Introgression of 1RSWR.1BL translocation, Bx7OE and stripe rust resistance genes in bread wheat cultivars
The composition of seed storage proteins determines the suitability of bread wheat cultivar for different end-use products. high-molecular-weight glutenin subunits are the major determinants of the processing quality of bread wheat flour. The spontaneous translocation of the 1RS arm of Secale cereal...
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Veröffentlicht in: | Cereal research communications 2024-09, Vol.52 (3), p.1107-1118 |
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Sprache: | eng |
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Zusammenfassung: | The composition of seed storage proteins determines the suitability of bread wheat cultivar for different end-use products. high-molecular-weight glutenin subunits are the major determinants of the processing quality of bread wheat flour. The spontaneous translocation of the 1RS arm of
Secale cereale
L. in bread wheat is associated with higher grain yield and abiotic stress tolerance, but it leads to deterioration in the end-use quality due to the presence of rye storage secalin protein encoded by
Sec-1
locus. The 1RS
WR
.1BL recombinant line W1635 without
Sec-1,
over-expressed
Glu1-
Bx7 (
Bx7
OE
) and two stripe rust resistance genes
Yr5
and
Yr17
were used as the donor for marker-assisted breeding in the bread wheat cultivars UP2338 and HS240 with 1RS.1BL translocation. A strong positive correlation was found between the micro-SDS sedimentation test (MST) values and
Bx7
OE
in the derivatives along with
Glu-D1
(5 + 10) indicating the efficacy of
Bx7
OE
in improving the end-use quality. In addition to this, the introgression of
Yr5
and
Yr17
genes led to stripe rust resistance in the derivatives for their stable and environment friendly production. |
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ISSN: | 0133-3720 1788-9170 |
DOI: | 10.1007/s42976-023-00444-9 |