Genetics, genomics and breeding of groundnut (Arachis hypogaea L.)

Desmae, H and Janila, P and Okori, P and Pandey, M K and Motagi, B N and Monyo, E and Mponda, O and Okello, D and Sako, D and Echeckwu, C and Oteng-Frimpong, R and Miningou, A and Ojiewo, C O and Varshney, R K and Morris, B (2019) Genetics, genomics and breeding of groundnut (Arachis hypogaea L.). Plant Breeding (TSI). pp. 1-20. ISSN 01799541

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Groundnut is an important food and oil crop in the semiarid tropics, contributing to household food consumption and cash income. In Asia and Africa, yields are low attributed to various production constraints. This review paper highlights advances in genetics, genomics and breeding to improve the productivity of groundnut. Genetic studies concerning inheritance, genetic variability and heritability, combining ability and trait correlations have provided a better understanding of the crop's genetics to develop appropriate breeding strategies for target traits. Several improved lines and sources of variability have been identified or developed for various economically important traits through conventional breeding. Significant advances have also been made in groundnut genomics including genome sequencing, marker development and genetic and trait mapping. These advances have led to a better understanding of the groundnut genome, discovery of genes/variants for traits of interest and integration of marker‐assisted breeding for selected traits. The integration of genomic tools into the breeding process accompanied with increased precision of yield trialing and phenotyping will increase the efficiency and enhance the genetic gain for release of improved groundnut varieties.

Item Type: Article
Divisions: Research Program : Asia
Research Program : East & Southern Africa
Research Program : Genetic Gains
Research Program : West & Central Africa
Uncontrolled Keywords: breeding, genetic maps, genetics, genomics, groundnut, molecular markers, QTL, groundnut varieties, crop improvement, genetics, marker‐assisted breeding, genomic tools, phenotyping
Subjects: Others > Crop Improvement
Others > Plant Genetics
Others > Plant Breeding
Mandate crops > Groundnut
Others > Genetics and Genomics
Others > Legume Crops
Depositing User: Mr Ramesh K
Date Deposited: 03 Dec 2018 09:49
Last Modified: 14 Feb 2020 05:02
Official URL:
Funders: Bill and Melinda Gates Foundation
Acknowledgement: The authors are thankful to Bill & Melinda Gates Foundation (BMGF) for the financial support under TL III project: Opportunity/Contract ID OPP1114827. The BMGF financial support has significantly contributed to groundnut research and development globally and in Asia and Africa particularly, through tropical legume (TL) projects.
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