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Pyramiding of genes for grain protein content, grain quality, and rust resistance in eleven Indian bread wheat cultivars: a multi-institutional effort.
- Source :
-
Molecular Breeding . Apr2022, Vol. 42 Issue 4, p1-16. 16p. - Publication Year :
- 2022
-
Abstract
- Improvement of grain protein content (GPC), loaf volume, and resistance to rusts was achieved in 11 Indian wheat cultivars that are widely grown in four different agro-climatic zones of India. This involved use of marker-assisted backcross breeding (MABB) for introgression and pyramiding of the following genes: (i) the high GPC gene Gpc-B1; (ii) HMW glutenin subunits 5 + 10 at Glu-D1 loci, and (iii) rust resistance genes, Yr36, Yr15, Lr24, and Sr24. GPC increased by 0.8 to 3.3%, although high GPC was generally associated with yield penalty. Further selection among high GPC lines allowed identification of progenies with higher GPC associated with improvement in 1000-grain weight and grain yield in the backgrounds of the following four cultivars: NI5439, UP2338, UP2382, and HUW468. The high GPC progenies (derived from NI5439) were also improved for grain quality using HMW glutenin subunits 5 + 10 at Glu-D1 loci. Similarly, progenies combining high GPC and rust resistance were obtained in the backgrounds of following five cultivars: Lok1, HD2967, PBW550, PBW621, and DBW1. The improved pre-bred lines developed following multi-institutional effort should prove a valuable source for the development of cultivars with improved nutritional quality and rust resistance in the ongoing wheat breeding programmes. [ABSTRACT FROM AUTHOR]
- Subjects :
- *WHEAT breeding
*PYRAMIDS
*GENES
*GRAIN yields
*CULTIVARS
*BREAD
*RUST diseases
*WHEAT
Subjects
Details
- Language :
- English
- ISSN :
- 13803743
- Volume :
- 42
- Issue :
- 4
- Database :
- Academic Search Index
- Journal :
- Molecular Breeding
- Publication Type :
- Academic Journal
- Accession number :
- 156644407
- Full Text :
- https://doi.org/10.1007/s11032-022-01277-w