New information on the thrips vectors of tomato spotted wilt virus in groundnut crops in India

    Palmer, J M and Reddy, D V R and Wightman, J A and Rao, G V R (1990) New information on the thrips vectors of tomato spotted wilt virus in groundnut crops in India. International Arachis Newsletter, 7. pp. 24-25. ISSN 1010-5824

    [img]
    Preview
    		 PDF - Published Version
    Download (49kB) | Preview

    Abstract

    The thrips Frankliniella schultzei was previously reported as the main vector of tomato spotted wilt virus (TSWV) on groundnut in India. However, it was discovered that specimens believed to be F. schultzei from the ICRISAT slide collection were in fact Thrips palmi, a vector of the disease in Japan. An examination of thrips in the ICRISAT slide collection revealed that Scirtothrips dorsalis, S. oligochaetus, F. schultzei and T. palmi had been present on the ICRISAT farm since 1980. Field studies conducted near Hyderabad, Andhra Pradesh, and Raichur, Karnataka, during February 1989 revealed that adults of S. dorsalis and S. oligochaetus were present in the leaf terminals, on old leaflets and in the flowers of groundnuts, while larvae were concentrated between the folded terminal leaflets. F. schultzei was present in the flowers and T. palmi in the terminal leaf buds. S. dorsalis was the most abundant species while S. oligochaetus was comparatively rare; F. schultzei and T. palmi had an irregular distribution. These species (and Megalurothrips usitatus) were used to test individuals for the presence of TSWV using dot immunobinding assay. T. palmi was positive for the virus, but viral antigens were not detected in M. usitatus and S. oligochaetus. Results with S. dorsalis and F. schultzei were inconclusive because of nonspecific reactions

    Item Type: Article
    Divisions: UNSPECIFIED
    CRP: UNSPECIFIED
    Subjects: Mandate crops > Groundnut
    Depositing User: Mr B K Murthy
    Date Deposited: 20 Apr 2013 06:35
    Last Modified: 16 Sep 2013 12:21
    URI: http://oar.icrisat.org/id/eprint/6752
    Official URL:
    Projects: UNSPECIFIED
    Funders: UNSPECIFIED
    Acknowledgement: UNSPECIFIED
    Links:
    View Statistics

    Actions (login required)

    View Item View Item
    OAR@ICRISAT is powered by EPrints 3 which is developed by the School of Electronics and Computer Science at the University of Southampton. More information and software credits.