Abstract
Barley is an important crop grown annually on about 55 Mha and intensively cultivated in Europe. In central and north-western Europe, spring and winter barley can be grown in similar environments which creates suitable conditions for the development of barley pathogens, including Blumeria graminis f. sp. hordei, the causal agent of powdery mildew. Apart from pesticide application, it can be controlled by inexpensive and environmentally-friendly genetic resistance. In this contribution, results of the resistance gene identification in 58 barley cultivars to powdery mildew are presented. In 56 of them their resistances were postulated and in two hybrid cultivars a recently developed method of gene identification was used. In total, 18 known resistance genes were found and several unknown genes were detected. In spring barley, a gene of durable resistance mlo is still predominant. MlVe found in winter SU Celly was the only new resistance gene recorded in barley cultivars registered in the Czech Republic in this time span. Since 2001 eight new genes of specific resistance have been identified in cultivars registered in the country and their response under field conditions is discussed, including the corresponding responses of the pathogen population due to directional selection. Different strategies for breeding spring and winter barley are recommended.
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Claims 8
Claim · model-written summary
In 56 of them their resistances were postulated
- Taxon
- barley
.jpg?width=60)
Hordeum vulgaret0 - Outcome
- resistances were postulatede0
- Value
- 56e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“In 56 of them their resistances were postulated”
t0“Barley Cultivars”
Claim · model-written summary
in two hybrid cultivars a recently developed method of gene identification was used
- Taxon
- barleyHordeum vulgaret0
- Material
- hybrid cultivarse0
- Outcome
- method of gene identificatione0
- Value
- twoe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in two hybrid cultivars a recently developed method of gene identification was used”
t0“Barley Cultivars”
Claim · model-written summary
In total, 18 known resistance genes were found
- Taxon
- barleyHordeum vulgaret0
- Outcome
- known resistance genes were founde0
- Value
- 18e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In total, 18 known resistance genes were found”
t0“Barley Cultivars”
Claim · model-written summary
several unknown genes were detected
- Taxon
- barleyHordeum vulgaret0
- Outcome
- unknown genes were detectede0
- Value
- severale0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“several unknown genes were detected”
t0“Barley Cultivars”
Claim · model-written summary
In spring barley, a gene of durable resistance mlo is still predominant
- Taxon
- barleyHordeum vulgaree0
- Gene
- mloe0
- Outcome
- predominante0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In spring barley, a gene of durable resistance mlo is still predominant”
Claim · model-written summary
MlVe found in winter SU Celly was the only new resistance gene recorded in barley cultivars registered in the Czech Republic in this time span
- Taxon
- barleyHordeum vulgaree0
- Material
- SU Cellye0
- Gene
- MlVee0
- Outcome
- only new resistance genee0
- Setting
- Czech Republice0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“MlVe found in winter SU Celly was the only new resistance gene recorded in barley cultivars registered in the Czech Republic in this time span”
Claim · model-written summary
Since 2001 eight new genes of specific resistance have been identified in cultivars registered in the country
- Taxon
- barleyHordeum vulgaret0
- Outcome
- new genes of specific resistance have been identifiede0
- Value
- eighte0
- Qualifier
- Since 2001e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Since 2001 eight new genes of specific resistance have been identified in cultivars registered in the country”
t0“Barley Cultivars”
Claim · model-written summary
Different strategies for breeding spring and winter barley are recommended
- Taxon
- barleyHordeum vulgaree0
- Outcome
- Different strategies for breeding spring and winter barleye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Different strategies for breeding spring and winter barley are recommended”