Paratrichodorus

  

Contents

  

Rev 11-01-2020
  Classification Hosts
Morphology and Anatomy Life Cycle
Return to Paratrichodorus Menu Economic Importance Damage
Distribution Management
Return to Trichodoridae Menu Feeding  References
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Classification:

      Enoplea
       Triplonchida
        Diphtherophorina
         Diphtherophoidea
          Trichodoridae
           Trichodorinae

              Paratrichodorus Siddiqi, 1974

(31 known species as of 1996)

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Morphology and Anatomy:

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  • Body configuration usually rounded at both ends.
  • Cuticle tends to swell in water and fixative when nematodes are killed.
  • Curved onchiostyle with dorsal groove.

Females:

  • Diovarial.

Males:

Ref. Decraemer, W. 1995

Body size range for the species of this genus in the database - Click:
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Distribution:

Worldwide.

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Economic Importance:

D-rated pest in California Nematode Pest Rating System.

Stunt roots, transmit Tobraviruses including Tobacco Rattle Virus, Pea early-browning Virus and Pepper Ringspot Virus.

Tobraviruses are straight tubular particles with two size ranges, 180-210 nm and 45-115 nm. Trichodorus and Paratrichodorus are vectors.

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Feeding:

At root tip.     

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Hosts:

Nematodes in the Trichodoridae have a wide host range. 
For an extensive host range list for this genus, click
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Life Cycle:

For Ecophysiological Parameters for this genus, click 
 
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Damage:

Root tip damage causes root elongation to cease. Hence "stubby root" symptoms.

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Management:

 

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References

Decraemer W. 1995. The Family Trichodoridae: Stubby Root and Virus Vector Nematodes. Developments in Plant Pathology, 6. Dordrecht: Kluwer Academic Publishers

Decraemer, W. 2011. Virus vector families Part II. Trichdoridae.Academia Press, Gent.123p.

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Copyright © 1999 by Howard Ferris.
Revised: January 11, 2020.