Pratylenchus parafloridensis

Pratylenchus parafloridensis	Contents	Rev 12/16/2024
	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:

        Chromadorea
       Rhabditida
       Tylenchina
        Tylenchoidea
         Pratylenchidae
          Pratylenchinae

Pratylenchus parafloridensis De Luca, Troccoli, Duncan, Subbotin, Waeyebbberge, Moens & Inserra. 2010.

Morphology and Anatomy:

An amphimictic Pratylenchus species, boyh females and males occur.

Females:

Labial region with two annuli, 2.3 μm high, 7.5 μm broad, offset from body by a slight constriction.\
All labial sectors fused together and with a rounded oral disc.
Amphidial openings obliquely orientated, at sides of oral disc.
Stylet with rounded or ellipsoidal knobs.
DEGO 2-2.5 μm posterior to stylet base.
Esophageal gland rather long, overlapping intestine ventrally.
Lateral fields with four lines,not areolated.
Genital mtract prodelphic,31- 39% of body length long.
Spermatheca filled with sperm, quadrangular or large rectangular in shape.
Post-uterine sac ca 1.5 body diam. long, often with rudimentary cellular elements at tip. \
Tail conoid, subhemispherical or bluntly pointed with smooth or slightly indented terminus.

Ref: De Luca et al., 2010

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

Males:

Common in field populations.
Body sslightly smaller than female.
Stylet more slender and shorter than in female, with rounded knobs.
Esophageal gland lobe overlapping intestine
Lateral field with four, smooth lines.
Tail conical, rather short.
Testis outstretched.
Spicules arcuate, slender, weakly cephalated, gubernaculum simple, slightly arcuate.

Pratylenchus parafloridensis has been found in roots of Maidencane (Panicum hemitomon) roots collected from a pasture land Hillsborough, Florida, USA . The soil type is sandy and the climate is subtropical.

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Economic Importance:

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Feeding:

Migratory endoparasite of plant roots.

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Hosts:

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

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Damage:

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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:

De Luca, F., A. Troccoli, L.W. Duncan, S.A. Subbotin, L. Waeyebbberge, M. Moens, R.N. Inserra. 2010. Characterization of a population of Pratylenchus hippeastri from bromeliads and description of its related new species, P. floridensis n. sp. and P. parafloridensis n. sp. from grasses in Florida. Nematology 12: 847-868.