Pearl Millet Germplasm Resources Conservation Status and Their Utilization in Crop Improvement

Vetriventhan, M and Kumar, Vinod and Dagunapur, N R and Srinivas, R and Jagadeesh, K and Kanchanapally, A and Peerzada, O and Elangovan, M and Singh, K (2024) Pearl Millet Germplasm Resources Conservation Status and Their Utilization in Crop Improvement. In: The Pearl Millet Genome. Compendium of Plant Genomes, 1 (1). Springer Nature, Switzerland AG, pp. 15-29. ISBN 978-3-031-56975-3

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Abstract

Genetic resources are key to unlocking untapped potential in terms of increased productivity, improved nutrition, and enhanced climate resilience to ensure food security and nutrition. The conservation of pearl millet crop wild relatives in their natural habitats and the on-farm conservation of landraces serve as in situ strategies, while ex situ conservation, primarily through seedbanks, is the most common method. Currently, over 73,000 pearl millet accessions are conserved across 57 genebanks worldwide. Among them, the ICRISAT genebank conserves the largest collection, with 25,537 accessions originating from 52 countries. Despite the significant number of pearl millet collections held in various genebanks, taxonomical and gap analyses revealed potential gaps in the collection to enrich the pearl millet gene pool. Extensive efforts have been made to maximize the use of germplasm, resulting in the development of core and mini-core collections, and the evaluation of pearl millet genetic resources led to the identification of trait-specific sources of yield, nutrients, and biotic and abiotic stresses. By employing appropriate strategies to harness the potential of pearl millet genetic resources, novel diversity can be leveraged to breed climate-resilient and nutrient-dense cultivars that contribute to sustainable agricultural productivity and improved nutrition. This chapter provides a comprehensive overview of the conservation status of pearl millet germplasm and outlines the characterization efforts undertaken to facilitate their utilization in crop improvement and trait discovery.

Item Type: Book Section
Divisions: Genebank
CRP: UNSPECIFIED
Series Name: Compendium of Plant Genomes
Uncontrolled Keywords: germplasm, genetic resources, crop improvement, pearl millet
Subjects: Others > Crop Improvement
Mandate crops > Millets > Pearl Millet
Others > Germplasm
Depositing User: Mr Nagaraju T
Date Deposited: 22 Jan 2025 06:03
Last Modified: 22 Jan 2025 06:03
URI: http://oar.icrisat.org/id/eprint/12922
Acknowledgement: UNSPECIFIED
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