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231225s2017 xx |||||o 00| ||eng c |
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|a 10.1094/PDIS-04-17-0497-RE
|2 doi
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|a pubmed24n0976.xml
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|a DE-627
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| 041 |
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|a eng
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| 100 |
1 |
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|a Poojari, S
|e verfasserin
|4 aut
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| 245 |
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|a Epidemiology and Genetic Diversity of Grapevine Leafroll-Associated Viruses in British Columbia
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| 264 |
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|c 2017
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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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|a Date Completed 05.06.2019
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|a Date Revised 05.06.2019
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Grapevine leafroll disease (GLD) is a complex associated with one or more virus species belonging to the family Closteroviridae. The majority of viruses in this complex are vectored by one or more species of mealybugs (Pseudococcidae) and/or scale insects (Coccidae). Grape-growing regions of British Columbia (BC), including Okanagan, Similkameen, and Fraser valleys and Kamloops (BC central interior), Vancouver, and Gulf islands, were surveyed during the 2014 and 2015 growing seasons for the presence of four major grapevine leafroll-associated viruses, including Grapevine leafroll-associated virus 1 (GLRaV-1), GLRaV-2, GLRaV-3, and GLRaV-4. In total, 3,056 composite five-vine samples were collected from 153 Vitis vinifera and three interspecific hybrid vineyard blocks. The results showed GLRaV-3 to be the most widespread, occurring in 16.7% of the composite samples, followed by GLRaV-4 (3.9%), GLRaV-1 (3.8%), and GLRaV-2 (3.0%). Mixed infections of two or more GLRaVs were found in 4.1% of the total samples. The relative incidence of GLRaVs differed among regions and vineyard blocks of a different age. Characterization of partial CO1 region from a total of 241 insect specimens revealed the presence of Pseudococcus maritimus, Parthenolecanium corni, and other Pulvinaria sp. in BC vineyards. Spatial patterns of GLRaV-3 infected grapevines in three vineyard blocks from three different regions in the Okanagan Valley showed variable degrees of increase in disease spread ranging from 0 to 19.4% over three growing seasons. Regional differences in the relative incidence and spread of GLD underline the need for region-based management programs for BC vineyards
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|a Journal Article
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|a Boulé, J
|e verfasserin
|4 aut
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| 700 |
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|a DeLury, N
|e verfasserin
|4 aut
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| 700 |
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|a Lowery, D T
|e verfasserin
|4 aut
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| 700 |
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|a Rott, M
|e verfasserin
|4 aut
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| 700 |
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|a Schmidt, A-M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Úrbez-Torres, J R
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant disease
|d 1997
|g 101(2017), 12 vom: 24. Dez., Seite 2088-2097
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|g number:12
|g day:24
|g month:12
|g pages:2088-2097
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|u http://dx.doi.org/10.1094/PDIS-04-17-0497-RE
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