Cone-top morphology of the white females and cysts of the genus Heterodera (subgenus Heterodera), a cyst-forming nematode
- 1 January 1974
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Zoology
- Vol. 52 (1) , 77-81
- https://doi.org/10.1139/z74-012
Abstract
Comparative studies with the scanning electron and interference contrast microscopes of white females and cysts provided new information for identification of species of the genus Heterodera (subgenus Heterodera). Most significant was the differences found in the development of the underbridge and bullae of several economically important species. Differences in vulval cone and fenestral structures of the white female provided additional information for the separation of species.Keywords
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