Abstract
The tobacco whitefly,Bemisia tabaci Gennadius, was found to differentiate between pH values at the leyel of 0.25. It had a clear preference for media with pH values of 6.0 to 7.25 offeredin vitro, in both choice and no-choice situations, when “resting whiteflies” or survival was measured. The whiteflies showed a clear preference for a sucrose concentration of 15%. The addition of 10% sucrose to buffers at various pH values did not change the pattern of their pH preference. Inin vivo experiments whiteflies preferred old cotton leaves (120 days) to younger leaves (60 days). The pH of old leaves was 6.8 while that of young leaves was 5.9. These results may explain the fact that whiteflies attacked cotton plants in commercial fields only late in the season, when the pH values of the cotton leaves exceeded pH 6.
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References
Auclair, J.L. (1967) Effects of pH and sucrose on rearing the cotton aphid,Aphis gossypii, on a germ-free and holidic diet.J. Insect Physiol. 13: 431–446.
Avidov, Z. (1956) Bionomics of the tobacco whitefly (Bemisia tabaci Gennad.) in Israel.Ktavim 7: 25–41.
Caldwell, P.C. (1956) Intercellular pH.Int. Rev. Cytol. 4: 229–277.
Cohen, S. (1967) The occurrence in the body ofBemisia tabaci of a factor apparently related to the phenomenon of “periodic acquisition” of tomato yellow leaf curl virus.Virology 31: 180–183.
Fife, J.M. and Frampton, V.L. (1936) The pH gradient extending from the phloem into the parenchyma of the sugar beet and its relation to the feeding behavior ofEutettix tenellus.J. agric. Res. 53: 581–593.
Fowler, H.D. (1956) Some physiological effects of attack by whitefly (Bemisiagossypiperda) and of spraying parathion on cotton in the Sudan Gezira.Emp. Cott. Grow. Rev. 33: 288–299.
Gerling, D., Motro, U. and Horowitz, R. (1980) Dynamics ofBemisia tabaci (Gennad.) attacking cotton in the coastal plain of Israel.Bull. ent. Res. 70: 213–219.
Hale, L.J. (1965) Biological Laboratory Data. Science Paperbacks and Methuen & Co. Ltd., London.
Hussein, M.A., Puri, A.N. and Trehan, K.N. (1936) Cell sap acidity and the incidence of whiteflyBemisia gossypiperda on cotton.Curr. Sci. 4: 486–487.
Hussein, M.A. and Trehan, K.N. (1933) Observations on the life history, bionomics and control of the whitefly of cotton.Indian J. agric. Sci. 3: 701–753.
Mound, L.A. and Halsey, S.H. (1978) Whitefly of the World. A Systematic Catalogue of the Aleyrodidae (Homoptera), with Host Plant and Natural Enemy Data. British Museum (Natural History) and John Wiley and Sons, Chichester.
Southwood, T.R.E. (1973) The insect/plant relationship — an evolutionary perspective.in: Van Emden, H.F. [Ed.] Insect/Plant Relationships. Symp. Royal Entomol. Soc. London No. 6, pp. 3–30. Blackwell Scientific Publications, Oxford.
Verschoor van der Poel, P.J.G. and van Lenteren, J.C. (1978) Host plant selection by the greenhouse whiteflyTrialeurodes vaporariorum (Homoptera: Aleyrodidae).Meded. Fac. Landbouww. Rijksuniv. Gent. 43: 387–396.
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Berlinger, M.J., Magal, Z. & Benzioni, A. The importance of pH in food selection by the tobacco whitefly,Bemisia tabaci . Phytoparasitica 11, 151–160 (1983). https://doi.org/10.1007/BF02980686
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DOI: https://doi.org/10.1007/BF02980686