Heterodera kirjanovae

 

Contents

  

Rev 10/31/2023

Kirjanova's Cyst Nematode Classification Hosts
Morphology and Anatomy Life Cycle
Return to Heterodera Menu Economic Importance Damage
Distribution Management
Return to Heteroderidae Menu Feeding  References
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Classification:

Tylenchida
       Tylenchina
        Tylenchoidea
         Heteroderidae
          Heteroderinae

           Heterodera kirjanovae Narbaev, 1988

 Probably a member of the Goettingiana group of Heterodera spp.

Synonyms:
    

Review general characteristics of the genus Heterodera.

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Morphology and Anatomy:

General Characteristics of the Goettingiana Group of Heterodera

Cysts lemon-shaped
Ambifenestrate
Bullae absent or present
Underbridge weak
Vulval slit long
J2 incisures 4
Dicotyledonous hosts

(Handoo and Subbotin, 2018; Subbotin et al., 2010, Subbotin et al. 2023)

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Females:

  • Lemon-shape

Cysts:

  • Lamon-shaped, light brown color
  • Ambifenestrate vulval cone
  • Underbridge absent
  • Bullae absent or weak

Ref: Subbotin et al., 2010

Males:  

  • Vermiform
  • Lateral field with 4 incisures
  • Spicules slightly curved.

Second-stage juveniles

  • Labial region with 4 annuli
  • Lateral field with 4 incisures.
  • Stylet knobs projecting anteriorly

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


Reported from Tianan Birch (Betula tianschanica) along the banks of the Aksak-Ata River and other locations in Uzbekistan.


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Economic Importance:

 

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Feeding:


      

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Hosts:

Reported from a woody perennial tree, Tianan Birch (Betula tianschanica).
 
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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Damage:

 

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Management:

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:

Handoo, Z.A., Subbotin, S.A. 2018. Taxonomy, identification and principal species. Chapter 15 in Perry, R.N. Moens, M., and Jones, J.T.(eds)  Cyst Nematodes. CAB International.

Subbotin, S,A., Mundo-Ocampo, M., Baldwin, J.G. 2010. Systematics of Cyst Nematodes (Nematode: Heteroderinae). Nematology Monographs and Perspectives Volume 8B, D.J. Hunt and R.N. Perry (eds) Brill, Leiden, The Netherlands 512p

Subbotin, S.A., Roubtsova, T.V., Bostock, R.M., Maafi, Z.T., Chizhov, V.N., Palomares-Rius, J.E., Pablo Castillo, P. 2023. DNA barcoding, phylogeny and phylogeography of the cyst nematode species of the Schachtii group from the genus Heterodera (Tylenchida: Heteroderidae). Nematology (in press).

 

 

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