Meloidogyne izalcoensis




Rev 08/30/2022

El Salvador Coffee Root-knot Nematode Classification Hosts
Morphology and Anatomy Life Cycle
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           Meloidogyne izalcoensis Carneiro, Almeida, Gomes & Hernandez, 2005

a coffee root-knot nematode

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Morphology and Anatomy:



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

Second-stage juvenile

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Described from El Salvador. Also reported in Brazil, Asia and Africa.

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Economic Importance:

Reported on coffee in El Salvador (Carneiro et al., 2005). One of at least 17 species of Meloidogyne reported on coffee.


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Sedentary endoparasite.

Feeding site establishment and development typical of genus.

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Type Host: coffee (Coffea arabica).

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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Meloidogyne izalcoensis induces round galls in coffee roots with egg masses outside the galls, in cotrast to M. exigua which induces round galls with egg masses within the galls (Humphreys-Pereira et al., 2014).


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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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Carneiro, R. M.; Almeida, M. R. A.; Gomes, A. C. M.; Hernandez, A 2005. Meloidogyne izalcoensis n. sp. (Nematoda: Meloidogynidae), a root-knot nematode parasitising coffee in El Salvador. Nematology 7:819-832.

Humphreys-Pereira, D.A., Flores-Chavez, L., Gomez, M., Salazar, L. Gomez-Alpizar, L.E., Elling, A.A. 2014. Meloidogyne lopezi n.sp. (Nematode: Meloidogynidae, a new root-knot nematode�.. Nematology 16:643-661.


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Copyright © 1999 by Howard Ferris.
Revised: August 30, 2022.