2019
DOI: 10.3389/fpls.2019.01338
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Genotype × Environment Studies on Resistance to Late Leaf Spot and Rust in Genomic Selection Training Population of Peanut (Arachis hypogaea L.)

Abstract: Foliar fungal diseases especially late leaf spot (LLS) and rust are the important production constraints across the peanut growing regions of the world. A set of 340 diverse peanut genotypes that includes accessions from gene bank of International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), elite breeding lines from the breeding program, and popular cultivars were screened for LLS and rust resistance and yield traits across three locations in India under natural and artificial disease epiphyt… Show more

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Cited by 31 publications
(24 citation statements)
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“…This training population includes 227 lines from subspecies fastigiata and 113 lines from subspecies hypogaea and has variation for key agronomical traits focussed by the Indian groundnut breeding programs. From the perspective of botanical varieties, 212 lines belong to vulgaris (Spanish bunch), 111 lines belong to botanical variety hypogaea , 10 to fastigiata (Valencia), four to peruviana and single representative line to aequatoriana , hirsuta and unknown botanical type (Chaudhari et al 2019 ). These lines were phenotyped for 11 agronomic, 7 quality and 6 foliar fungal disease resistance traits at Patancheru, Aliyarnagar and Jalgaon locations in India during two environments (Rainy 2015 and Post-Rainy 2015–2016).…”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…This training population includes 227 lines from subspecies fastigiata and 113 lines from subspecies hypogaea and has variation for key agronomical traits focussed by the Indian groundnut breeding programs. From the perspective of botanical varieties, 212 lines belong to vulgaris (Spanish bunch), 111 lines belong to botanical variety hypogaea , 10 to fastigiata (Valencia), four to peruviana and single representative line to aequatoriana , hirsuta and unknown botanical type (Chaudhari et al 2019 ). These lines were phenotyped for 11 agronomic, 7 quality and 6 foliar fungal disease resistance traits at Patancheru, Aliyarnagar and Jalgaon locations in India during two environments (Rainy 2015 and Post-Rainy 2015–2016).…”
Section: Methodsmentioning
confidence: 99%
“…The experimental trials were conducted in alpha lattice design with two replications. The detail procedure of conducting trials along with phenotyping of disease resistance at three different time intervals each for rust (rust@75 days, rust@90 days and rust@105 days) and late leaf spot (Late leaf spot@75 days, Late leaf spot@90 days and Late leaf spot@105 days) can be found in Chaudhari et al ( 2019 ). The data on agronomic traits included days to 50% flowering, days to maturity, primary branches/plant, pods/plant, plant height (cm), pod yield/plant (g), shelling %, hundred seed weight (g), seed yield/plant (g), total yield/plot (g) and pod yield/ha (kg) recorded from both the replications across environments.…”
Section: Methodsmentioning
confidence: 99%
“…Later on, ICRI-SAT worked together with national partners in India and constituted a training population with 340 elite groundnut lines compassing the trait diversity required for Indian groundnut breeding programs. This training population is being phenotyped for 11 agronomic, 7 quality and 6 foliar disease resistance traits at four locations (Patancheru, Aliyarnagar, Jalgaon and Dharwad) in India (Chaudhari et al 2019). High-density genotyping data have been generated using 58 K SNP assay, and 13,355 genome-wide polymorphic SNPs have been identified for performing GS analysis.…”
Section: Optimization Of Gs Breeding To Improve Complex Traitsmentioning
confidence: 99%
“…ELS and LLS are major diseases of peanuts and the range of severity is strongly influenced by G x E associated with many QTLs [21][22][23]. Only a few peanut genotypes have been identified as medium tolerant to leaf spot diseases and specific crosses were generated to develop more tolerant lines [8].…”
Section: Discussionmentioning
confidence: 99%