The nematodes (pronounced /ˈnɛməˌtoʊdz/) or roundworms (phylum Nematoda) are the most diverse phylum of pseudocoelomates, and one of the most diverse of all animals. Nematode species are very difficult to distinguish; over 28,000 have been described, of which over 16,000 are parasitic. It has been estimated that the total number of nematode species might be approximately 1,000,000. Unlike cnidarians or flatworms, roundworms have a digestive system that is like a tube with openings at both ends.

Habitats

Nematodes have successfully adapted to nearly every ecosystem from marine to fresh water, from the polar regions to the tropics, as well as the highest to the lowest of elevations. They are ubiquitous in freshwater, marine, and terrestrial environments, where they often outnumber other animals in both individual and species counts, and are found in locations as diverse as Guam and oceanic trenches. They represent, for example, 90% of all life on the seafloor of the Earth. Their many parasitic forms include pathogens in most plants and animals (including humans). Some nematodes can undergo cryptobiosis.

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Fri Sep 3 21:30:10 2010

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Live Beneficial Nematodes Beneficial nematodes are microscopic warriors They look like small worms and are found naturally in our soil and other habitats There are many species of

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Beneficial Nematodes

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From Yahoo Image Search: "Nematodes"
Tue Dec 29 12:40:34 2009

Futurity.org Parasites may threaten biofuel crops
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Futurity.org Parasites may threaten biofuel crops

Jennifer Shike-Illinois

hu, 01 Apr 2010 15:42:26 GM

Needle . nematodes. (above) prefer sandy soils and can cause destruction of the fibrous root system of the biofuel crops. Dagger . nematodes. (below) have been discovered in Miscanthus and switchgrass plants used for biofuels. ...

Nematicidal Injection: Targeted Control of Plant-Parasitic ...
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Nematicidal Injection: Targeted Control of Plant-Parasitic ...

D. R. Viglierchio

hu, 01 Apr 2010 23:09:49 GM

Pressurized injection of nematicidal solutions was effective for control of . nematodes. within trees and vines. Significant (P = 0.01) control of Pratylenchus vulnus on grape was attained with four nonfumigants (carbofuran, oxamyl, ...

Beneficial Insects
gulleygreenhouse.blogspot.com
Beneficial Insects

Gulley Greenhouse

Mon, 26 Apr 2010 19:30:00 GM

The beneficial . nematodes. which we carry have been tested to be effective in controlling over 200 different soil and boring pests. These . nematodes. are especially effective on Flea larvae, Flea Beetles, Coddling Moth larvae, Root Maggots, ...

From Google Blog Search: "Nematodes"
Tue May 18 14:15:11 2010

Eden reveals nematode trial results - IBTimes
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Eden reveals nematode trial results

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Eden Research has released results from the nematode trial carried out during the summer and autumn. Eden set up a series of replicated field trials with ...
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Joshua Jackson chats with us about 'Fringe' nematodes , which apparently made him "just want to vomit," the 'Observer' episode exploring the bald onlooker, ...



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Pressemitteilung vom 16.10.2009 Pilz C et al: Comparative efficiacy assessment of fungi, nematodes and insecticides to control western corn rootworm larvae ...

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Fri Dec 11 01:49:04 2009

Do parasitic nematodes work to control ants?
Q. I need a way to control, ruduce the ants around my garden without poisons. This seems like a good idea. But does it work?
Asked by bahbdorje - Mon Jun 21 00:54:31 2010 - - 1 Answers - 0 Comments
We live in the middle of Texas and we get horrible problems with fleas has anyone ever tried nematodes?
Q. If so can they cause problems with fruit trees are anything else.
Asked by sounder - Wed Jun 27 01:32:26 2007 - - 2 Answers - 0 Comments

A. You should go after your lawn first then get an exterminator in and DE flea your house. Pets also bring them in.
Answered by lonetraveler - Wed Jun 27 01:55:47 2007

Why are earthworms and nematodes in different phyla even though they are both called "worms"?
Q. Can you help me out? Thanks.
Asked by Steve A - Wed Feb 17 20:54:28 2010 - - 2 Answers - 0 Comments

A. Earthworms are part of a phylum called Annelida, or the segmented worms, because they are made up of many segments. They are more advanced than the phylum Nematoda. There are actually five main worm phyla because there is so much variety in the evolutionary advancements of different worms. They are, from least advanced to most: Platyhelmintes (flat worms) Nematoda (round worms) Nemertea (ribbon worms) Annelida (segmented worms) Sepunculida (peanut worms)
Answered by kbarox - Wed Feb 17 21:54:15 2010

From Yahoo Answer Search: "Nematodes"
Mon Aug 2 05:19:15 2010

See also:

  • Blaxter Lab Nematode GenomicsBlaxter Lab Nematode Genomics
    nematodes.org
    Features sequencing data, evolution and development, phylogenetics, and links to filarial data. Includes a genetics course, research techniques and references.
  • Nematode NetNematode Net
    nematode.net
    Project at Washington University to sequence parasitic nematodes of humans, animals, and plants. Provides access to new gene sequence information, tools for analyzing nematode sequences, and brief information and photos of the species.
  • Caenorhabditis Elegans NetworkCaenorhabditis Elegans Network
    members.tripod.com
    Provides navigation to information and data on a range of topics including genetics, bioinformatics, aging, and oxidative stress.
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Sun Jul 4 02:50:14 2010