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
    Go to Nemaplex Main Menu   Go to Dictionary of Terminology

Classification:

      Enoplea
       Triplonchida
        Diphtherophorina
         Diphtherophoidea
          Trichodoridae
           Trichodorinae

              Paratrichodorus Siddiqi, 1974

(31 known species as of 1996)

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Morphology and Anatomy:

.

  • 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.