG, Ma MI, Chongshuang PAN, Lu LI, Qinghai LIU, Cheng QIU, Bin WU. Screening of Salt-tolerant, Low-Cr-accumulating Hulless Barley Varieties and Their Growth Response Characteristics[J]. Current Biotechnology, 2026, 16(4): 926-933.

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链接本文: https://swjsjz.magtechjournal.com/CN/10.19586/j.2095-2341.2026.0073

https://swjsjz.magtechjournal.com/CN/Y2026/V16/I4/926

图/表 6

参考文献 21

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青稞品种	0 mmol·L^-1	50 mmol·L^-1	100 mmol·L^-1	200 mmol·L^-1
藏青16	96.67±1.15 a	76.00±5.29 b	60.67±4.16 c	22.67±6.11 d
藏青17	95.33±2.31 a	72.67±3.06 b	54.67±5.77 c	26.67±4.71 d
藏青148	97.33±3.06 a	92.00±4.00 b	79.33±6.11 c	35.33±4.16 d
藏青320	98.67±2.31 a	95.33±3.06 b	87.33±4.62 c	45.33±3.06 d
藏青2000	96.00±3.46 a	89.33±5.03 b	74.67±6.43 c	40.00±2.00 d
藏青3000	93.33±1.15 a	66.00±5.29 b	47.33±5.03 c	19.33±6.43 d
山青9号	98.00±2.00 a	84.00±5.29 b	71.33±4.16 c	44.00±2.00 d
喜拉19	97.33±1.15 a	80.00±6.00 b	70.00±4.00 c	39.33±4.16 d

青稞品种	0 mmol·L^-1	50 mmol·L^-1	100 mmol·L^-1	200 mmol·L^-1
藏青16	96.67±1.15 a	76.00±5.29 b	60.67±4.16 c	22.67±6.11 d
藏青17	95.33±2.31 a	72.67±3.06 b	54.67±5.77 c	26.67±4.71 d
藏青148	97.33±3.06 a	92.00±4.00 b	79.33±6.11 c	35.33±4.16 d
藏青320	98.67±2.31 a	95.33±3.06 b	87.33±4.62 c	45.33±3.06 d
藏青2000	96.00±3.46 a	89.33±5.03 b	74.67±6.43 c	40.00±2.00 d
藏青3000	93.33±1.15 a	66.00±5.29 b	47.33±5.03 c	19.33±6.43 d
山青9号	98.00±2.00 a	84.00±5.29 b	71.33±4.16 c	44.00±2.00 d
喜拉19	97.33±1.15 a	80.00±6.00 b	70.00±4.00 c	39.33±4.16 d

青稞品种	0 mmol·L^-1	50 mmol·L^-1	100 mmol·L^-1	200 mmol·L^-1
藏青16	27.55±0.34 a	19.38±1.35 b	13.65±0.94 c	4.42±1.09 d
藏青17	27.17±0.48 a	18.53±0.78 b	12.30±1.30 c	5.20±0.81 d
藏青148	27.74±0.87 a	23.46±1.02 b	17.85±1.37 c	6.89±0.87 d
藏青320	28.12±0.63 a	24.31±0.72 b	19.65±1.04 c	8.84±0.60 d
藏青2000	27.36±0.91 a	22.78±1.23 b	16.80±1.45 c	7.80±0.39 d
藏青3000	26.60±0.36 a	16.83±1.35 b	10.65±1.13 c	3.77±1.25 d
山青9号	27.93±0.57 a	21.42±1.65 b	16.05±0.94 c	8.58±0.39 d
喜拉19	27.74±0.63 a	20.40±1.53 b	15.75±0.90 c	7.67±0.83 d

青稞品种	0 mmol·L^-1	50 mmol·L^-1	100 mmol·L^-1	200 mmol·L^-1
藏青16	27.55±0.34 a	19.38±1.35 b	13.65±0.94 c	4.42±1.09 d
藏青17	27.17±0.48 a	18.53±0.78 b	12.30±1.30 c	5.20±0.81 d
藏青148	27.74±0.87 a	23.46±1.02 b	17.85±1.37 c	6.89±0.87 d
藏青320	28.12±0.63 a	24.31±0.72 b	19.65±1.04 c	8.84±0.60 d
藏青2000	27.36±0.91 a	22.78±1.23 b	16.80±1.45 c	7.80±0.39 d
藏青3000	26.60±0.36 a	16.83±1.35 b	10.65±1.13 c	3.77±1.25 d
山青9号	27.93±0.57 a	21.42±1.65 b	16.05±0.94 c	8.58±0.39 d
喜拉19	27.74±0.63 a	20.40±1.53 b	15.75±0.90 c	7.67±0.83 d

青稞品种	0 mmol·L^-1	50 mmol·L^-1	100 mmol·L^-1	200 mmol·L^-1
藏青16	231.42±12.99 a	153.88±17.14 b	43.27±9.36 c	5.17±4.01 d
藏青17	223.61±24.50 a	142.13±12.46 b	36.41±9.43 c	4.26±4.11 d
藏青148	236.62±14.05 a	187.68±19.40 b	64.08±8.52 c	11.58±4.71 d
藏青320	244.36±13.79 a	200.07±14.62 b	94.52±12.45 c	32.18±5.90 d
藏青2000	228.73±14.71 a	183.83±16.16 b	75.10±11.01 c	23.63±5.36 d
藏青3000	209.61±14.64 a	119.83±14.82 b	27.69±8.31 c	5.13±2.95 d
山青9号	231.82±12.91 a	168.58±17.68 b	56.98±10.50 c	23.51±2.87 d
喜拉19	226.64±12.74 a	159.32±16.11 b	67.88±11.24 c	23.55±5.13 d

耐盐与低铬积累青稞品种的筛选及其生长响应特征

Screening of Salt-tolerant, Low-Cr-accumulating Hulless Barley Varieties and Their Growth Response Characteristics

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Metrics

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品种	盐浓度/（mmol·L^-1）	根长/cm	芽长/cm	鲜重/mg	干重/mg	含水量/%
藏青16	0	8.40±0.46	8.77±1.06	213.00±11.09	23.90±1.44	88.80±0.79
	50	7.94±0.69	7.50±0.90	178.60±10.82	20.30±2.01	88.61±0.89
	100	3.17±0.65	2.63±0.45	53.60±1.47	6.90±0.26	87.16±1.11
	200	1.17±0.86	0.93±0.07	24.20±1.06	3.40±0.28	85.79±0.68
藏青17	0	8.23±0.89	7.81±1.18	209.50±10.13	23.70±1.56	88.66±0.99
	50	7.67±0.59	6.87±0.28	161.40±10.14	20.80±1.52	87.10±0.72
	100	2.96±0.70	2.49±0.27	51.60±3.18	6.70±0.41	87.05±0.49
	200	0.82±0.78	0.67±0.06	21.50±1.09	2.80±0.23	86.76±1.27
藏青148	0	8.53±0.43	8.32±0.57	207.00±7.32	22.50±0.97	89.12±1.22
	50	8.00±0.75	7.33±0.76	182.80±15.53	21.80±1.63	88.09±1.03
	100	3.59±0.39	2.91±0.23	63.70±3.05	8.30±0.55	86.97±0.72
	200	1.68±0.65	1.21±0.15	29.40±1.63	4.10±0.42	85.95±1.06
藏青320	0	8.69±0.45	8.62±0.84	214.40±11.61	25.50±2.16	88.10±0.76
	50	8.23±0.55	7.61±0.53	183.80±11.53	21.00±1.67	88.58±0.71
	100	4.81±0.58	4.01±0.42	82.40±3.82	10.60±0.80	87.12±1.11
	200	3.64±0.62	2.92±0.17	43.80±2.46	6.10±0.33	86.17±1.29
藏青2000	0	8.36±0.46	8.26±0.65	210.50±10.84	23.00±1.34	89.07±0.98
	50	8.07±0.56	7.37±0.69	184.80±12.93	21.10±1.43	88.58±0.92
	100	4.47±0.53	3.58±0.34	76.30±4.52	10.00±0.77	86.89±0.92
	200	3.03±0.67	2.42±0.20	39.50±2.34	5.60±0.42	85.75±1.09
藏青3000	0	7.88±0.54	7.57±0.84	192.6±9.67	22.30±1.61	88.44±1.15
	50	7.12±0.67	6.16±0.54	150.00±9.63	18.20±1.32	87.88±0.75
	100	2.60±0.73	2.18±0.31	46.60±3.07	6.10±0.43	86.84±0.91
	200	1.36±0.64	0.90±0.09	25.00±1.55	3.60±0.34	85.59±0.92
山青9号	0	8.30±0.43	8.24±0.73	212.30±9.07	23.50±1.46	88.93±0.94
	50	7.87±0.56	7.18±0.53	179.10±11.33	21.20±1.64	88.18±0.88
	100	3.55±0.62	2.90±0.37	62.50±3.16	8.20±0.61	86.87±0.73
	200	2.74±0.31	2.06±0.15	35.50±2.03	5.10±0.47	85.67±0.84
喜拉19	0	8.17±0.42	8.12±0.63	207.70±10.48	22.50±1.29	89.19±0.91
	50	7.81±0.53	7.14±0.52	176.70±11.59	20.90±1.40	88.19±0.87
	100	4.31±0.67	3.44±0.46	72.80±4.22	9.70±0.83	86.66±0.99
	200	3.07±0.58	2.39±0.19	39.80±2.15	5.70±0.43	85.64±0.90

青稞品种	铬浓度/(mg·L^-1)	鲜重/g		干重/g		含水量/%
青稞品种	铬浓度/(mg·L^-1)	根	地上部	根	地上部	根	地上部
藏青148	0	0.214±0.04	0.404±0.08	0.023±0.004	0.047±0.009	89.15±2.74	88.34±3.20
	10	0.060±0.02	0.090±0.04	0.007±0.002	0.010±0.005	88.16±5.12	88.69±7.43
	50	0.062±0.02	0.027±0.01	0.009±0.003	0.008±0.003	86.28±6.73	72.14±5.62
藏青320	0	0.289±0.08	0.332±0.05	0.031±0.009	0.042±0.006	89.31±4.30	87.26±2.63
	10	0.064±0.01	0.062±0.02	0.012±0.002	0.015±0.005	80.71±4.28	76.24±11.22
	50	0.033±0.01	0.024±0.01	0.006±0.002	0.007±0.003	80.50±8.19	70.75±7.43
藏青2000	0	0.082±0.03	0.147±0.08	0.009±0.003	0.019±0.010	89.31±5.43	86.97±9.79
	10	0.075±0.01	0.073±0.01	0.008±0.001	0.012±0.002	88.98±1.95	84.25±3.55
	50	0.042±0.01	0.032±0.01	0.006±0.001	0.012±0.004	86.59±4.15	63.73±7.13
山青9号	0	0.125±0.07	0.217±0.08	0.013±0.007	0.031±0.012	89.63±8.08	85.58±7.64
	10	0.085±0.03	0.059±0.07	0.010±0.003	0.013±0.006	88.59±5.45	78.72±8.06
	50	0.069±0.02	0.038±0.05	0.008±0.002	0.010±0.004	88.72±4.44	73.11±7.89
喜拉19	0	0.133±0.04	0.214±0.06	0.017±0.005	0.029±0.008	87.32±5.38	86.49±5.33
	10	0.043±0.01	0.038±0.01	0.008±0.002	0.008±0.002	82.02±6.35	77.68±7.64
	50	0.045±0.01	0.034±0.01	0.009±0.002	0.012±0.004	80.05±6.29	64.57±5.69

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