硅锌叶面肥对芹菜镉积累和营养品质的影响

doi:10.3969/j.issn.1004-1524.20240117

浙江农业学报 ›› 2025, Vol. 37 ›› Issue (1): 61-66.DOI: 10.3969/j.issn.1004-1524.20240117

硅锌叶面肥对芹菜镉积累和营养品质的影响

王芸¹(), 俞朝², 沈泓¹, 曹米娜¹, 周其耀³, 胡智鹏³, 金崇伟³, 冯英³^,^*()

1.东阳市种植业技术推广中心(东阳市植保植检站),浙江东阳 322100
2.嵊州市畜牧业发展中心,浙江嵊州 312400
3.浙江大学环境与资源学院,污染环境修复与生态健康教育部重点实验室,浙江杭州 310058

收稿日期:2024-01-31 出版日期:2025-01-25 发布日期:2025-02-14
作者简介:王芸(1986—),女,浙江东阳人,学士,农艺师,主要从事农业技术推广工作。E-mail: wangyun0579@163.com
通讯作者: *冯英,E-mail: yfeng@zju.edu.cn
基金资助:
浙江省“尖兵”研发攻关计划(2023C02002);国家重点研发计划(2023YFD1902905)

Effects of foliar silicon and zinc fertilizers on cadmium accumulation and nutritional quality of celery

WANG Yun¹(), YU Chao², SHEN Hong¹, CAO Mina¹, ZHOU Qiyao³, HU Zhipeng³, JIN Chongwei³, FENG Ying³^,^*()

1. Planting Technology Extension Center of Dongyang (Plant Protection and Inspection Station of Dongyang City), Dongyang 322100, Zhejiang, China
2. Livestock Industrial Development Center of Shengzhou, Shengzhou 312400, Zhejiang, China
3. Key Laboratory of Environment Remediation and Ecological Health, Ministry of Education, College of Environmental & Resource Sciences, Zhejiang University, Hangzhou 310058, China

Received:2024-01-31 Online:2025-01-25 Published:2025-02-14

摘要/Abstract

摘要：

叶面喷施硅(Si)、锌(Zn)等微量元素肥料是阻控作物吸收积累重金属的重要技术手段,然而Si、Zn叶面肥在茎叶类蔬菜上的作用效果尚不清楚。本研究通过田间小区试验,以镉(Cd)低积累芹菜为材料,比较了叶面喷施ZnSO₄(Zn)、纳米硅肥(Nano-Si)、硅锌复合肥(Si-Zn)对芹菜可食部镉积累和营养品质的影响。结果发现,叶面喷施Si、Zn对植株生长无显著影响,但可显著(P<0.05)降低芹菜地上部的Cd含量和Cd从根系到地上部的转运系数,提高茎叶可溶性蛋白、可溶性糖和维生素C的含量。各处理相比,Nano-Si的效果最佳。这说明,在Cd污染设施菜地上,叶面喷施纳米硅肥是保障芹菜安全生产和实现提质增效的有效技术措施。

关键词: 茎叶类蔬菜, 土壤重金属污染, 纳米肥, 食品安全

Abstract:

Foliar spraying of trace element fertilizers such as silicon (Si) and zinc (Zn) is an important technical approach to inhibit the absorption and accumulation of heavy metals in crops. However, the effects of foliar Si or Zn fertilizers on stem and leaf vegetables are still unclear. Therefore, in this study, by using a cadmium (Cd) low accumulation variety of celery as the test material, a plot experiment was conducted to compare the effects of foliar spraying of ZnSO₄ (Zn), nano silicon fertilizer (Nano-Si), and compound fertilizer of silicon and zinc (Si-Zn) on Cd accumulation and nutritional quality of the edible parts of celery. The results showed that foliar spraying of Si or Zn had no significant effects on plant growth, but it could significantly (P<0.05) reduce the Cd concentration in aboveground parts and the translocation factor of Cd from root to shoot, increase the concentration of soluble protein, soluble sugar, and vitamin C in the editble parts. Among the three foliar fertilizers, Nano-Si had the best effects. These results indicated that foliar spraying of Nano-Si is an effective strategy to ensure the safe production and improve the quality of celery in Cd polluted greenhouse.

Key words: stem and leaf vegetable, soil heavy metal pollution, nano fertilizer, food safety

中图分类号:

王芸, 俞朝, 沈泓, 曹米娜, 周其耀, 胡智鹏, 金崇伟, 冯英. 硅锌叶面肥对芹菜镉积累和营养品质的影响[J]. 浙江农业学报, 2025, 37(1): 61-66.

WANG Yun, YU Chao, SHEN Hong, CAO Mina, ZHOU Qiyao, HU Zhipeng, JIN Chongwei, FENG Ying. Effects of foliar silicon and zinc fertilizers on cadmium accumulation and nutritional quality of celery[J]. Acta Agriculturae Zhejiangensis, 2025, 37(1): 61-66.

图/表 4

表1 不同处理对芹菜地上部干重、叶绿素含量,及土壤pH值和Cd含量的影响

Table 1 Effects of treatments on the dry weight of aboveground parts and leaf chlorophyll content of celery, and soil pH value and Cd concentration

处理 Treatment	地上部干重 Dry weight of aboveground parts/g	叶绿素含量 Chlorophyll content/(mg·g^-1)	土壤pH值 Soil pH vlue	土壤Cd含量 Soil Cd content/(mg·kg^-1)
CK	0.82±0.06	1.55±0.13	5.58±0.04	0.78±0.03
Zn	0.81±0.04	1.62±0.08	5.55±0.04	0.74±0.02
Nano-Si	0.82±0.01	1.69±0.12	5.56±0.05	0.71±0.03
Zn-Si	0.81±0.02	1.57±0.03	5.53±0.07	0.73±0.02

图1 不同处理对芹菜地上部Cd含量的影响柱上无相同字母的表示处理间差异显著(P<0.05)。下同。

Fig.1 Effects of treatments on Cd concentration in aboveground parts Bars marked without the same letters indicate significant difference at P<0.05. The same as below.

图2 不同处理对Cd转运系数(TF)和富集系数(BCF)的影响

Fig.2 Effects of treatments on Cd translocation factor (TF) and bio-concentration factor (BCF)

表2 不同处理对芹菜营养品质的影响

Table 2 Effects of treatments on nutritional quality of celery

处理 Treatment	可溶性蛋白含量 Soluble protein content/(mg·kg^-1)	可溶性糖含量 Soluble sugar content/%	纤维素含量 Cellulose content/%	维生素C含量 Vitamin C content/(mg·kg^-1)
CK	494±12.b	3.48±0.04 b	1.48±0.02 a	0.54±0.01 b
Zn	513±13 ab	3.63±0.02 a	1.49±0.02 a	0.55±0.01 b
Nano-Si	536±7 a	3.68±0.04 a	1.44±0.01 a	0.60±0.01 a
Zn-Si	510±6 ab	3.60±0.04 ab	1.48±0.01 a	0.57±0.01 ab

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硅锌叶面肥对芹菜镉积累和营养品质的影响

Effects of foliar silicon and zinc fertilizers on cadmium accumulation and nutritional quality of celery

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