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240114s2024 xx |||||o 00| ||eng c |
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|a 10.1094/PDIS-10-23-2027-RE
|2 doi
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|a pubmed25n1222.xml
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|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a King, Lindsay
|e verfasserin
|4 aut
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| 245 |
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|a The Root-Lesion Nematode, Pratylenchus penetrans, Affects Early Growth and Physiology of Grafted M.9, G.41, and G.935 Apple Rootstocks Similarly Under Field Microplot Conditions
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| 264 |
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|c 2024
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| 336 |
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|a Text
|b txt
|2 rdacontent
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| 337 |
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|a ƒaComputermedien
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|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
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| 500 |
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|a Date Completed 15.07.2024
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|a Date Revised 15.07.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a The root-lesion nematode, Pratylenchus penetrans, is a ubiquitous parasite of roots of temperate fruit trees. It affects early growth of trees replanted into former orchard sites where populations have built up and may contribute to decline complexes of older trees. Most British Columbia, Canada, apple acreage is planted with M.9 rootstock, but growers are increasingly considering Geneva-series rootstocks such as G.41 and G.935. Among these rootstocks, responses to P. penetrans, specifically, are poorly known. To compare the resistance and tolerance to P. penetrans of G.41, G.935, and M.9 rootstocks ('Ambrosia' scion), a field microplot experiment was established in spring of 2020 at the Summerland Research and Development Centre. The experimental design was a two by three factorial combination of: P. penetrans inoculation (+/-) and rootstock (G.41, G.935, and M.9), with 20 replicate microplots of each of the six treatment combinations arranged in a randomized complete block design. The P. penetrans inoculum was 5,400 nematodes per microplot (54 P. penetrans liter-1 soil), which is below commonly accepted damage thresholds. Though P. penetrans population densities were lower for the G.41 rootstock by the end of the 2021 growing season, the effects of P. penetrans were similar among rootstocks. In the establishment year (2020), P. penetrans caused significant reductions in aboveground growth. In 2021, shoot growth and root weight were reduced by P. penetrans. The nematode also reduced rates of leaf gas exchange and stem water potential. These data suggest that while G.41 and G.935 may have other horticultural benefits over M.9, they are equally susceptible to P. penetrans at the early stages of tree growth
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| 650 |
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4 |
|a Journal Article
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| 650 |
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|a Pratylenchus penetrans
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| 650 |
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4 |
|a apple replant disease
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| 650 |
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4 |
|a apple rootstock
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| 650 |
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4 |
|a root-lesion nematode
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| 700 |
1 |
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|a Munro, Paige
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xu, Hao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jones, Melanie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Forge, Tom
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Plant disease
|d 1997
|g 108(2024), 7 vom: 06. Juli, Seite 1993-1999
|w (DE-627)NLM098181742
|x 0191-2917
|7 nnas
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| 773 |
1 |
8 |
|g volume:108
|g year:2024
|g number:7
|g day:06
|g month:07
|g pages:1993-1999
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| 856 |
4 |
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|u http://dx.doi.org/10.1094/PDIS-10-23-2027-RE
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