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231223s2002 xx ||||| 00| ||eng c |
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|a pubmed25n0623.xml
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|a (DE-627)NLM186892489
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|a (NLM)19265907
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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 Kim, D G
|e verfasserin
|4 aut
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|a Relationship between crop losses and initial population densities of Meloidogyne arenaria in winter-grown oriental melon in Korea
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|c 2002
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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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| 338 |
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 14.07.2011
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|a Date Revised 20.10.2021
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|a published: Print
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|a ErratumIn: J Nematol. 2002 Jun;34(2):183
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|a Citation Status PubMed-not-MEDLINE
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|a To determine the economic threshold level, oriental melon (Cucumis melo L. cv. Geumssaragi-euncheon) grafted on Shintozoa (Cucurbita maxima x Cu. moschata) was planted in plots (2 x 3 m) under a plastic film in February with a range of initial population densities (Pi) of Meloidogyne arenaria. The relationships of early, late, and total yield to Pi measured in September and January were adequately described by both linear regression and the Seinhorst damage model. Initial nematode densities in September in excess of 14 second-stage juveniles (J2)/100 cm(3) soil caused losses in total yields that exceeded the economic threshold and indicate the need for fosthiazate nematicide treatment at current costs. Differences in yield-loss relationships to Pi between early- and late-season harvests enhance the resolution of the management decision and suggest approaches for optimizing returns. Determination of population levels for advisory purposes can be based on assay samples taken several months before planting, which allows time for implementation of management procedures. We introduce (i) an amendment of the economic threshold definition to reflect efficacy of the nematode management procedure under consideration, and (ii) the concept of profit limit as the nematode population at which net returns from the system will become negative
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|a Journal Article
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|a Cucumis melo
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|a Meloidogyne arenaria
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|a economic threshold
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|a management efficacy
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|a oriental melon
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|a population density
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|a profit limit
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| 650 |
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|a root-knot nematode
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|a Ferris, H
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of nematology
|d 1969
|g 34(2002), 1 vom: 24. März, Seite 43-9
|w (DE-627)NLM098196421
|x 0022-300X
|7 nnns
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| 773 |
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|g volume:34
|g year:2002
|g number:1
|g day:24
|g month:03
|g pages:43-9
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