Abstract
The inheritance of reaction to single cultures of Ustilago nuda (Jens.) Rostr., Ustilago nigra Tapke, and Ustilago hordei (Pers.) Lagerh. was studied in the F 1 , F 2 and F 3 generations of crosses between the resistant barley variety Jet and the susceptible varieties Vantage and Plush. It was concluded that Jet has a single dominant gene for resistance of U. nuda and probably dominant genes for resistance of U. nigra and U. hordei. A close association was detected, in the segregating populations, between the reactions to U. nigra and U. hordei. No association was detected between resistance to U. nuda and resistance to the other two smut species. No associations were found between reaction to any of the three smut species and the genes responsible for the following marker characters: resistance vs. susceptibility to Puccinia graminis tritici Eriks. and Henn. (Tt), two- vs. six-row spike (Vv), naked vs. hulled kernel (Nn), black vs. white lemma and pericarp (Bb), and rough vs. smooth awn (Rr).
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Claims 6
Claim · model-written summary
Jet has a single dominant gene for resistance to Ustilago nuda.
- Taxon
- barley
.jpg?width=60)
Hordeum vulgaret0 - Material
- Jett0
- Interactor
- U. nuda
Ustilago nudae1pathogen - Gene
- single dominant genee1
- Outcome
- resistance of U. nudae1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
t0“IN THE BARLEY VARIETY JET”
e1“Jet has a single dominant gene for resistance of U. nuda”
Claim · model-written summary
Jet probably has dominant genes for resistance to Ustilago nigra and Ustilago hordei.
- Taxon
- barleyHordeum vulgaret0
- Material
- Jett0
- Interactor
- U. nigra
Ustilago avenaee2pathogen - Second interactor
- U. hordeiUstilago hordeie2pathogen
- Gene
- dominant genese2
- Outcome
- resistance of U. nigra and U. hordeie2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“IN THE BARLEY VARIETY JET”
e2“probably dominant genes for resistance of U. nigra and U. hordei”
Claim · model-written summary
In segregating populations, the reactions to Ustilago nigra and Ustilago hordei were closely associated.
- Taxon
- barleyHordeum vulgaret0
- Material
- segregating populationse3
- Interactor
- U. nigraUstilago avenaee3pathogen
- Second interactor
- U. hordeiUstilago hordeie3pathogen
- Outcome
- reactions to U. nigra and U. hordeie3
- Qualifier
- close associatione3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“IN THE BARLEY VARIETY JET”
e3“A close association was detected, in the segregating populations, between the reactions to U. nigra and U. hordei”
Claim · model-written summary
Resistance to Ustilago nuda was not associated with resistance to the other two smut species.
- Taxon
- barleyHordeum vulgaret0
- Interactor
- U. nudaUstilago nudae4pathogen
- Outcome
- resistance to U. nudae4
- Comparator
- resistance to the other two smut speciese4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“IN THE BARLEY VARIETY JET”
e4“No association was detected between resistance to U. nuda and resistance to the other two smut species”
Claim · model-written summary
Reaction to the three smut species was not associated with the marker genes Tt, Vv and Nn.
- Taxon
- barleyHordeum vulgaret0
- Gene
- Tte5
- Outcome
- reaction to any of the three smut speciese5
- Qualifier
- the genes responsible for the following marker characterse5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“IN THE BARLEY VARIETY JET”
e5“No associations were found between reaction to any of the three smut species and the genes responsible for the following marker characters: resistance vs. susceptibility to Puccinia graminis tritici Eriks. and Henn. (Tt), two- vs. six-row spike (Vv), naked vs. hulled kernel (Nn)”
Claim · model-written summary
Reaction to the three smut species was not associated with the marker genes Bb and Rr.
- Taxon
- barleyHordeum vulgaret0
- Gene
- Bbe7
- Outcome
- reaction to any of the three smut speciese6
- Qualifier
- rough vs. smooth awne7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“IN THE BARLEY VARIETY JET”
e6“No associations were found between reaction to any of the three smut species”
e7“black vs. white lemma and pericarp (Bb), and rough vs. smooth awn (Rr)”