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1 August 2015 Distribution of Bemisia tabaci Genetic Groups in India
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Abstract

The whitefly Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae) is a phloem-feeding, economically important pest of crops worldwide. In addition to direct damage, it also vectors a number of plant viruses belonging to the family Geminiviridae. Its populations differ biologically with respect to insecticide resistance, virus transmission and host range. Therefore, understanding genetic variation among populations is important for management. We sequenced 850 bp of the mitochondrial COI (mtCOI) gene from B. tabaci populations surveyed across India. BLAST analysis of the mtCOI sequences generated in this study with sequences from the mtCOI dataset showed the presence of one invasive group, MEAM1, and eight other groups of B. tabaci in India. mtCOI sequence analyses showed the presence of Asia I, Asia I-India, Asia II-1, Asia II-5, Asia II-7, Asia II-8, and Asia II-11 genetic groups. We also found China-3 in a field in Birbhum district, West Bengal, India, suggesting a role of anthropogenic activities in the distribution of B. tabaci. Interestingly, more than one genetic group was found coexisting in the same field.

© The Authors 2015. Published by Oxford University Press on behalf of Entomological Society of America.
R. Ellango, Shalini Thakur Singh, Vipin Singh Rana, N. Gayatri Priya, Harpreet Raina, Rahul Chaubey, N. C. Naveen, Riaz Mahmood, V. V. Ramamurthy, R. Asokan, and R. Rajagopal "Distribution of Bemisia tabaci Genetic Groups in India," Environmental Entomology 44(4), (1 August 2015). https://doi.org/10.1093/ee/nvv062
Received: 19 September 2014; Accepted: 21 March 2015; Published: 1 August 2015
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