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Translational Pigeonpea genomics consortium for accelerating genetic gains in Pigeonpea (Cajanus cajan L.)

Saxena, R.K., Hake, A., Hingane, A.J., Kumar, C.V.S., Bohra, A., Sonnappa, M., Rathore, A., Kumar, A.V., Mishra, A., Tikle, A.N., Sudhakar, C., Rajamani, S., Patil, D.K., Singh, I.P., Singh, N.P. and Varshney, R.K.ORCID: 0000-0002-4562-9131 (2020) Translational Pigeonpea genomics consortium for accelerating genetic gains in Pigeonpea (Cajanus cajan L.). Agronomy, 10 (9). Art. 1289.

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Pigeonpea is one of the important pulse crops grown in many states of India and plays a major role in sustainable food and nutritional security for the smallholder farmers. In order to overcome the productivity barrier the Translational Pigeonpea Genomics Consortium (TPGC) was established, representing research institutes from six different states (Andhra Pradesh, Karnataka, Madhya Pradesh, Maharashtra, Telangana, and Uttar Pradesh) of India. To enhance pigeonpea productivity and production the team has been engaged in deploying modern genomics approaches in breeding and popularizing modern varieties in farmers’ fields. For instance, new genetic stock has been developed for trait mapping and molecular breeding initiated for enhancing resistance to fusarium wilt and sterility mosaic disease in 11 mega varieties of pigeonpea. In parallel, genomic segments associated with cleistogamous flower, shriveled seed, pods per plant, seeds per pod, 100 seed weight, and seed protein content have been identified. Furthermore, 100 improved lines were evaluated for yield and desirable traits in multi-location trials in different states. Furthermore, a total of 303 farmers’ participatory varietal selection (FPVS) trials have been conducted in 129 villages from 15 districts of six states with 16 released varieties/hybrids. Additionally, one line (GRG 152 or Bheema) from multi-location trials has been identified by the All India Coordinated Research Project on Pigeonpea (AICRP-Pigeonpea) and released for cultivation by the Central Variety Release Committee (CVRC). In summary, the collaborative efforts of several research groups through TPGC is accelerating genetics gains in breeding plots and is expected to deliver them to pigeonpea farmers to enhance their income and improve livelihood.

Item Type: Journal Article
Publisher: MDPI
Copyright: © 2020 The Authors.
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