"11595","10","archive","3170",,,"disk0/00/01/15/95","2020-09-05 16:22:50","2020-09-05 16:22:50","2020-09-05 16:22:50","article",,,"show",,,,"","","","","","","","","","",,,,"Pattanashetti","S K","","","","","",,"Pattanashetti","S K","","","","",,,,,"","",,,,,"","","College of Agriculture, University of Agricultural Sciences – Dharwad, Vijayapur","India","Identification of quantitative trait loci associated with iron deficiency chlorosis resistance in groundnut ( Arachis hypogaea )","pub","ABio","CRPS3","CG1","public",,,"Groundnut, Iron deficiency chlorosis resistance, QTL mapping, SPAD chlorophyll meter reading, Visual chlorosis ting",,"Authors would like to thank Dr Vincent Vadez, ICRISAT, Patancheru (India) for supplying the seeds of the RIL population for phenotyping and also for critically reviewing this paper. This work was undertaken as part of the post-graduate research of Omprakash and
Ishwar at College of Agriculture, Vijayapur under University of Agricultural Sciences, Dharwad and CGIAR Research Program on Grain Legumes and Dryland Cereals (GLDC). Thanks to Bill and Melinda Gates Foundation (BMGF) for supporting part of this research through Tropical Legumes (III) project. ICRISAT is a member of CGIAR Consortium.","Iron deficiency chlorosis is an important abiotic stress affecting groundnut production
worldwide in calcareous and alkaline soils with a pH of 7.5–8.5. To identify genomic
regions controlling iron deficiency chlorosis resistance in groundnut, the recombinant
inbred line population from the cross TAG 24 × ICGV 86031 was evaluated for associated
traits like visual chlorosis rating and SPAD chlorophyll meter reading across
three crop growth stages for two consecutive years. Thirty-two QTLs were identified
for visual chlorosis rating (3.9%–31.8% phenotypic variance explained [PVE]) and
SPAD chlorophyll meter reading [3.8%–11% PVE] across three stages over 2 years.
This is the first report of identification of QTLs for iron deficiency chlorosis resistance-
associated traits in groundnut. Three major QTLs (>10% PVE) were identified at
severe stage, while majority of other QTLs were having small effects. Interestingly,
two major QTLs for visual chlorosis rating at 60 days (2013) and 90 days (2014) were
located at same position on LG AhXIII. The identified QTLs/markers after validation
across diverse genetic material could be used in genomics-assisted breeding.","2020-02","published",,"Plant Breeding (TSI)","139","4","Wiley",,"790-803",,,,,,"doi:10.1111/pbr.12815",,,,,"TRUE",,"0179-9541",,,,,,"","https://doi.org/10.1111/pbr.12815","https://scholar.google.com/scholar?hl=en&as_sdt=0%2C5&q=10.1111%2Fpbr.12815&btnG=","pub",,"","",,,,,,"",,,,,,,"",,,,,"",,,,,"","",,,,,"","",,,,,
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