Pratylenchus pseudopratensis




Rev 06/01/2021

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           Pratylenchus pseudopratensis Seinhorst 1968

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Morphology and Anatomy:

An amphimictic Pratylenchus species, femalers and males present.

  • Lip region with three, sometimes partly four annules.
  • Posterior extension of cephalic framework thin, extending into body for about two body annules.
  • Stylet knobs flattened anteriorly.
  • Excretory pore at or posterior to level of nerve ring.
  • Lateral field with four lines, with sometimes a short 5th line a fifth line .
  • Tail conical with 12 to 19 (mostly 14 to 16) annules.
  • Tail tip rounded to truncate, smooth.
  • Female monovarial, ovary with oocytes partly in two columns. Spermatheca oval, anterior to vulva by 50% to 90% of vulva-anus distance. Length of posterior uterine branch 23% to 30% of anus-vulva distance.
  • Male testis with spermatocytes in a double row; edge of bursa coarely crenate.

    Ref:: Seinhorst, 1968

Reported median body size for this species (Length mm; width micrometers; weight micrograms) - Click:

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Originally reported from arable land on sandy soil in The Netherlands.


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Economic Importance:


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    Migratory endoparasite.    

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For an extensive host range list for this species, click

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Life Cycle:


Ecophysiological Parameters:

For Ecophysiological Parameters for this species, click If species level data are not available, click for genus level parameters


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Host Plant Resistance, Non-hosts and Crop Rotation alternatives:

For plants reported to have some level of resistance to this species, click


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Seinhorst, J.W. 1968. Three New Pratylenchus Species With Α Discussion of the Structure of the Cephalic Framework and of the Spermatheca in This Genus. Nematologica 14:497-510.


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Copyright 1999 by Howard Ferris.
Revised: June 01, 2021.