Sharma, I and Yaksha, K and Dharani Sree, K and Belliappa, S H and Bomma, N and Pujar, M and Gangashetty, P I (2026) Harnessing Speed Breeding for Pigeonpea Improvement. In: Designing Pigeonpea Genome for a Future-Ready Crop. CRC Press, Boca Raton, pp. 235-251. ISBN 9781003603092
Full text not available from this repository. (Request a copy)Abstract
Global agriculture is exposed to tremendous challenges due to climate change, exceeding population, and fast depleting natural resources. Conventional breeding is robust and reliable but often requires 8 to 12 years for varietal development. These considerations demand the rapid development of varieties that keep up with current climate scenarios. Speed breeding has emerged as one such innovative approach where controlled environmental conditions aid in reducing the generation cycle. The photosensitive nature of pigeonpea limits the generation advancement during off-seasons, thereby extending generation time and slow pacing the genetic improvement. To overcome this temporal, constrain and to accelerate the breeding progress, establishing a speed breeding protocol tailored to pigeonpea is critical. This chapter delves into the framework, protocol, establishment, and upscaling of speed breeding facility for pigeonpea. Technical aspects such as optimization of spectral quality, photoperiod duration, sowing density, and sequential planting regimes were emphasized. The protocol strongly suggests that speed breeding has substantially reduced the generation time in different pigeonpea maturity groups. Feasibility and potential of integrating this approach with several advanced genomic tools like marker-assisted selection, genomic selection and high-throughput was discussed. The operational limitations like energy efficiency and scalability concerns of speed breeding in pigeon pea were reflected. The chapter concludes by addressing prospects of integrating this approach with several traits of future promise to reach the target markets. Additionally, investing in capacity building and sustainability measures will ensure the long-term success of speed breeding endeavors, delivering improved pigeonpea.
| Item Type: | Book Section |
|---|---|
| Divisions: | Global Research Program - Accelerated Crop Improvement |
| CRP: | UNSPECIFIED |
| Uncontrolled Keywords: | sustainability measures, speed breeding, spectral quality, photoperiod duration, sowing density, pigeonpea |
| Subjects: | Others > Sustainable Agriculture Mandate crops > Pigeonpea Others > Genetics and Genomics |
| Depositing User: | Mr Nagaraju T |
| Date Deposited: | 16 Mar 2026 04:57 |
| Last Modified: | 16 Mar 2026 04:57 |
| URI: | http://oar.icrisat.org/id/eprint/13542 |
| Acknowledgement: | UNSPECIFIED |
| Links: |
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