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231224s2013 xx ||||| 00| ||eng c |
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|a pubmed24n1334.xml
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|a (DE-627)NLM231604548
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|a (NLM)24115784
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Zasada, Inga A
|e verfasserin
|4 aut
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|a Host Status of Different Potato (Solanum tuberosum) Varieties and Hatching in Root Diffusates of Globodera ellingtonae
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|c 2013
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 11.10.2013
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|a Date Revised 18.03.2024
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a Globodera ellingtonae was detected in Oregon in 2008. In order to make decisions regarding the regulation of this nematode, knowledge of its biology is required. We determined the host status of a diversity of potato (Solanum tuberosum) varieties in soil-based experiments and identified hatching stimulants in in vitro hatching assays. 'Russet Burbank,' 'Desiree,' 'Modac,' 'Norland,' 'Umatilla,' and 'Yukon Gold' were good hosts (RF > 14) for G. ellingtonae. Potato varieties 'Maris Piper,' 'Atlantic,' and 'Satina,' all which contain the Ro1 gene that confers resistance to G. rostochiensis, were not hosts for G. ellingtonae. In in vitro hatching assays, G. ellingtonae hatched readily in the presence of diffusates from potato (PRD) and tomato (Solanum lycopersicum; TRD). Egg hatch occurred in an average of between 87% and 90% of exposed cysts, with an average of between 144 and 164 juveniles emerging per cyst, from PRD- and TRD-treated cysts, respectively. This nematode hatched rapidly in the presence of PRD and TRD, with at least 66% of total hatch occurring by day 3 of exposure. There was no dose-response of egg hatch to concentrations of PRD or TRD ranging from 1:5 to 1:100 diffusate to water. When G. ellingtonae was exposed to root diffusates from 21 different plants, hatch occurred in 0% to 70% of exposed cysts, with an average of between 0 to 27 juveniles emerging per cyst. When root diffusate-exposed cysts were subsequently transferred to PRD to test viability, root diffusates from arugula (Eruca sativa), sudangrass (Sorghum bicolor subsp. drummondii), and common vetch (Vicia sativa) continued to inhibit egg hatch compared with the other root diffusates or water in which hatch occurred readily (60 to 182 juveniles emerging per cyst). Previously known hatching stimulants of G. rostochiensis and G. pallida, sodium metavanadate, sodium orthovanadate, and sodium thiocyanate, stimulated some egg hatch. Although, Globodera ellingtonae hatched readily in PRD and TRD and reproduced on potato, the pathogenicity of this nematode on potato remains to be determined
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|a Journal Article
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|a Globodera
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|a behavior
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|a diffusates
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|a hatching
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| 650 |
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|a potato
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| 650 |
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|a resistance
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| 650 |
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4 |
|a tomato
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1 |
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|a Peetz, Amy
|e verfasserin
|4 aut
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| 700 |
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|a Wade, Nadine
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Navarre, Roy A
|e verfasserin
|4 aut
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|a Ingham, Russ E
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of nematology
|d 1969
|g 45(2013), 3 vom: 10. Sept., Seite 195-201
|w (DE-627)NLM098196421
|x 0022-300X
|7 nnns
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| 773 |
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|g volume:45
|g year:2013
|g number:3
|g day:10
|g month:09
|g pages:195-201
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