Abstract
N.strampelli,a wheat cultivar imported from Italy,has kept resistance to stripe rust for 31 years and grown on large area in southern of Gansu province,where is the most important summer-survival region of Puccinia striiformis West in China and the ideal region to identify the resistance to stripe rust of wheat cultivars.With a infected type of 0～1,its incidence,severity,disease index and their average change rate were very low,having distinct difference from the three type of check cultivars.N.strampelli was one of the unwonted typical types compared to many durable resistance cultivars which generally bore an infected type of 3～4 and the resistance controlled by polygenes or major-gene and polygenes together.According to phenotypes of the parents,F_1 and F_2 progeny,we concluded that its resistance was controlled by the complementary action of two dominant genes and its leaf tip necrosis was controlled by one domant gene.No linkage was existed between stripe rust resistance and leaf tip necrosis.Therefore,leaf tip necrosis can not be used as modal marker of resistance for assistant selection on N.strampelli.
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Claims 5
Claim · model-written summary
Stripe rust incidence, severity and disease index of N.strampelli were very low, distinct from three check cultivars.
- Taxon
- wheat
Triticum aestivume0 - Material
- N.strampellie0
- Interactor
- Puccinia striiformis West
Puccinia striiformise2pathogen - Outcome
- incidence,severity,disease indexe1
- Qualifier
- very lowe1
- Comparator
- three type of check cultivarse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“N.strampelli,a wheat cultivar imported from Italy”
e1“its incidence,severity,disease index and their average change rate were very low”
e2“summer-survival region of Puccinia striiformis West in China”
e3“having distinct difference from the three type of check cultivars”
Claim · model-written summary
Resistance of N.strampelli is controlled by the complementary action of two dominant genes.
- Taxon
- wheatTriticum aestivume0
- Material
- N.strampellie0
- Gene
- two dominant genese3
- Outcome
- resistancee3
- Qualifier
- complementary actione3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“N.strampelli,a wheat cultivar imported from Italy”
e3“its resistance was controlled by the complementary action of two dominant genes”
Claim · model-written summary
Leaf tip necrosis of N.strampelli is controlled by one dominant gene.
- Taxon
- wheatTriticum aestivume0
- Material
- N.strampellie0
- Gene
- one domant genee4
- Outcome
- leaf tip necrosise4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“N.strampelli,a wheat cultivar imported from Italy”
e4“its leaf tip necrosis was controlled by one domant gene”
Claim · model-written summary
No linkage exists between stripe rust resistance and leaf tip necrosis in N.strampelli.
- Taxon
- wheatTriticum aestivume0
- Material
- N.strampellie0
- Outcome
- linkage was existed between stripe rust resistance and leaf tip necrosise5
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“N.strampelli,a wheat cultivar imported from Italy”
e5“No linkage was existed between stripe rust resistance and leaf tip necrosis”
Claim · model-written summary
Leaf tip necrosis cannot be used as a marker of resistance for assistant selection in N.strampelli.
- Taxon
- wheatTriticum aestivume0
- Outcome
- leaf tip necrosis can not be used as modal marker of resistance for assistant selectione6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“N.strampelli,a wheat cultivar imported from Italy”
e6“leaf tip necrosis can not be used as modal marker of resistance for assistant selection on N.strampelli”