Stubby root nematode

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Stubby root nematode
Stubby root nematode Paratrichodorus minor.jpg
Scientific Classification
Kingdom: Animalia
Phylum: Nematoda
Class: Adenophorea
Order: Triplonchida
Family: Trichodoridae
Genus: Paratrichodorus
Species: Paratrichodorus minor
Stubby root nematode geographical distribution.PNG
Geographic distribution of P. minor
Christie's stubby root nematode

Stubby root nematode
Nanidorus minor
Paratrichodorus christiei
Paratrichodorus minor
Paratrichodorus Nanidorus minor
Trichodorus christiei

Trichodorus minor

The stubby root nematode is a plant pathogenic nematode. They are usually most successful in sandy soils and are capable of considerable vertical migration between the surface and depths greater than 1m (3ft). The life cycle is completed in as short as 2½ weeks at 30°C (86°F), but at cooler temperatures may take as long as 6 weeks.[1]

Symptoms[edit | edit source]

Damage caused by P. minor usually occurs in irregularly shaped patches within a given field. Symptoms are usually more severe in sandy than in heavier soils. Above ground symptoms include; stunting, poor stand, wilting, nutrient deficiency, sensitivity to drought[2][3] and lodging. Roots may appear abbreviated or "stubby" looking. However, all these symptoms can be caused by other factors.[4]

Control[edit | edit source]

Chemical[edit | edit source]

Due to the depth at which P. minor lives, standard fumigants are ineffective. This combined with data showing that populations often rebound to greater numbers following the use of fumigants renders their use redundant.[4]

Gallery[edit | edit source]

References[edit | edit source]


  1. Berry, R.E. and Coop, L.B. Stubby-root nematode. Integrated Pest Management on Peppermint. Department of Entomology and the Integrated Plant Protection Center, Oregon State University, Corvallis. Retrieved: 2011-01-08.
  2. CABI. (2008). CABI Crop protection Compendium. Datasheet: Paratrichodorus minor. Retrieved: 2008-02.
  3. Decraemer, W. (1995). Chapter 6: Economically Important Species. In The Family Trichodoridae: Stubby Root and Virus Vector Nematodes. Kluwer Academic Publishers. p283-289.
  4. a b Crow, W.T. (2004). Paratrichodorus minor. Entomology and Nematology, University of Florida. Retrieved: 2011-01-08.