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Oxalic Acid/Oxalates in Plants:From Self-Defence to Phytoremediation


Affiliations
1 Division of Agronomy, ICAR-Indian Agricultural Research Institute, New Delhi 110 012, India
 

Oxalic acid and oxalates are produced and present in plants in different amounts. Insoluble calcium oxalate plays a key role in regulating calcium concentration, which is important in the functioning of guard cells. Oxalates provide tolerance to aluminium toxicity to plants growing in acid soils. Both oxalic acid and calcium oxalate provide self-defence against insect pests and grazing animals. Oxalates are involved in phytoremediation of soils rendered toxic by heavy metals, like lead, cadmium, zinc, etc.

Keywords

Aluminium Toxicity, Calcium Oxalate, Oxalic Acid, Phytoremediation.
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  • Oxalic Acid/Oxalates in Plants:From Self-Defence to Phytoremediation

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Authors

Rajendra Prasad
Division of Agronomy, ICAR-Indian Agricultural Research Institute, New Delhi 110 012, India
Yashbir Singh Shivay
Division of Agronomy, ICAR-Indian Agricultural Research Institute, New Delhi 110 012, India

Abstract


Oxalic acid and oxalates are produced and present in plants in different amounts. Insoluble calcium oxalate plays a key role in regulating calcium concentration, which is important in the functioning of guard cells. Oxalates provide tolerance to aluminium toxicity to plants growing in acid soils. Both oxalic acid and calcium oxalate provide self-defence against insect pests and grazing animals. Oxalates are involved in phytoremediation of soils rendered toxic by heavy metals, like lead, cadmium, zinc, etc.

Keywords


Aluminium Toxicity, Calcium Oxalate, Oxalic Acid, Phytoremediation.

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DOI: https://doi.org/10.18520/cs%2Fv112%2Fi08%2F1665-1667