不同红芽芋地方品种新鲜子芋自然富集元素能力的鉴定与评价  

Identification and evaluation of natural enrichment elements ability of fresh cormels from local varieties of red bud taro[Colocasia esculenta(L.)Schott]

作　　者：陈涵 肖敏 程建峰[1] 邓文峰 邓锦明 胡润雨 黄英金[1] CHEN Han;XIAO Min;CHENG Jianfeng;DENG Wenfeng;DENG Jinming;HU Runyu;HUANG Yingjin(College of Agronomy,Jiangxi Agricultural University,Nanchang 330045,China;Bureau of Agriculture and Rural Affairs of Wan’an County,Ji’an City,Jiangxi Province,Ji’an,Jiangxi 343899,China)

机构地区：[1]江西农业大学农学院,江西南昌330045 [2]江西省吉安市万安县农业农村局,江西吉安343899

出　　处：《江西农业大学学报》2024年第4期867-883,共17页Acta Agriculturae Universitatis Jiangxiensis

基　　金：江西省农业关键核心技术攻关专项(JXNK202309);江西省现代农业产业技术体系专项(JXARS-19)。

摘　　要：【目的】红芽芋为典型的多子芋类型,品质风味居芋类之首,是老幼皆宜和药食兼优的滋补佳品。阐明红芽芋子芋自然富集元素能力的基因型间差异,筛选出高富集有益元素且低富集有害元素的地方品种,为高产优质营养安全红芽芋地方品种的遗传改良和品种选择提供理论依据及实践指导。【方法】以21个在不同原产地广泛种植的红芽芋地方品种为材料,统一种植在同一块大田,采用电感耦合等离子体质谱法分析其新鲜子芋中有益元素[镁(Mg)、铁(Fe)、锌(Zn)、硒(Se)]和有害元素[镉(Cd)、铬(Cr)、铅(Pb)、汞(Hg)和砷(As)]的含量及累积量,并利用模糊隶属函数法、熵权优劣解距离法和模糊综合评判法对其自然富集元素能力进行综合鉴定与评价。【结果】不同红芽芋地方品种的新鲜子芋产量存在巨大差异,最高的HY09(浙江嘉兴)为最低的HY10(云南昆明)的4.5倍。不同红芽芋地方品种新鲜子芋自然富集元素能力(含量及累积量)存在明显差异,无论是同一红芽芋地方品种新鲜子芋的不同有益和有害元素含量及累积量间还是不同红芽芋地方品种新鲜子芋的同一有益和有害元素含量及累积量间均存在显著或极显著差异。有益元素中,以镁含量及累积量最高,其次为铁和锌,硒极低;但品种间的锌含量及累积量的差异最大,铁和硒次之,镁差异最小。有害元素中,以镉含量及累积量最高,汞最低,铬的品种间差异最大,砷的品种间差异最小。红芽芋地方品种对Cd的富集能力较强,对Mg的富集中等,对其他元素的富集能力极小。红芽芋新鲜子芋中的Se与Fe、Cr、Hg和As,Fe与Zn、Cr、Hg和As,Zn与Cr、Hg和As,Mg与Cd,Cr与As和Hg及Hg与As间的含量及累积量间均呈极显著正相关。【结论】综合分析显示,不同红芽芋新鲜子芋天然富集元素能力的可分为高、中和低三类,高富集能力的品种是HY14(湖南永州),中等富集�[Objective]Red bud taro is a typical multi-seed taro type.and its quality and flavor rank first in taro varieties.It is nourishing for both young and old people and excellent as both medicine and food.Clarifying the genotypical differences in the natural enrichment ability of red bud taro and screening out the local varieties with high enrichment of beneficial elements and low enrichment of harmful elements will provide the theoretical basis and practical guidance for the genetic improvement and the variety choice with high-yield,high-quality,good nutrition and safety.[Method]21 local varieties of red bud taro widely planted in different areas were used as the experimental materials and planted in the same field.The contents and accumulation amounts of beneficial elements including iron(Fe),zinc(Zn),selenium(Se),magnesium(Mg),and harmful elements including cadmium(Cd),chromium(Cr),lead(Pb),mercury(Hg)and arsenic(As)in their fresh cormels were analyzed by inductively coupled plasma mass spectrometry(ICP-MS),and their natural enrichment abilities were comprehensively identified and evaluated by fuzzy membership function method,entropy weight technique for order preference by similarity to ideal solution(EW-TOPSIS)and fuzzy comprehensive evaluation method.[Result]The results showed that there were high differences in the fresh cormels yield of red-bud taro local varieties,the yield of HY09(Jiaxing,Zhejiang)was 4.5 times as that of HY10(Kunming,Yunnan).The natural enrichment ability(content and accumulation amount)of fresh cormels in local varieties was significantly different.There were significant or extremely significant differences in the contents and accumulation amounts of different beneficial and harmful elements in either the fresh cormels of the same local variety or the same beneficial and harmful elements in the fresh cormels of different local varieties.Among the beneficial elements,the content and accumulation amount of Mg were the highest,followed by Fe and Zn,and those of Se were extremely low.The diff

关 键 词：红芽芋 富集 元素 基因型差异 鉴定与评价 

分 类 号：S632.3[农业科学—蔬菜学]