Scientific Publication

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

author(s) Chunqin Zou - Yunfei Du - Rashid, A - Ram, H - Savasli, E - Pieterse, P.J - Ortiz-Monasterio, I - Yazici, A - Kaur, C - Mahmood, K - Singh, S - Le Roux, M.R - Kuang, W - Onder, O - Kalayci, M - Cakmak, I
from International Maize and Wheat Improvement Center (CIMMYT)
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themes
regions
  • Western Asia
  • Asia
  • World
  • Southern Africa
  • Sub-Saharan Africa
  • Africa
  • Southern Asia
  • Central America
  • Latin America and the Caribbean
  • Americas
  • Eastern Asia
citation

Chunqin Zou et al., 'Simultaneous biofortification of wheat with zinc, iodine, selenium, and iron through foliar treatment of a micronutrient cocktail in six countries', Journal of Agricultural and Food Chemistry, vol. 67(29), pp. 8096-8106, American Chemical Society (ACS), 2019

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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

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