低镉积累辣椒品种筛选及耐镉生理特性分析。

IF 3.4 4区 环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES
Yating Zhang, Shuhe Wei, Jibao Jia, Jie Zhan, Li Zhan, Brett H Robinson, Lidia Skuza, Jianming Xue, Huiping Dai, Lingjiang Kou, Chao Zhang, Kaimei Huang
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引用次数: 0

摘要

辣椒(Capsicum annuum L.)是一种广泛食用的调味品,它可能从环境中积累有毒元素镉(Cd),从而对人体健康构成威胁。本试验旨在筛选具有低cd吸收特性的品种,用于在cd污染的土壤中生产安全的辛辣食品。比较了5个辣椒品种在温室土壤中Cd浓度分别为0.18 mg kg-1 (CK)、2.88 mg kg-1 (T1)、7.69 mg kg-1 (T2)、16.72 mg kg-1 (T3)和33.46 mg kg-1 (T4)条件下对Cd的响应。结果表明,博风香的根、芽和果实中Cd含量最低;与对照相比,其生物量没有减少,富集因子(EF)和转运因子(TF)均小于1。值得注意的是,在土壤镉浓度为2.88 mg kg-1的情况下,博风香果实中镉含量为0.07 mg kg-1,低于“绿色食品辣椒制品”的安全标准(0.1 mg kg-1)。这表明它具有低镉积累的潜力。上述研究表明,选育低Cd积累辣椒品种是减少可食用部位Cd积累,从而保证农业食品安全的有效途径。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Screening of chili cultivars with low cadmium accumulation and analysis of their physiological properties of tolerance.

Chili (Capsicum annuum L.) is a widely eaten condiment that may accumulate the toxic element cadmium (Cd) from environments, thus presenting a human health risk. This experiment aimed to identify cultivars with low Cd-uptake characteristics that could be used to produce safe spicy food in Cd-contaminated soil. Five chili cultivars responses to Cd exposure in soils with 0.18 mg kg-1 (CK), 2.88 mg kg-1 (T1), 7.69 mg kg-1 (T2), 16.72 mg kg-1 (T3), and 33.46 mg kg-1 (T4) in a greenhouse were compared. The results showed that Cd concentration in roots, shoots, and fruits of the cultivar Bolafengxiang was the lowest. Additionally, its biomass was not reduced compared to the CK, and both the enrichment factor (EF) and translocation factor (TF) were all lower than 1. Notably, under soil Cd concentrations of 2.88 mg kg-1, the Cd content in the fruits of Bolafengxiang was 0.07 mg kg-1, which is below the safety standard limit (0.1 mg kg-1) for "Green Food Chili Products." This indicates its potential for low Cd accumulation. The above research indicates that selecting and cultivating low-Cd-accumulating chili cultivars is an effective approach to reduce Cd accumulation in edible parts, thereby ensuring agricultural food safety.

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来源期刊
International Journal of Phytoremediation
International Journal of Phytoremediation 环境科学-环境科学
CiteScore
7.60
自引率
5.40%
发文量
145
审稿时长
3.4 months
期刊介绍: The International Journal of Phytoremediation (IJP) is the first journal devoted to the publication of laboratory and field research describing the use of plant systems to solve environmental problems by enabling the remediation of soil, water, and air quality and by restoring ecosystem services in managed landscapes. Traditional phytoremediation has largely focused on soil and groundwater clean-up of hazardous contaminants. Phytotechnology expands this umbrella to include many of the natural resource management challenges we face in cities, on farms, and other landscapes more integrated with daily public activities. Wetlands that treat wastewater, rain gardens that treat stormwater, poplar tree plantings that contain pollutants, urban tree canopies that treat air pollution, and specialized plants that treat decommissioned mine sites are just a few examples of phytotechnologies.
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