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ICAR_IIWBR
ICAR-IIWBR
Molecular understanding of Fe and Zn
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Wheat

 

Collaborative Institutes:

 

IIWBR, PAU, CCSHAU-Hisar, UAS-D, IARI- Indore (5) 

 

Short term objectives

 

  • Evaluation of wheat germplasm including diploids, tetraploids, bread wheat and synthetic hexaploids for identification of wheat accessions with high micronutrient density and  phytase levels  and low phytic acid content in Indian conditions.
  • Development of genetic stocks in high yielding backgrounds for higher micronutrient density and phytase levels and low phytic acid content.
  • Bioavailability studies to identify nutrient rich genotypes with higher bioavailable Fe and Zn

Medium term objectives

 

  • Transferring Gpc-b1 gene into high yielding back grounds of wheat with the objective to enhance micronutrient density and higher grain protein content.
  • Molecular mapping and tagging of genes associated with higher concentration of Fe and Zn, and higher phytase levels followed by genetic studies and molecular breeding.
  • Allele mining of genes for identification of desired alleles and their utilization in  breeding

Long term objective

 

  • Development of high yielding wheat genotypes with higher content of Fe and Zn and their enhanced bioavailability for the improvement of nutritional quality 

Target traits and centres:

  

Centre Main activity
IIWBR Micronutrient evaluation, phytase gene characterization, phytate evaluation, Allele mining, breeding
PAU Molecular breeding using Gpc-B1 gene and High Fe/Zn lines
CCSHAU Breeding for high Fe and Zn
UAS-D Breeding for high Fe and Zn (Durum and Dicoccum)
IARI, Indore Breeding for high Fe and Zn and protein content

  

Target for the traits of interest 

Crop

 

Current Target*

 

Enhanced Target

 

Wheat
Iron 35 ppm 45 ppm
Zinc 30 ppm 40 ppm
Protein 12% 13%

Common study across the partners:

A common T. aestivum trial was conducted using 6 entries from IIWBR, 2 entries from CCSHAU Hisar and 5 entries from PAU, Ludhiana during 2017-18 at these centres. A common T. durum trial was conducted using 5 entries from UAS, Dharwad and 6 entries from IARI, Regional Station Indore at these centres.

 



 

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Small Millet

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