Meloidogyne microcephala

 

Contents

 

Rev 07/02/2024

Thailand Tobacco Root-knot Nematode Classification Hosts
Morphology and Anatomy Life Cycle
Return to Meloidogyne Menu Economic Importance Damage
Distribution Management
Return to Meloidogynidae Menu Feeding  References
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Classification:

      Tylenchida
       Tylenchina
        Tylenchoidea
          Meloidogynidae
           Meloidogyninae


        Meloidogyne microcephala Cliff & Hirschmann, 1984

Review general characteristics of the genus Meloidogyne.

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Morphology and Anatomy:

 

 

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

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Distribution:

 

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Economic Importance:

 

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Feeding:

 

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Hosts:

.Type Host: tobacco (Nicotiana tabacum). In differential host tests, the host range was similar to those of Meloidogtne arenaria, Race 2; that is, hosts were tobacco, watermelon and tomato while non-hosts were peanut, pepper and cotton (Cliff and Horschmann, 1984).

North Carolina Differential Host Test
Gossypium hirsutum, Cotton (Deltapine 61)
non-host
Nicotiana tabacum
Tobacco (NC 95)
host
Capsicum annuum
Pepper (California Wonder)
non-host
Citrullus lanatus
Watermelon (Charleston Gray)
host
Arachis hypogaea
Peanut (Florunner)
non-host
Solanum lycupersicum
Tomato (Rutgers)
host

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

Chromosome number 2n=37, 74. The large number, and variability of chromosome number, are typical of species reproducing by obligate mitotic parthenogenesis. (Triantaphyllou and Hirschmann, 1997; Subbotin et al., 2021; Triantaphyllou, 1985).

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Damage:

 

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Management:

Resistance

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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References:

Cliff, G.M. and Hirschmann, H. 1984. Meloidogyne microcephala n.sp. (Meloidogynidae), a root-knot nematode from Thailand J. Nematology 16:183-193.

Subbotin, S.A. Palomares-Rius, J.E., Castillo, P. 2021. Systematics of Root-knot Nematodes (Nematoda: Meloidogynidae). Nematology Monographs and Perspectives Vol 14: D.J. Hunt and R.N. Perry (eds) Brill, Leiden, The Netherlands 857p.

Triantaphyllou, A.C.. and Hirschmann, H. 1997. Evidense of direct polyploidization in the mitotic parthenogenic Meloidogyne microcephala through doubling of its somatic chromosome number. Fundamental and Applied Nematology 20:385-391.

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Copyright © 1999 by Howard Ferris.
Revised: July 02, 2024.