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Simultaneous biofortification of wheat with zinc, iodine, selenium, and iron through foliar treatment of a micronutrient cocktail in six countries

Author: Chunqin Zou
Author: Yunfei Du
Author: Rashid, A.
Author: Ram, H.
Author: Savasli, E.
Author: Pieterse, P.J.
Author: Ortíz-Monasterios, I.
Author: Yazici, A.
Author: Kaur, C.
Author: Mahmood, K.
Author: Singh, S.
Author: Le Roux, M.R.
Author: Kuang, W.
Author: Onder, O.
Author: Kalayci, M.
Author: Cakmak, I.
Year: 2019
ISSN: 0021-8561
Abstract: Field experiments were conducted on wheat to study the effects of foliar-applied iodine(I) alone, Zn (zinc) alone, and a micronutrient cocktail solution containing I, Zn, Se (selenium), and Fe (iron) on grain yield and grain concentrations of micronutrients. Plants were grown over 2 years in China, India, Mexico, Pakistan, South Africa, and Turkey. Grain-Zn was increased from 28.6 mg kg-1 to 46.0 mg-1 kg with Zn-spray and 47.1 mg-1 kg with micronutrient cocktail spray. Foliar-applied I and micronutrient cocktail increased grain I from 24 μg kg-1 to 361 μg kg-1 and 249 μg kg-1, respectively. Micronutrient cocktail also increased grain-Se from 90 μg kg-1 to 338 μg kg-1 in all countries. Average increase in grain-Fe by micronutrient cocktail solution was about 12%. The results obtained demonstrated that foliar application of a cocktail micronutrient solution represents an effective strategy to biofortify wheat simultaneously with Zn, I, Se and partly with Fe without yield trade-off in wheat.
Format: PDF
Language: English
Publisher: American Chemical Society
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Type: Article
Place of Publication: Washington, USA
Pages: 8096-8106
Issue: 29
Volume: 67
DOI: 10.1021/acs.jafc.9b01829
Keywords: Biofortification
Keywords: Hidden Hunger
Keywords: Wheat Grain
Country of Focus: CHINA
Country of Focus: INDIA
Country of Focus: MEXICO
Country of Focus: PAKISTAN
Country of Focus: SOUTH AFRICA
Country of Focus: TURKEY
Agrovoc: IODINE
Agrovoc: IRON
Agrovoc: WHEAT
Agrovoc: GRAIN
Agrovoc: ZINC
Journal: Journal of Agricultural and Food Chemistry

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  • Sustainable Intensification
    Sustainable intensification agriculture including topics on cropping systems, agronomy, soil, mechanization, precision agriculture, etc.

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