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Genomic regions associated with resistance to peanut bud necrosis disease (PBND) in a recombinant inbred line (RIL) population

OAR@ICRISAT

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Relation http://oar.icrisat.org/11316/
https://doi.org/10.1111/pbr.12743
doi:10.1111/pbr.12743
 
Title Genomic regions associated with resistance to peanut bud necrosis disease (PBND) in a recombinant inbred line (RIL) population
 
Creator Jadhav, Y
Manohar, S S
Sunkad, G
Kannalli, V P
Pandey, M K
Variath, M T
Yaduru, S
Kona, P
Varshney, R K
Janila, P
 
Subject Plant Breeding
Groundnut
Genetics and Genomics
Plant Disease
Legume Crops
 
Description Parents and 318 F8 recombinant inbred lines (RILs) derived from the cross, TAG 24 × ICGV 86031 were evaluated for peanut bud necrosis disease (PBND) resistance and agronomic traits under natural infestation of thrips at a disease hotspot location for 2 years. Significant genotype, environment and genotype × environment interaction effects suggested role of environment in development and spread of the disease. Quantitative trait loci (QTL) analysis using QTL Cartographer identified a total of 14 QTL for six traits of which five QTL were for disease incidence. One quantitative trait locus q60DI located on LG_AhII was identified using both QTL Cartographer and QTL Network. Another QTL q90DI was detected with a high PVE of 12.57 using QTL Cartographer. A total of nine significant additive × additive (AA) interactions were detected for PBND disease incidence and yield traits with two and seven interactions displaying effects in favour of the parental and recombinant genotype combinations, respectively. This is the first attempt on QTL discovery associated with PBND resistance in peanut. Superior RILs identified in the study can be recycled or released as variety following further evaluations.
 
Publisher John Wiley & Sons, Inc
 
Date 2019-09
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
Identifier http://oar.icrisat.org/11316/1/Jadhav_et_al-2019-Plant_Breeding.pdf
Jadhav, Y and Manohar, S S and Sunkad, G and Kannalli, V P and Pandey, M K and Variath, M T and Yaduru, S and Kona, P and Varshney, R K and Janila, P (2019) Genomic regions associated with resistance to peanut bud necrosis disease (PBND) in a recombinant inbred line (RIL) population. Plant Breeding (TSI). pp. 1-13. ISSN 0179-9541