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dc.contributorBurgueño, Juan A.en_US
dc.contributorJeffers, Danielen_US
dc.contributorRodriguez-Chanona, Enriqueen_US
dc.contributorGuadarrama, Armandoen_US
dc.contributorKehel, Zakariaen_US
dc.contributorChepetla, Danielen_US
dc.contributorShrestha, Rosemaryen_US
dc.contributorSwarts, Kellyen_US
dc.contributorBuckler, Edward S.en_US
dc.contributorHearne, Sarahen_US
dc.contributorCharles, Chenen_US
dc.creatorWillcox, Martha C.en_US
dc.identifier.citationMartha C. Willcox, Juan A. Burgueño, Daniel Jeffers, Enrique Rodriguez-Chanona, Armando Guadarrama, Zakaria Kehel, Daniel Chepetla, Rosemary Shrestha, Kelly Swarts, Edward S. Buckler, Sarah Hearne, Chen Charles. (2/8/2022). Mining alleles for tar spot complex resistance from CIMMYT's maize Germplasm Bank. Frontiers in Sustainable Food Systems.en_US
dc.description.abstractThe tar spot complex (TSC) is a devastating disease of maize (Zea mays L.), occurring in 17 countries throughout Central, South, and North America and the Caribbean, and can cause grain yield losses of up to 80%. As yield losses from the disease continue to intensify in Central America, Phyllachora maydis, one of the causal pathogens of TSC, was first detected in the United States in 2015, and in 2020 in Ontario, Canada. Both the distribution and yield losses due to TSC are increasing, and there is a critical need to identify the genetic resources for TSC resistance. The Seeds of Discovery Initiative at CIMMYT has sought to combine next-generation sequencing technologies and phenotypic characterization to identify valuable alleles held in the CIMMYT Germplasm Bank for use in germplasm improvement programs. Individual landrace accessions of the “Breeders' Core Collection” were crossed to CIMMYT hybrids to form 918 unique accessions topcrosses (F1 families) which were evaluated during 2011 and 2012 for TSC disease reaction. A total of 16 associated SNP variants were identified for TSC foliar leaf damage resistance and increased grain yield. These variants were confirmed by evaluating the TSC reaction of previously untested selections of the larger F1 testcross population (4,471 accessions) based on the presence of identified favorable SNPs. We demonstrated the usefulness of mining for donor alleles in Germplasm Bank accessions for newly emerging diseases using genomic variation in landraces.en_US
dc.publisherFrontiers Mediaen_US
dc.sourceFrontiers in Sustainable Food Systems;(2022)en_US
dc.subjectphenotypic characterizationen_US
dc.subjectmaize landracesen_US
dc.subjectmaize genetic resourcesen_US
dc.subjectallelic diversityen_US
dc.subjectfoliar diseases of tropical maizeen_US
dc.subjectphyllachora maydisen_US
dc.titleMining alleles for tar spot complex resistance from CIMMYT's maize Germplasm Banken_US
dc.typeJournal Articleen_US
cg.creator.idKehel, Zakaria: 0000-0002-1625-043Xen_US
cg.subject.agrovocclimate changeen_US
cg.subject.agrovocrare allelesen_US
cg.contributor.centerInternational Center for Agricultural Research in the Dry Areas - ICARDAen_US
cg.contributor.centerInternational Maize and Wheat Improvement Center - CIMMYTen_US
cg.contributor.centerCornell University - CORNELLen_US
cg.contributor.centerUniversity of Wisconsin–Madison - WISCen_US
cg.contributor.centerUnited States Department of Agriculture, Agricultural Research Service - USDA-ARSen_US
cg.contributor.centerOklahoma State University - OSUen_US
cg.contributor.centerCorteva Agriscienceen_US
cg.contributor.centerGregor Mendel Institute of Molecular Plant Biologyen_US
cg.contributor.crpGenetic Innovation - GIen_US
cg.contributor.funderCGIAR System Organization - CGIARen_US
cg.contributor.projectINIT-03 Conservation and Use of Genetic Resources (Genebanks)en_US
cg.contributor.project-lead-instituteInternational Center for Agricultural Research in the Dry Areas - ICARDAen_US
cg.isijournalISI Journalen_US
dc.identifier.statusOpen accessen_US
cg.subject.sdgSDG 2 - Zero hungeren_US
cg.subject.actionAreaGenetic Innovationen_US
cg.subject.impactAreaNutrition, health and food securityen_US
cg.journalFrontiers in Sustainable Food Systemsen_US

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