Pratylenchus zeae

  

Contents

  

Rev 10/14/2008

  Classification Hosts
Morphology and Anatomy Life Cycle
Return to Pratylenchus Menu Economic Importance Damage
Distribution Management
Return to Pratylenchidae Menu Feeding    References
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Classification:

      Tylenchida
       Tylenchina
        Tylenchoidea
         Pratylenchidae
          Pratylenchinae
           Pratylenchus zeae
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Morphology and Anatomy:

  Nematode is 0.4-0.5mm long.

Lip region is generally low and flat; tail conical and rounded.

Nematode has short ventral overlap of esophagus.

Monovarial, uterus prodelphic.

Females are slender.
 
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Distribution:

Wide.
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Economic Importance:

C-rated pests in California.
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Feeding:

 Migratory endoparasite. 
All stages feed in the root cortex, never found in vascular tissues. 
Extracts from the nematode show cellulolytic enzyme activity.
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Hosts:

Tobacco, corn, sugarcane, cereals.

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Life Cycle:

No males; females reproduce by parthenogenesis.

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Damage:

Stunting, wilting, premature yellowing of plants, root lesions.

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Management:

 

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References:

 

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Copyright © 1999 by Howard Ferris.
Revised: October 14, 2008.