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|a 10.21307/jofnem-2021-111
|2 doi
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|a pubmed24n1366.xml
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|a (PII)e2021-111
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|a eng
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| 100 |
1 |
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|a Qiu, Sai
|e verfasserin
|4 aut
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|a Susceptibility of Flordaguard peach rootstock to a resistant-breaking population of Meloidogyne floridensis and two populations of Meloidogyne arenaria
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|c 2021
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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
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|2 rdacarrier
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|a Date Revised 05.04.2024
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|a published: Electronic-eCollection
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|a Citation Status PubMed-not-MEDLINE
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|a © 2021 Authors.
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|a Cultivar Flordaguard is suggested as a root-knot nematode (RKN) resistant rootstock for Florida peaches, however, RKN disease has been observed on this rootstock in peach orchards. Our goal was to confirm whether the RKN resistance breaking isolates of M. floridensis and M. arenaria indeed could infect and reproduce on the peach rootstock cv. Flordaguard in both laboratory and field studies. Root galling occurred on all peach cultivars evaluated including Flordaguard, Flordaglo, Okinawa, and Lovell, in the presence of the RKN resistance-breaking isolates of M. floridensis (MfGnv14) and two M. arenaria isolates (Ma1 and Ma2). These rootstocks showed varying degrees of susceptibility (to a lesser extent in Okinawa) to these three RKN resistance-breaking isolates. The importance of nematode inoculum concentrations in differentiating between resistance and susceptible plants was demonstrated, and thus are an important factor to consider in nematode resistance breeding programs. In host differential tests the peach-originated isolates of M. floridensis and M. arenaria behaved similarly with the vegetable-originated isolates of M. floridensis on tomato, peanut, watermelon, and tobacco, but showed variable host responses on cotton and pepper. The two M. arenaria isolates from peach reproduced on pepper but not on peanut. To our knowledge this is the first report of M. arenaria race 3 infecting Flordaguard and pepper in Florida. Soil and root samples collected from cv. Flordaguard infected trees at two commercial peach orchards showed that M. floridensis and M. arenaria were established on the rootstock
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|a Journal Article
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|a Flordaguard
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|a Meloidogyne arenaria
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| 650 |
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|a Meloidogyne floridensis
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| 650 |
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4 |
|a Peach rootstock
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| 650 |
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4 |
|a Prunus persica
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| 650 |
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4 |
|a Root-knot nematode
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| 700 |
1 |
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|a Maquilan, Mary Ann D
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chaparro, Jose X
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Brito, Janete A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Beckman, Thomas G
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Dickson, Donald W
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Journal of nematology
|d 1969
|g 53(2021) vom: 19.
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|g volume:53
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|g day:19
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|u http://dx.doi.org/10.21307/jofnem-2021-111
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