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Cd毒性对根形态,超结构,Cd吸收和小麦在与Solanum nigrum L交叉作物的积累的影响

Li Wang¹, Rong Zou², Jinghang Cai³

¹Institute of Soil and Fertilizer, Guizhou Academy of Agricultural Sciences, Guiyang 550006, China.

|June 19, 2023

概括

用 Solanum nigrum L. 插入小麦,显著降低了小麦根中的 (Cd) 吸收和毒性. 这种植物修复策略为缓解农业土壤重金属污染提供了一个有希望的方法.

科学领域:

环境科学环境科学
农业学是一种农业学.
植物生理学植物生理学

背景情况:

农业土壤中的 (Cd) 污染对作物健康和食品安全构成重大威胁.
像Solanum nigrum L.这样的高蓄积体显示出重金属的物理修复潜力.
了解杂交作物对植物金属吸收的影响,对于开发可持续农业实践至关重要.

研究的目的:

评估Solanum nigrum L.与小麦交叉种植对小麦中的吸收和积累的影响.
评估Solanum nigrum L.对小麦根中的诱导毒性的保护作用.

主要方法:

在单一种植和与Solanum nigrum L.交叉种植条件下,小麦在Hoagland溶液中生长,Cd度为4个 (0,20,40,60μmol L-1).
分析了根的形态,量化了小麦中的含量和积累.
传输电子显微镜 (TEM) 用于检查小麦根尖的细胞损伤.

主要成果:

暴露减少了小麦根的长度,面积和体积.
间作物显著降低了小麦根中的Cd含量 (28.3-47.2%) 和积累 (10.08-32.43%).
与单一栽培小麦相比,TEM揭示了交叉作物小麦的根尖中的Cd诱导的细胞损伤减少.

结论:

插作 Solanum nigrum L. 有效地减轻小麦根中的毒性.
这种交叉作物系统减少了小麦芽和根的吸收和积累.
使用超蓄积器进行交叉作物种植是对被污染的土壤进行植物修复的可行策略.

关键词:

积累的积累的.插入作物插入作物根生长参数根生长参数根尖细胞超结构根尖细胞超结构

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