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20231225114944.0 |
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cr uuu---uuuuu |
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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1094/PDIS-03-19-0650-RE
|2 doi
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|a pubmed24n1014.xml
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Dai, Yuli
|e verfasserin
|4 aut
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| 245 |
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|a Characterization of Natural Isolates of Bipolaris maydis Associated with Mating Types, Genetic Diversity, and Pathogenicity in Fujian Province, China
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| 264 |
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|c 2020
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| 336 |
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|a Text
|b txt
|2 rdacontent
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| 337 |
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|a ƒaComputermedien
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| 500 |
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|a Date Completed 21.02.2020
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|a Date Revised 21.02.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Due to the natural destructiveness and persistence of the southern corn leaf blight (SCLB) fungus Bipolaris maydis (Nisikado et Miyake) Shoem, the characterization of B. maydis field isolates is essential to guide the rational distribution of resistant materials in corn-growing regions. In the present study, 102 field isolates collected from seven locations covering the entire region of Fujian Province, China, were assessed for mating type distribution, genetic diversity, and pathogenicity toward local sweet corn cultivars. Mating type detection via polymerase chain reaction indicated that 36.3 and 63.7% of isolates were MAT1-1 and MAT1-2, respectively; more than 80% of these isolates were confirmed using cross assays with known mating type isolates. Thirteen intersimple sequence repeat (ISSR) markers within and among two mating type populations revealed a high level of DNA polymorphism for all combined isolates and between MAT1-1 and MAT1-2 populations. The MAT1-2 population was more diverse based on DNA polymorphism than the MAT1-1 population. The value of GST was 0.0070, ranging from 0.0399 to 0.3044 based on analysis of combined isolates and individual regional populations, respectively, suggesting the presence of genetic differentiation in the two mating type populations from different locations. Pathogenicity assays revealed that both MAT1-1 and MAT1-2 populations were pathogenic to all 11 local sweet corn cultivars tested in this study. The potential of sexual reproduction, existence of genetic diversity in the two mating type populations, and pathogenicity suggest that B. maydis populations have independently clonally adapted under natural field conditions during corn cultivation
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|a Journal Article
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4 |
|a Bipolaris maydis
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| 650 |
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4 |
|a genetic diversity
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| 650 |
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4 |
|a mating type
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| 650 |
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4 |
|a pathogenicity
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| 650 |
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4 |
|a southern corn leaf blight
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| 700 |
1 |
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|a Gan, Lin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ruan, Hongchun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shi, Niuniu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Du, Yixin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Furu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Xiujuan
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Plant disease
|d 1997
|g 104(2020), 2 vom: 10. Feb., Seite 323-329
|w (DE-627)NLM098181742
|x 0191-2917
|7 nnns
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|g volume:104
|g year:2020
|g number:2
|g day:10
|g month:02
|g pages:323-329
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|u http://dx.doi.org/10.1094/PDIS-03-19-0650-RE
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