Abstract
Abstract With an objective of developing the induced mutants for superior productivity and resistance to foliar diseases in peanut, two introgression lines (IL‐3 and IL‐4) derived from ABK genomes of peanut were subjected to gamma and sodium azide mutagenesis. Evaluation of M 1 , M 2 and M 3 generations could identify foliar disease resistant and productive mutants. Large‐scale evaluation of M 4 mutants during the rainy season of 2017 confirmed the superiority of 12 mutants over the respective parents and the best check (GPBD 4). The selected mutants were resistant to leaf spots (early and late) and rust diseases, and significantly more productive than the parents and GPBD 4. ddRAD‐Sequencing of these mutants identified the single nucleotide polymorphisms (SNPs) when compared to their parents. The genes harbouring these structural mutations were also identified. However, no copy number variations (CNVs) were observed between the mutants and the parents. The selected mutants carried resistant‐type alleles at the marker loci linked to foliar disease resistance. These promising mutants (M 8 ) are currently under initial trials of variety development for commercial release.
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Claims 9
Claim · model-written summary
M1 through M3 evaluation identified foliar disease-resistant and productive peanut mutants.
- Taxon
- peanut
Arachis hypogaeat0 - Material
- M 1 , M 2 and M 3 generationse0
- Outcome
- foliar disease resistant and productive mutantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Evaluation of M 1 , M 2 and M 3 generations could identify foliar disease resistant and productive mutants.”
t0“peanut (Arachis hypogaea)”
Claim · model-written summary
Twelve M4 peanut mutants were superior to their parents and GPBD 4.
- Taxon
- peanutArachis hypogaeat0
- Material
- M 4 mutantse0
- Outcome
- superioritye0
- Direction
- superioritye0
- Value
- 12 mutantse0
- Comparator
- respective parents and the best check (GPBD 4)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Large‐scale evaluation of M 4 mutants during the rainy season of 2017 confirmed the superiority of 12 mutants over the respective parents and the best check (GPBD 4).”
t0“peanut (Arachis hypogaea)”
Claim · model-written summary
Selected peanut mutants resisted early and late leaf spots.
- Taxon
- peanutArachis hypogaeat0
- Material
- selected mutantse0
- Interactor
- leaf spotse0pathogen
- Outcome
- resistant to leaf spots (early and late)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The selected mutants were resistant to leaf spots (early and late) and rust diseases”
t0“peanut (Arachis hypogaea)”
Claim · model-written summary
Selected peanut mutants resisted rust disease.
- Taxon
- peanutArachis hypogaeat0
- Material
- selected mutantse0
- Interactor
- rust diseasese0pathogen
- Outcome
- rust diseasese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The selected mutants were resistant to leaf spots (early and late) and rust diseases”
t0“peanut (Arachis hypogaea)”
Claim · model-written summary
Selected mutants were significantly more productive than parents and GPBD 4.
- Taxon
- peanutArachis hypogaeat0
- Material
- selected mutantse1
- Outcome
- productivee0
- Direction
- moree0
- Comparator
- the parents and GPBD 4e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“significantly more productive than the parents and GPBD 4.”
e1“The selected mutants were resistant to leaf spots (early and late) and rust diseases”
t0“peanut (Arachis hypogaea)”
Claim · model-written summary
ddRAD sequencing identified SNPs in selected mutants relative to parents.
- Taxon
- peanutArachis hypogaeat0
- Material
- these mutantse0
- Outcome
- single nucleotide polymorphisms (SNPs)e0
- Comparator
- their parentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“ddRAD‐Sequencing of these mutants identified the single nucleotide polymorphisms (SNPs) when compared to their parents.”
t0“peanut (Arachis hypogaea)”
Claim · model-written summary
Genes harboring structural mutations were identified in the peanut mutants.
- Taxon
- peanutArachis hypogaeat0
- Gene
- genese0
- Outcome
- genes harbouring these structural mutations were also identifiede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The genes harbouring these structural mutations were also identified.”
t0“peanut (Arachis hypogaea)”
Claim · model-written summary
No CNVs were observed between the peanut mutants and their parents.
- Taxon
- peanutArachis hypogaeat0
- Material
- mutantse0
- Outcome
- no copy number variations (CNVs) were observede0
- Comparator
- parentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“no copy number variations (CNVs) were observed between the mutants and the parents.”
t0“peanut (Arachis hypogaea)”
Claim · model-written summary
Selected peanut mutants carried resistance-type alleles at linked foliar disease marker loci.
- Taxon
- peanutArachis hypogaeat0
- Material
- selected mutantse0
- Gene
- marker locie0
- Outcome
- resistant‐type allelese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The selected mutants carried resistant‐type alleles at the marker loci linked to foliar disease resistance.”
t0“peanut (Arachis hypogaea)”