Abstract
The aim of this study was to investigate the inheritance of powdery mildew disease and to tag it with a DNA marker to utilize for the marker-assisted selection (MAS) breeding program. The powdery mildew resistant genotype Fallon(er) and susceptible genotype 11760-3ER were selected from 177 genotypes by heavy infestation of germplasm with Erysiphe pisi through artificial inoculation. The F1 plants of the cross Fallon/11760-3 indicated the dominance of the susceptible allele, while F2 plants segregated in 3 : 1 ratio (susceptible : resistant) that fit for goodness of fitness by chi2 (P > 0.07), indicating monogenic recessive inheritance for powdery mildew resistance in Pisum sativum. A novel RAPD marker OPB18 (5'-CCACAGCAGT-3') was linked to the er-1 gene with 83% probability with a LOD score of 4.13, and was located at a distance of 11.2 cM from the er-1 gene.
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Claims 5
Claim · model-written summary
In the cross Fallon/11760-3, the F1 plants showed dominance of the susceptible allele for powdery mildew.
- Taxon
- Pisum sativum
Lathyrus oleraceuse3 - Material
- Fallon/11760-3e1
- Interactor
- Erysiphe pisi
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Erysiphe pisie4pathogen - Outcome
- dominance of the susceptible allelee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
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Verbatim
e1“The F1 plants of the cross Fallon/11760-3 indicated the dominance of the susceptible allele”
e3“indicating monogenic recessive inheritance for powdery mildew resistance in Pisum sativum”
e4“by heavy infestation of germplasm with Erysiphe pisi through artificial inoculation”
Claim · model-written summary
F2 plants of the cross segregated 3:1 susceptible to resistant, which fits a single-locus ratio.
- Taxon
- Pisum sativumLathyrus oleraceuse3
- Outcome
- segregated in 3 : 1 ratioe2
- Qualifier
- susceptible : resistante2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“indicating monogenic recessive inheritance for powdery mildew resistance in Pisum sativum”
e2“F2 plants segregated in 3 : 1 ratio (susceptible : resistant) that fit for goodness of fitness by chi2 (P > 0.07)”
Claim · model-written summary
Powdery mildew resistance in Pisum sativum is inherited as a monogenic recessive trait.
- Taxon
- Pisum sativumLathyrus oleraceuse3
- Outcome
- monogenic recessive inheritance for powdery mildew resistancee3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“indicating monogenic recessive inheritance for powdery mildew resistance in Pisum sativum”
Claim · model-written summary
The RAPD marker OPB18 was linked to the er-1 gene with 83% probability (LOD score 4.13).
- Taxon
- Pisum sativumLathyrus oleraceuse3
- Gene
- er-1e5
- Outcome
- linked to the er-1 genee5
- Value
- 83%e5
- Qualifier
- LOD score of 4.13e5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“indicating monogenic recessive inheritance for powdery mildew resistance in Pisum sativum”
e5“was linked to the er-1 gene with 83% probability with a LOD score of 4.13”
Claim · model-written summary
The RAPD marker OPB18 is located 11.2 cM from the er-1 gene.
- Taxon
- Pisum sativumLathyrus oleraceuse3
- Gene
- er-1e6
- Outcome
- located at a distancee6
- Value
- 11.2 cMe6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“indicating monogenic recessive inheritance for powdery mildew resistance in Pisum sativum”
e6“was located at a distance of 11.2 cM from the er-1 gene”