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Cadmium minimization in wheat: A critical review
Muhammad Rizwan1, Shafaqat Ali1, Tahir Abbas1
1Department of Environmental Sciences and Engineering, Government College University, Allama Iqbal Road, 38000 Faisalabad, Pakistan.
Ecotoxicology and Environmental Safety
|April 11, 2016
Summary
Cadmium contamination harms wheat growth and grain quality. Strategies like specific amendments, microbes, and cultivar selection can reduce cadmium uptake, improving food safety.
Area of Science:
- Agricultural Science
- Environmental Science
- Plant Physiology
Background:
- Cadmium (Cd) accumulation in wheat (Triticum aestivum L.) poses a global food chain risk.
- Understanding wheat's response to Cd stress is crucial for improving crop quality and safety.
Purpose of the Study:
- To review the toxic effects of cadmium on wheat.
- To explore wheat's tolerance mechanisms against cadmium stress.
- To summarize management strategies for reducing cadmium uptake in wheat.
Main Methods:
- Literature review of scientific studies on cadmium in wheat.
- Analysis of cadmium's toxic effects, plant responses, and adaptive strategies.
- Compilation of various agronomic and soil amendment practices.
Main Results:
- Cadmium negatively impacts wheat germination, growth, photosynthesis, and yield, causing oxidative stress and genotoxicity.
- Wheat exhibits adaptive strategies including antioxidant defense, osmoregulation, and ion homeostasis.
- Various management practices like amendments, biochar, microbes, and cultivar selection reduce cadmium uptake.
Conclusions:
- Effective management strategies can mitigate cadmium accumulation in wheat and reduce food chain transfer.
- Further research is needed to assess the long-term sustainability of these cadmium reduction methods.
