Journal of Applied and Natural Science 6 (2): 393-396 (2014)
Specific identification, biology and symptoms of whitefly species infesting
sunflower in South India.
V. N. Ghante, L. Rajesh Chowdary*, M. R. Govindappa, M. Bheemanna and Arunkumar
Department of Agril. Entomology, Main Agricultural Research Station, University of Agricultural Sciences,
Raichur (Karnataka), INDIA
*Corresponding author. E-mail: email@example.com
Abstract : Whitefly species related to sunflower was identified as Bemisia tabaci (Gennadius). Further the identified
whitefly species was confirmed to be indigenous B. tabaci on molecular basis by using B-biotype specific SCARs
and biological silver leaf assay on sensitive pumpkin (cv Big variety). None of the whitefly samples could positive for
the presence of B biotype. The results of the study on the pest life cycle under the laboratory conditions showed
that, B. tabaci passed through four nymphal instars before the adult stage. The mean duration values of these
stages were 5.6, 4.2, 4.4 and 5.6 days respectively. The total duration of the life cycle of B. tabaci ranged from 23-
42 days at the temperature of 29±2°C with a mean of 34.5. The damage to sunflower crop caused by the whitefly
species is discussed with a special emphasis on its ability to transmit leaf curl viral disease.
Keywords :Bemisia tabaci, Indigenous, Leaf curl viral disease, Sunflower, Vector, Whitefly.