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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1094/PDIS-06-22-1298-RE
|2 doi
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|a pubmed24n1225.xml
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|a (DE-627)NLM350929491
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|a (NLM)36581605
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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 Wang, Xiaopeng
|e verfasserin
|4 aut
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| 245 |
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|a Evaluating In Vitro Fitness Parameters of G143A-Containing and Wild-Type Corynespora cassiicola Isolates from Mississippi Soybean
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 31.08.2023
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|a Date Revised 13.12.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Quinone outside inhibitor (QoI) fungicides have been widely used to manage diseases of soybean including target spot caused by Corynespora cassiicola. However, resistance to QoI fungicides has recently been reported within the C. cassiicola population from Alabama, Arkansas, Mississippi, and Tennessee as a result of isolates in the population containing the G143A amino acid substitution. Therefore, the relative fitness and stability of isolates containing the G143A substitution compared with wild-type C. cassiicola isolates from Mississippi soybean were investigated by analyzing several fitness parameters in vitro. In addition, in vivo virulence assays were conducted in the greenhouse on a target spot-susceptible cultivar. The evaluations of fitness considered the difference between isolates from the wild-type and G143A-containing genotypes by evaluating colony growth parameters following the first and the 10th subcultures on microbiological media. When considered as an average of all G143A-containing isolates, the G143A-containing isolates following the 10th subculture produced 6.2% greater colony diameter growth but produced 2.3% less conidia. Conversely, over the same period, wild-type isolates produced 6.7% less colony growth but produced 10.9% more conidia. Based on our results, the C. cassiicola isolates that contained the G143A substitution appear stable since successive subculturing did not significantly affect the measured fitness parameters. The lack of fitness cost accompanying the genotypic shift to the G143A amino acid substitution which confers fungicide resistance in C. cassiicola indicates that these isolates may have fitness advantages and may remain stable in the population as well as displace wild-type isolates with repeated fungicide applications of QoI-containing products
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|a Journal Article
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|a Glycine max
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|a QoI resistance
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| 650 |
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|a cereals and grains
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| 650 |
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|a chemical
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| 650 |
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|a fitness
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| 650 |
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4 |
|a fungi
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| 650 |
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4 |
|a fungicide resistance
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| 650 |
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4 |
|a pathogen survival
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| 650 |
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4 |
|a soybean
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| 650 |
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4 |
|a target spot
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| 650 |
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|a Fungicides, Industrial
|2 NLM
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| 650 |
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7 |
|a quinone
|2 NLM
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| 650 |
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7 |
|a 3T006GV98U
|2 NLM
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| 700 |
1 |
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|a Aboughanem-Sabanadzovic, Nina
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sabanadzovic, Sead
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tomaso-Peterson, Maria
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wilkerson, Tessie H
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Allen, Tom W
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Plant disease
|d 1997
|g 107(2023), 8 vom: 26. Aug., Seite 2375-2383
|w (DE-627)NLM098181742
|x 0191-2917
|7 nnns
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| 773 |
1 |
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|g volume:107
|g year:2023
|g number:8
|g day:26
|g month:08
|g pages:2375-2383
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| 856 |
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|u http://dx.doi.org/10.1094/PDIS-06-22-1298-RE
|3 Volltext
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