nematode

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nematode,

common name for any worm of the phylum NematodaNematoda
, phylum consisting of about 12,000 known species, and many more predicted species, of worms (commonly known as roundworms or threadworms). Nematodes live in the soil and other terrestrial habitats as well as in freshwater and marine environments; some live on the deep
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nematode

[′nem·ə‚tōd]

(invertebrate zoology)

Any member of the Nematoda.

Of or pertaining to the Nematoda.

nematode

any unsegmented worm of the phylum (or class) Nematoda, having a tough outer cuticle. The group includes free-living forms and disease-causing parasites, such as the hookworm and filaria

Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

References in periodicals archive ?

The study of the structure of nematode communities (abundance, frequency) in these stations study (table 1) allows us to rank the most abundant genera Aphelenchus, Tylenchus, Dorylaimus and Cephalobus with relative abundance which are respectively : 15.194 and 14.723 and 12.603 and 12.485.

Effect of soil physical and chemical characteristics on nematode trophic groups:

Effect of The Edaphic Environment on The Diversity And Trophical Structure of The Nematodes of Algerian Viticultural Soils

Rotylenchulus reniformis was the most abundant and prevalent nematode found in the rhizospheres of passion fruit, cupuacu, soursop and peach palm cultivated in the AFS.

All of the nematode species observed are phytoparasites and to our knowledge, this is the first time they have been reported to occur in fruit trees in the state of Amapa.

Nematodes associated with five fruit trees in the state of Amapa, Brazil/Nematoides associados a cinco fruteiras no estado do Amapa, Brasil

The nematodes will then reproduce inside the corpse and create a new generation which will hunt for further prey.

THE OUTSIDERS; As gardeners continue to veer towards organic solutions to pest problems, Hannah Stephenson looks at nematodes - and how they may go some way to tackling difficult pests such as vine weevil and slugs

In earlier tests, they first sprayed nematodes onto tree limbs infested with lesser peachtree borers and then applied the fire gel over them.

A better way to apply beneficial nematodes

The secretions, from nematode dorsal and sub-ventral glands, facilitate the migration of the nematode through induced expression levels of plant genes encoding for the cell wall degrading and modifying enzymes such as cellulases, expansins, glucanases and pectate lyases (Wyss and Grundler 1992; Golinowski et al., 1996; Smant et al., 1998; Goellner et al., 2001; Wieczorek et al., 2006; Abad et al., 2008).

Plant-nematode Interactions: From Genomics to Metabolomics

javanica were the most widespread root-knot nematode species in all the countries.

Root-Knot Nematodes Infecting Okra in Major Vegetable Growing Districts of Punjab, Pakistan

With respect to gender of the host animals, the prevalence of nematode infection was significantly higher in male as compared to female hosts (81.6% vs.

PREVALENCE OF GASTROINTESTINAL NEMATODES IN EQUINES OF BAJAUR AND MOHMAND AGENCIES, NORTH-WEST PAKISTAN

Among this apparent nematode diversity, we decided to concentrate our efforts in characterizing specimens from the newly described species Sclerorhabditis neotropicalis employing both scanning electron microscopy and phylogenetic analyses.

Detection, ultrastructure and phylogeny of Sclerorhabditis neotropicalis (Nematoda: Rhabditidae) nematodes associated with the Azteca ant-Cecropia tree symbiosis

Measurements were made on the plant growth parameters (shoot length, fresh and dry shoot and root weight) observations were made on the root population of nematode viz., Number of galls per plant, Number of egg masses per plant, Number of eggs per egg mass, Final nematode population per pot.

Bio-management of Cucumber Wilt Complex Caused by Root-knot Nematode, Meloidogyne incognita and Fusarium oxysporum f. sp. cucumerinum in Polyhouse under Protected Cultivation

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