Author
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Handoo, Zafar |
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SUBBOTIN, SERGEI - California Department Of Food And Agriculture |
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Submitted to: Book Chapter
Publication Type: Book / Chapter Publication Acceptance Date: 2/21/2017 Publication Date: 4/30/2018 Citation: Handoo, Z.A., Subbotin, S.A. 2018. Taxonomy, identification and principal species. In: Perry, R.N., Moens, M. and Jones, J.T. editors. Cyst Nematodes. Wallingsford, Oxfordshire, UK: CABI. p. 365-398. Interpretive Summary: Technical Abstract: Although cyst nematodes (Heterodera, Globodera, Punctodera, Cactodera, Dolichodera, Betulodera, Paradolichodera, and Vittatidera species) can reduce crop yield worldwide, methods for their identification are often difficult to implement. This review summarizes the diagnostic morphological and brief molecular features for distinguishing the twenty-six major previously described cyst nematode species around the world associated with various economically important crops from several closely related cyst nematode species in the above mentioned genera, including their hosts and geographic distribution. Drawings and images of important diagnostic characters of all the life stages (females, males, and juveniles) illustrating these key features are given. In addition, a detailed historical background, updated systematic position, list of valid species and synonyms, and an amended diagnosis of these genera, with brief information on various techniques for species identification, are discussed. The general techniques for killing, fixing, processing, mounting using cone mounts, root staining, and scanning electron microscopy are presented, together with descriptions of diagnostic characters, conclusions and future prospects in cyst nematode taxonomy and diagnostics. |
