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dc.contributorRehman, Sajiden_US
dc.contributorVaish, Shyamen_US
dc.contributorSingh, Pradeepen_US
dc.contributorGyawali, Sanjayaen_US
dc.contributorAl-Abdallat, Ayeden_US
dc.contributorVerma, Ramesh Pal Singhen_US
dc.creatorVisioni, Andreaen_US
dc.identifier.citationAndrea Visioni, Sajid Rehman, Shyam Vaish, Pradeep Singh, Sanjaya Gyawali, Ayed Al-Abdallat, Ramesh Pal Singh Verma. (10/1/2019). Genome Wide Association Study of Spot Blotch at Seedling and Adult Plant stages in Morocco and India.en_US
dc.description.abstractBarley spot blotch caused by Cochliobolus sativus (Bipolaris sorokiniana) is one of the major constrains to barley production worldwide in warmer regions. This study was undertaken to identify and estimate effects of loci underlying quantitative resistance to spot blotch at seedling and adult plant stages. A panel of 261 barley genotypes (HI-AM) consisting of released cultivars from North and South America, Europe, Australia, advanced breeding lines, and landraces from ICARDA, was screened for resistance to spot blotch. Seedling resistance screening was conducted using two most virulent isolates from Morocco (ICSB and SB54), while adult plant resistance was assessed at two hot spot locations (Faizabad and Varanasi) in India under artificial inoculation using a mixture of prevalent isolates. Both GLM and MLM model were employed in Tassel using principal component analysis and Kinship Matrix as covariates. Genome wide association mapping indicated a total of 23 QTL at seedling stage (14 for isolate ICSB and 9 for isolate SB54), while 15 QTL were detected for adult plant resistance (6 at Faizabad and 9 at Varanasi). Common QTL at seedling and adult plant stages were found across all barley chromosomes. QTL detected explained together the 73.24% of the variance for seedling resistance to isolate ICSB and 49.26% for isolate SB54. QTL for adult plant resistance explained together 38.32% and 44.09% at Faizabad and Varanasi, respectively. Several QTL identified in this study were also reported before in bi-parental and association mapping populations studies supporting our results. The promising QTL detected at both stages, once validated, can be used for MAS in spot blotch resistance breeding program globally.en_US
dc.subjectspot blotchen_US
dc.subjectadult planten_US
dc.titleGenome Wide Association Study of Spot Blotch at Seedling and Adult Plant stages in Morocco and Indiaen_US
cg.creator.idVisioni, Andrea: 0000-0002-0586-4532en_US
cg.creator.idVerma, Ramesh Pal Singh: 0000-0002-2621-2015en_US
cg.contributor.centerInternational Center for Agricultural Research in the Dry Areas - ICARDAen_US
cg.contributor.centerGlobal Crop Diversity Trust - GCDTen_US
cg.contributor.centerBanaras Hindu Universityen_US
cg.contributor.centerInternational Maize and Wheat Improvement Center - CIMMYTen_US
cg.contributor.centerWashington State University - WSUen_US
cg.contributor.centerUniversity of Jordan, Faculty of Agriculture - JU - Agricultureen_US
cg.contributor.funderArab Fund for Economic and Social Development - AFESDen_US
cg.contributor.projectSustainability and Operation of the Regional Research Centers in a Number of Arab Countries (Phase II)en_US
cg.contributor.project-lead-instituteInternational Center for Agricultural Research in the Dry Areas - ICARDAen_US
cg.coverage.regionSouthern Asiaen_US
cg.coverage.regionNorthern Africaen_US
dc.identifier.statusOpen accessen_US

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