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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1094/PDIS-11-20-2476-RE
|2 doi
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|a pubmed24n1086.xml
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|a (NLM)34032488
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Baggio, Juliana S
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Phytophthora Crown Rot of Florida Strawberry
|b Inoculum Sources and Thermotherapy of Transplants for Disease Management
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|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a Date Completed 13.01.2022
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|a Date Revised 13.01.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Phytophthora crown rot, caused mainly by Phytophthora cactorum but also by P. nicotianae, reported in 2018, is an important disease in the Florida strawberry annual production system. Mefenoxam is the most effective and widely used fungicide to manage this disease. However, because of pathogen resistance, alternatives to chemical control are needed. Phytophthora spp. were rarely recovered during the summer from soil of commercial farms where the disease was observed during the season. In a more detailed survey on research plots, neither of the two species was recovered 1 month after the crop was terminated and water was shut off. Therefore, Phytophthora spp. does not seem to survive in the soil over summer in Florida. In a field trial, asymptomatic nursery transplants harboring quiescent infections were confirmed as the major source of inoculum for these pathogens in Florida. Heat treatment of P. cactorum zoospores at 44°C for as little as 5 min was effective in inhibiting germination and colony formation; however, oospore germination was not inhibited by any of the tested temperatures in vitro. In the field, thermotherapy treatment of inoculated plants was shown to have great potential to serve as a nonchemical approach for managing Phytophthora crown rot in production fields and reducing mefenoxam-resistant populations in nursery transplants
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|a Journal Article
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|a Fragaria ananassa
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| 650 |
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4 |
|a Phytophthora cactorum
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| 650 |
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4 |
|a Phytophthora nicotianae
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| 650 |
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4 |
|a alternative control
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| 650 |
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|a epidemiology
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| 650 |
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4 |
|a nursery
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| 650 |
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4 |
|a pathogen survival
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| 700 |
1 |
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|a Marin, Marcus V
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Peres, Natalia A
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Plant disease
|d 1997
|g 105(2021), 11 vom: 25. Nov., Seite 3496-3502
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|x 0191-2917
|7 nnns
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|g volume:105
|g year:2021
|g number:11
|g day:25
|g month:11
|g pages:3496-3502
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| 856 |
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|u http://dx.doi.org/10.1094/PDIS-11-20-2476-RE
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