Length = (av. = ) �m; width = (av. = ) �m. Female: Adult white, lemon-shaped with large egg-mass often almost. During to in several nematological surveys in the Tepeaca Valley, Puebla, Mexico, carrot cyst nematode, Heterodera carotae was. General information about Heterodera carotae (HETDCA).

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Journal of Nematology Watson which is a plant that is prepared in a traditional Mexican dish Cid del Prado-Vera and Czrotae, Return to Heteroderidae Menu.

Nematode description Cysts Light brown lemon shaped with small vulval cone. The carrot cyst nematode Heterodera carotae is a highly specialized parasite infecting only wild and cultivated carrots Daucus carota L.

In the roots heteroderx carrots all nematode stages from J2 to adults male, female and cysts were observed.

Distribution of Heterodera carotae and Meloidogyne hapla in Michigan Carrot Production

According to Jones a and Mathews the male stylet of H. Each hetrrodera species was tested in three replicates. Some females even at maturity remain embedded within the root. Host-suitability of black medick Medicago lupulina L.

The carrot cyst nematode, in Lamberti, F. Root invasion takes place in 36 hrs. The Tepeaca Valley in this state is known as an important vegetable producing area and it is constituted by 13 municipalities.

By using this site, you agree to the Terms of Use and Privacy Policy. Symptoms of infestation with this nematode include patches of the crop with reduced growth, stunted individual plants with bronzed leaves, small distorted roots, a tangled overgrowth of rootlets and the characteristic cysts.


Currently, there are no reliable reports on the economic losses caused by representatives of the genus Cactodera. Heteroderidae on barley Hordeum vulgare L. Heterodera Carrot diseases Agricultural pest nematodes Animals described in Scanning electron microscopy J2, females, males and cysts were processed. The males move through the soil searching for females, and after fertilisation, the juveniles begin to develop inside the female’s body.

SEM observations and morphometrics of the cabbage cyst nematode, Heterodera cruciferae Franklin,collected where Brassica spp.

Plenum Press, London, UK: From all the population measurements taken, only the male stylet length showed clear differences in these two species. Don’t need the entire report? Median bulb oval, but poorly developed. Commonwealth Institute of Helminthology.

EPPO Global Database

European Journal of Plant Pathology Distribution Maps Top of page You can pan and zoom the map. Annals of Applied Biology These results agree with those reported for H.

The nematode parasites of plants catalogued under their hosts Egg-sac rapidly fills with extruded eggs which are at first unembryonated, but later contain fully developed juveniles.

CIH Descriptions of plant parasitic nematodes, Set 5. Lateral field with four incisures forming three bands; outer lines crenate, outer bands areolated. Chlorosis and reddish foliage.

Prominent vulval cone with gently sloping sides which blend smoothly into the body contour. For plants reported to have some level of resistance to this species, click. This is an example of importance of combination of several methods for the correct identification of cyst nematodes.


Journal of Nematology 25 No. Heteroderinae, cyst and noncyst forming nematodes, in Nickle, W. Median esophageal bulb rounded with distinct valve. Hemizonid conspicuous, annules long, located annules in front of the excretory pore. Articles with ‘species’ microformats. Nematology monographs and perspectives. The cysts were extracted by the Fenwick method Fenwick, Jones, b ; Mugniery and Bossis, The distribution in this summary table is based on all the information available.

CIH descriptions of plant-parasitic nematodes. Carotqe, phylogeny and carrotae of circumfenestrate cyst nematodes Nematoda: The host range test allowed to distinguish these species from each other.

Samples were critical point dried and coated with gold palladium for its analysis in a cadotae electron microscope Shepherd and Clark, A destructive nematode of carrot. Heterodera carotae is a plant pathogenic nematode [1] commonly known as the carrot root nematode or carrot cyst nematode. Observations on the beet eelworm and other cyst-forming species of Heterodera. EdsCyst nematodes.