Pratylenchus zeae

 

Contents

 

Rev 11/19/2019

  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:

        Tylenchina
        Tylenchoidea
         Pratylenchidae
          Pratylenchinae

           Pratylenchus zeae Graham, 1951

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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.

 

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

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Distribution:

Wide.

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Economic Importance:

C-rated pest in California Nematode Pest Rating System.

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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.

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

 No males; females reproduce by parthenogenesis.

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Damage:

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

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Management:

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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References:

 

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Copyright © 1999 by Howard Ferris.
Revised: November 19, 2019.