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dc.contributor.authorChanakan Prom-u-thaien_US
dc.contributor.authorAbdul Rashiden_US
dc.contributor.authorHari Ramen_US
dc.contributor.authorChunqin Zouen_US
dc.contributor.authorLuiz Roberto Guimaraes Guilhermeen_US
dc.contributor.authorAna Paula Branco Corguinhaen_US
dc.contributor.authorShiwei Guoen_US
dc.contributor.authorCharanjeet Kauren_US
dc.contributor.authorAsif Naeemen_US
dc.contributor.authorSupapohn Yamuangmornen_US
dc.contributor.authorMuhammad Yasin Ashrafen_US
dc.contributor.authorVirinder Singh Sohuen_US
dc.contributor.authorYueqiang Zhangen_US
dc.contributor.authorFábio Aurélio Dias Martinsen_US
dc.contributor.authorSuchada Jumrusen_US
dc.contributor.authorYusuf Tutusen_US
dc.contributor.authorMustafa Atilla Yazicien_US
dc.contributor.authorIsmail Cakmaken_US
dc.description.abstract© Copyright © 2020 Prom-u-thai, Rashid, Ram, Zou, Guilherme, Corguinha, Guo, Kaur, Naeem, Yamuangmorn, Ashraf, Sohu, Zhang, Martins, Jumrus, Tutus, Yazici and Cakmak. Widespread malnutrition of zinc (Zn), iodine (I), iron (Fe) and selenium (Se), known as hidden hunger, represents a predominant cause of several health complications in human populations where rice (Oryza sativa L.) is the major staple food. Therefore, increasing concentrations of these micronutrients in rice grain represents a sustainable solution to hidden hunger. This study aimed at enhancing concentration of Zn, I, Fe and Se in rice grains by agronomic biofortification. We evaluated effects of foliar application of Zn, I, Fe and Se on grain yield and grain concentration of these micronutrients in rice grown at 21 field sites during 2015 to 2017 in Brazil, China, India, Pakistan and Thailand. Experimental treatments were: (i) local control (LC); (ii) foliar Zn; (iii) foliar I; and (iv) foliar micronutrient cocktail (i.e., Zn + I + Fe + Se). Foliar-applied Zn, I, Fe or Se did not affect rice grain yield. However, brown rice Zn increased with foliar Zn and micronutrient cocktail treatments at all except three field sites. On average, brown rice Zn increased from 21.4 mg kg–1 to 28.1 mg kg–1 with the application of Zn alone and to 26.8 mg kg–1 with the micronutrient cocktail solution. Brown rice I showed particular enhancements and increased from 11 μg kg–1 to 204 μg kg–1 with the application of I alone and to 181 μg kg–1 with the cocktail. Grain Se also responded very positively to foliar spray of micronutrients and increased from 95 to 380 μg kg–1. By contrast, grain Fe was increased by the same cocktail spray at only two sites. There was no relationship between soil extractable concentrations of these micronutrients with their grain concentrations. The results demonstrate that irrespective of the rice cultivars used and the diverse soil conditions existing in five major rice-producing countries, the foliar application of the micronutrient cocktail solution was highly effective in increasing grain Zn, I and Se. Adoption of this agronomic practice in the target countries would contribute significantly to the daily micronutrient intake and alleviation of micronutrient malnutrition in human populations.en_US
dc.subjectAgricultural and Biological Sciencesen_US
dc.titleSimultaneous Biofortification of Rice With Zinc, Iodine, Iron and Selenium Through Foliar Treatment of a Micronutrient Cocktail in Five Countriesen_US
article.title.sourcetitleFrontiers in Plant Scienceen_US
article.volume11en_US Universityen_US Institute for Agriculture and Biology Pakistanen_US Agricultural Universityen_US Federal de Lavrasen_US Agricultural Universityen_USı Üniversitesien_US Agricultural Universityen_US Mai Universityen_US Academy of Sciencesen_US
Appears in Collections:CMUL: Journal Articles

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