Improved quinoa growth, physiological response, and seed nutritional quality in three soils having different stresses by the application of acidified biochar and compost

Quinoa (Chenopodium quinoa Willd.) is a traditional Andean agronomical resilient seed crop having immense significance in terms of high nutritional qualities and its tolerance against various abiotic stresses. However, finite work has been executed to evaluate the growth, physiological, chemical, bi...

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Published in:Plant physiology and biochemistry 2017-07, Vol.116, p.127-138
Main Authors: Ramzani, Pia Muhammad Adnan, Shan, Lin, Anjum, Shazia, Khan, Waqas-ud-Din, Ronggui, Hu, Iqbal, Muhammad, Virk, Zaheer Abbas, Kausar, Salma
Format: Article
Language:English
Subjects:
Acidification
Anti-nutrients
Antioxidants
Antioxidants - metabolism
Chenopodium quinoa - growth & development
Chenopodium quinoa - metabolism
Chenopodium quinoa - physiology
Essential nutrients
Quinoa
Seeds - growth & development
Seeds - metabolism
Seeds - physiology
Soil - chemistry
Soil Microbiology
Stress
Thiobacillus - metabolism
Thiobacillus thiooxidans
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Summary:Quinoa (Chenopodium quinoa Willd.) is a traditional Andean agronomical resilient seed crop having immense significance in terms of high nutritional qualities and its tolerance against various abiotic stresses. However, finite work has been executed to evaluate the growth, physiological, chemical, biochemical, antioxidant properties, and mineral nutrients bioavailability of quinoa under abiotic stresses. Depending on the consistency in the stability of pH, intended rate of S was selected from four rates (0.1, 0.2, 0.3, 0.4 and 0.5% S) for the acidification of biochar and compost in the presence of Thiobacillus thiooxidans by pH value of 4. All three soils were amended with 1% (w/w) acidified biochar (BCA) and compost (COA). Results revealed that selective plant growth, yield, physiological, chemical and biochemical improved significantly by the application of BCA in all stressed soils. Antioxidants in quinoa fresh leaves increased in the order of control > COA > BCA, while reactive oxygen species decreased in the order of control 
ISSN:0981-9428
1873-2690
DOI:10.1016/j.plaphy.2017.05.003