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N A Kozub, I A Sozinov, A K Niniyeva

Tsitologiia I Genetika

|November 28, 2018

Summary

This summary is machine-generated.

Dark glume color in spelt wheat (Triticum spelta) is controlled by a single gene. This gene, located at the Rg-A1 locus, is linked to the Gli-A1j* allele, identified using gliadin markers.

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Area of Science:

Plant Genetics
Agricultural Science
Molecular Biology

Background:

Glume color is a significant trait in cereal crops, influencing plant identification and potentially other agronomic characteristics.
Understanding the genetic basis of glume color is crucial for breeding programs and crop improvement.

Purpose of the Study:

To investigate the genetic control of dark glume color in Triticum spelta L. var. caeruleum accessions.
To identify genetic markers linked to the dark glume trait.

Main Methods:

Cross-breeding experiments involving Triticum spelta var. caeruleum and common wheat varieties with white glumes.
Segregation analysis of glume color in F2 and BC1 generations.
Electrophoretical analysis of gliadin proteins in seeds to identify linked genetic markers.

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Main Results:

Segregation analysis indicated monogenic control of glume color in the studied spelt accessions.
Electrophoretic analysis revealed that the Gli-A1j* allele is linked to the dark glume trait at the Rg-A1 locus.

Conclusions:

The dark glume color in Triticum spelta var. caeruleum is controlled by a single gene.
The Gli-A1j* allele, identified through gliadin profiling, is closely linked to the gene responsible for dark glumes at the Rg-A1 locus, providing a valuable marker for genetic studies and breeding.