Show simple item record

dc.contributorKavi Kishor, Polavarapu B.en_US
dc.contributorJunichi, Kashiwagien_US
dc.contributorSingh, Sarvjeeten_US
dc.contributorKrishnamurty, Lakshmananen_US
dc.creatorUpadhyaya, Hari D.en_US
dc.identifier.citationHari D. Upadhyaya, Polavarapu B. Kavi Kishor, Kashiwagi Junichi, Sarvjeet Singh, Lakshmanan Krishnamurty. (27/12/2015). Assessing Genetic Variability for Root Traits and Identification of Trait-Specific Germplasm in Chickpea Reference Set. Crop Science, 55, pp. 1-12.en_US
dc.description.abstractChickpea (Cicer arietinum L.) is a major grain legume cultivated largely on residual soil moisture in the arid and semiarid regions of the world. Terminal drought stress is one of the major causes of yield loss, and a deep root system has been recognized as one of the most important traits for enhancing drought adaptability. To diversify the current genetic base of root traits, the present study explored the variation for root traits in the reference set of chickpea (n = 300) germplasm. Genetic variability for root traits at 35 d after sowing was assessed using a polyvinyl chloride (PVC) cylinder culture system in two postrainy seasons. Largest genetic variability was observed for dry weights of shoot (broad-sense heritability [h2] = 0.69–0.74) and root (h2 = 0.52–0.70). For root-length density (h2 = 0.42–0.43) and root/total-plant dry-weight ratio (h2 = 0.32–0.54), h2 values were moderate but the variation was large, indicating scope for selection. The performance of the reference set accessions was identified for each of key traits. Accessions with the best root-length densities along with root and shoot dry weights were found to originate from the Mediterranean region and western Asia emphasizing the importance of whole collection from these regions for superior root traits. This study identified 23 new accessions for widening the parental base in further drought tolerance breeding efforts and identified superior traits in already adapted genetic backgrounds.en_US
dc.publisherCrop Science Society of Americaen_US
dc.sourceCrop Science;55,(2015) Pagination 1-12en_US
dc.titleAssessing Genetic Variability for Root Traits and Identification of Trait-Specific Germplasm in Chickpea Reference Seten_US
dc.typeJournal Articleen_US
cg.subject.agrovocplant genetic resourcesen_US
cg.contributor.centerInternational Crops Research Institute for the Semi-Arid Tropics - ICRISATen_US
cg.contributor.centerPunjab Agricultural University - PAUen_US
cg.contributor.centerHokkaido University - OIAen_US
cg.contributor.centerOsmania Universityen_US
cg.contributor.crpCGIAR Research Program on Grain Legumes - GLen_US
cg.contributor.funderNot Applicableen_US
cg.contributor.project-lead-instituteInternational Center for Agricultural Research in the Dry Areas - ICARDAen_US
cg.isijournalISI Journalen_US
dc.identifier.statusLimited accessen_US
cg.journalCrop Scienceen_US

Files in this item


There are no files associated with this item.

This item appears in the following Collection(s)

Show simple item record

DSpace software copyright © 2002-2016  DuraSpace
MELSpace content providers and partners accept no liability to any consequence resulting from use of the content or data made available in this repository. Users of this content assume full responsibility for compliance with all relevant national or international regulations and legislation.
Theme by 
Atmire NV