Pigeonpea improvement: An amalgam of breeding and genomic research

Sameer Kumar, C V and Ganga Rao, N V P R and Saxena, R K and Saxena, K B and Upadhyaya, H D and Siambi, M and Silim, S N and Reddy, K N and Hingane, A J and Sharma, M and Sharma, S and Lyimo, S D and Ubwe, R and Makenge, M and Gad, K and Kimurto, P K and Amane, M and Kanenga, K and Obong, Y and Monyo, E and Ojiewo, C O and Mallela Venkata, N K and Polineni Rao, J and Lakkireddy, P and Chourat, S and Singh, I and Sajja, S and Beliappa, S H and Varshney, R K (2019) Pigeonpea improvement: An amalgam of breeding and genomic research. Plant Breeding (TSI). pp. 1-10. ISSN 01799541

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In the past five decades, constant research has been directed towards yield improvement in pigeonpea resulting in the deployment of several commercially acceptable cultivars in India. Though, the genesis of hybrid technology, the biggest breakthrough, enigma of stagnant productivity still remains unsolved. To sort this productivity disparity, genomic research along with conventional breeding was successfully initiated at ICRISAT. It endowed ample genomic resource providing insight in the pigeonpea genome combating production constraints in a precise and speedy manner. The availability of the draft genome sequence with a large‐scale marker resource, oriented the research towards trait mapping for flowering time, determinacy, fertility restoration, yield attributing traits and photo‐insensitivity. Defined core and mini‐core collection, still eased the pigeonpea breeding being accessible for existing genetic diversity and developing stress resistance. Modern genomic tools like next‐generation sequencing, genome‐wide selection helping in the appraisal of selection efficiency is leading towards next‐generation breeding, an awaited milestone in pigeonpea genetic enhancement. This paper emphasizes the ongoing genetic improvement in pigeonpea with an amalgam of conventional breeding as well as genomic research.

Item Type: Article
Divisions: Research Program : Asia
Research Program : Genetic Gains
Uncontrolled Keywords: Nextgeneration breeding, genomic research, genetic diversity, pigeonpea genomic studies, pigeonpea, genomic intervention, determinacy, genome sequence, hybrid technology, mini-core collection, photo-insensitivity, pigeonpea, trait mapping
Subjects: Others > Crop Improvement
Others > Plant Breeding
Mandate crops > Pigeonpea
Others > Genetics and Genomics
Others > Legume Crops
Depositing User: Mr Ramesh K
Date Deposited: 27 Nov 2018 10:00
Last Modified: 18 Mar 2020 05:26
URI: http://oar.icrisat.org/id/eprint/10969
Official URL: http://dx.doi.org/10.1111/pbr.12656
Funders: Bill and Melinda Gates Foundation for Tropical Legumes II project and USAID project
Acknowledgement: Our sincere thanks to Bill and Melinda Gates Foundation for Tropical Legumes II project and USAID project for supporting crop improvement programme in pigeonpea in Asia and Africa.
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