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20231225213137.0 |
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cr uuu---uuuuu |
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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1094/PDIS-06-21-1248-RE
|2 doi
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|a pubmed24n1104.xml
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|a (DE-627)NLM331292742
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|a (NLM)34587774
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Chen, Lin
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Pathotype Identification and Virulence Variation in Cochliobolus sativus in China
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| 264 |
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|c 2022
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|a Text
|b txt
|2 rdacontent
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| 337 |
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
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| 500 |
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|a Date Completed 02.03.2022
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|a Date Revised 31.05.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Spot blotch caused by Cochliobolus sativus has become an important disease in the wheat-growing regions in China that has resulted from changes in the regional climate, agricultural cultivation patterns, and the susceptible wheat varieties that are widely grown. Little information is available about virulence variability and pathogenic specialization of the C. sativus isolates from major wheat-growing regions in China. Here, 12 representative wheat varieties and foundation breeding stocks were selected to characterize the pathotypes of C. sativus isolates from infected wheat plants. Based on the infection phenotypes in the 12 differential genotypes at the seedling stage, 70 Chinese pathotypes were identified from 110 isolates and clustered into three virulence groups. The high virulence isolates were collected from wheat leaves, crowns, and roots, with most (10 of 14) from the Henan province in the Huang-Huai plain. No relationship was evident between virulence variability of C. sativus isolates and their geographic origins or types of diseased wheat tissues. C. sativus showed a significant pathogenic specialization in hosts of wheat and barley. Most of the wheat isolates (50 of 65) were avirulent to all the differential barley genotypes, and a few were virulent only to highly susceptible barley genotypes. These results indicated that C. sativus isolates from the wheat-growing regions in China varied considerably for their virulence in wheat varieties, and showed significant pathogenic specialization to the wheat and barley hosts
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| 650 |
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4 |
|a Journal Article
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| 650 |
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4 |
|a China
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| 650 |
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4 |
|a Cochliobolus sativus
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| 650 |
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4 |
|a barley
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| 650 |
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4 |
|a host specialization
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| 650 |
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4 |
|a spot blotch
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| 650 |
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4 |
|a virulence
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| 650 |
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4 |
|a wheat
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| 700 |
1 |
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|a Yao, Quanjie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Fengtao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Pang, Yunxing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lang, Xiaowei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sun, Dan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhou, Jun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Feng, Jing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lin, Ruiming
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Plant disease
|d 1997
|g 106(2022), 2 vom: 29. Feb., Seite 585-594
|w (DE-627)NLM098181742
|x 0191-2917
|7 nnns
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| 773 |
1 |
8 |
|g volume:106
|g year:2022
|g number:2
|g day:29
|g month:02
|g pages:585-594
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| 856 |
4 |
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|u http://dx.doi.org/10.1094/PDIS-06-21-1248-RE
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