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|a 10.1094/PDIS-12-20-2695-RE
|2 doi
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|a pubmed24n1109.xml
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|a (NLM)34743538
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|a eng
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|a Arocha Rosete, Yaima
|e verfasserin
|4 aut
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|a Assessing the Use of DNA Detection Platforms Combined with Passive Wind-Powered Spore Traps for Early Surveillance of Potato and Tomato Late Blight in Canada
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|c 2021
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 13.01.2022
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|a Date Revised 07.12.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Quantitative PCR (qPCR), loop-mediated amplification (LAMP), and lateral flow strip-based recombinase polymerase amplification (RPA-LFS) assays were assessed for early detection of Phytophthora infestans, the global causal agent of potato and tomato late blight, on passive wind-powered spore traps known as Spornados. Spore traps were deployed in potato and tomato fields during the 2018, 2019, and 2020 growing seasons in the provinces of Alberta, British Columbia, Manitoba, Prince Edward Island, and Ontario. All assays used DNA extracts from Spornado cassette membranes targeting the P. infestans nuclear ribosomal internal transcribed spacer. A total of 1,003 Spornado samples were qPCR tested, yielding 115 positive samples for P. infestans spores. In further assessment of these samples, LAMP detected P. infestans in 108 (93.9%) of 115 qPCR positive samples, and RPA-LFS detected it in 103 (89.6%). None of the assays showed cross-reaction with other Phytophthora species or pathogenic fungi known to infect potato and tomato. The qPCR detected ≤1 fg of P. infestans DNA, and LAMP and RPA-LFS amplified 10 fg in as little as 10 min. All assays detected P. infestans before the first report of late blight symptoms in commercial potato or tomato fields within each region or province. The combination of Spornado passive samplers with qPCR, LAMP, or RPA-LFS proved a valuable spore trapping system for early surveillance of late blight in potato and tomato. Both LAMP and RPA-LFS showed potential as alternative approaches to qPCR for in-field monitoring of P. infestans
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|a Journal Article
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|a LAMP
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|a LFS
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|a RPA
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| 650 |
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|a Spornado
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|a late blight
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| 650 |
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4 |
|a passive spore traps
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| 650 |
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4 |
|a qPCR
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| 650 |
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|a DNA
|2 NLM
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| 650 |
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|a 9007-49-2
|2 NLM
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| 700 |
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|a To, Henry
|e verfasserin
|4 aut
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|a Evans, Martin
|e verfasserin
|4 aut
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|a White, Kristine
|e verfasserin
|4 aut
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|a Saleh, Michael
|e verfasserin
|4 aut
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|a Trueman, Cheryl
|e verfasserin
|4 aut
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1 |
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|a Tomecek, Joseph
|e verfasserin
|4 aut
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|a Van Dyk, Dennis
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Summerbell, Richard C
|e verfasserin
|4 aut
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| 700 |
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|a Scott, James A
|e verfasserin
|4 aut
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|i Enthalten in
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|g 105(2021), 11 vom: 16. Nov., Seite 3610-3622
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|g volume:105
|g year:2021
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|g day:16
|g month:11
|g pages:3610-3622
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|u http://dx.doi.org/10.1094/PDIS-12-20-2695-RE
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