Allotrichodorus

  

Contents

  

Rev 20-05-2005
  Classification Hosts
Morphology and Anatomy Life Cycle
Return to Allotrichodorus Menu Economic Importance Damage
Distribution Management
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Classification:

      Adenophorea
       Triplonchida
        Diphtherophorina
         Diphtherophoidea
          Trichodoridae
           Trichodorinae
              Allotrichodorus Rodriguez, Sher and Siddiqi, 1978 
(7 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 odontostyle with dorsal groove.

Females: Monovarial.

Males: Caudal alae present. Single testis.

Ref. Decraemer, W. 1996
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Distribution:

Only reported from South and Central America as of 1996.

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Economic Importance:

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

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Feeding:

At root tip.
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Hosts:

Nematodes in the Trichodoridae have a wide host range.
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Life Cycle:

 

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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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Copyright © 1999 by Howard Ferris.
Revised: May 20, 2005.