相关实验视频

Updated: Jul 6, 2025

Hydroponics: A Versatile System to Study Nutrient Allocation and Plant Responses to Nutrient Availability and Exposure to Toxic Elements

Hydroponics: A Versatile System to Study Nutrient Allocation and Plant Responses to Nutrient Availability and Exposure to Toxic Elements

Published on: July 13, 2016

在压力下种植的米品种的不同反应

Sundas Sana¹, Musarrat Ramzan², Samina Ejaz³

¹Department of Botany, Faculty of Chemical and Biological Sciences, The Islamia University of Bahawalpur, Bahawalpur, 63100, Pakistan.

BMC plant biology

|January 2, 2024

概括

土壤中的 (Cd) 污染会对的生长和生物化学物质产生负面影响. 然而,Desi和G-916的品种表现出对压力的自然耐受性,这表明它们有大规模种植的潜力.

科学领域:

环境科学环境科学
植物科学植物科学
毒理学毒理学毒理学

背景情况:

重金属 (Cd) 是一种普遍存在的土壤污染物,源于农业实践和工业活动.
毒性对农业生产率构成重大风险,影响作物的产量和质量.
了解植物对Cd压力的反应对于制定减轻其有害影响的策略至关重要.

研究的目的:

调查不同 (Cd) 度对七种*Capsicum annuum* L.品种生长和生化属性的影响.
为了确定耐受性或易受Cd毒性的胡品种.
评估特定品种在Cd污染土壤中大规模种植的潜力.

主要方法:

七种*Capsicum annuum* L.品种被暴露在四种不同的Cd度 (0,3,4和5毫克Cd每公斤-1土壤).
测量了生长参数,可溶糖总量,蛋白质总量,氨基酸,胡卜素,黄素和抗氧化酶活动 (POD,SOD,CAT,APX).
进行了对不同品种Cd效应的比较分析.

主要成果:

在大多数品种中,增加Cd度显著减少了的生长,可溶糖,蛋白质和氨基酸.
抗氧化酶活动通常随着Cd水平的上升而增加,这表明植物的应激反应.
在Cd压力下,胡卜素和黄素水平下降,品种之间存在显著差异. 德西和G-916品种表现出更高的耐受性,而BR-763和BG-912更容易受到影响.

结论:

与其他测试品种相比,Desi和G-916米品种对毒性有显著的耐受性.
这些耐受品种在受污染影响的地区具有种植潜力,提供了自然缓解策略.
对这些品种中Cd耐受性的生理机制的进一步研究可能会增强农业的弹性.

关键词:

氨基酸是氨基酸的组成部分.抗氧化剂抗氧化剂是一种抗氧化剂.是的组成部分.年 (Capsicum annuum) L 年 (Capsicum annuum) L 年黄类化合物黄类化合物总的蛋白质总量蛋白质总量总的可溶糖总量是可以溶解的糖.

更多相关视频

Analysis of Effect of Compound Salt Stress on Seed Germination and Salt Tolerance Analysis of Pepper Capsicum annuum L.

Analysis of Effect of Compound Salt Stress on Seed Germination and Salt Tolerance Analysis of Pepper Capsicum annuum L.

Published on: November 30, 2022

Measuring Spatial and Temporal Ca2+ Signals in Arabidopsis Plants

Measuring Spatial and Temporal Ca2+ Signals in Arabidopsis Plants

Published on: September 2, 2014

相关概念视频

Responses to Heat and Cold Stress

Responses to Heat and Cold Stress

Every organism has an optimum temperature range within which healthy growth and physiological functioning can occur. At the ends of this range, there will be a minimum and maximum temperature that interrupt biological processes.

Responses to Salt Stress

Responses to Salt Stress

Salt stress—which can be triggered by high salt concentrations in a plant’s environment—can significantly affect plant growth and crop production by influencing photosynthesis and the absorption of water and nutrients.

Adaptations that Reduce Water Loss

Adaptations that Reduce Water Loss

Though evaporation from plant leaves drives transpiration, it also results in loss of water. Because water is critical for photosynthetic reactions and other cellular processes, evolutionary pressures on plants in different environments have driven the acquisition of adaptations that reduce water loss.