REFERANCES:
Atiri, G. I., E.J.A Ekpo,.and G.Thottappilly. (1984). The effect of aphid-resistance in cowpea on infestation and development of Aphis craccivora and the transmission of cowpea aphid-borne mosaic virus. Ann. App. Bio., 104: 339-346.
Azab, A.K., M.M.Megahed, and D.H.El-Mirawi. (1971). On the biology of Bemisia tabaci (Genn.) (Homoptera: Aleyrodidae). Bull. Entomol. Soc. Egypt,55: 305-315.
Birch, L.C. (1948). The intrinsic rate of natural increase of an insect population. J. Anim. Ecol., 17: 15-26.
Burtler, G.D., Jr., T.J.Hennberry, and T. E. Clayton. (1983). Bemisia tabaci (Homoptera: Aleyrodidae): development, oviposition, and longevity in relation to temperature. Ann. Entomol. Soc. 76: 310-313.
Jackai, L.E.N. & Daoust, R.A.. (1986). Insect pests of cowpeas. ARE, 31: 95-119.
Painter, R.H. (1951). Insect resistance in crop plants. Macmillan, New York.
Raheja, A.K. and O.I. Leleji. (1974). An aphid-borne virus disease of irrigated cowpeas in Northern Nigeria. Plant Disease Reporter, 58: 1080-1084.
Siddiqui, W.H. and C. A. Barlow. (1973). Effects of some constant and alternating temperatures on population growth of the pea aphid, Acyrthosiphon pisum (Homoptera: Aphididae). Can. Ent. 105: 145-156.
Singh, S.R. and H.F. Van Emden. (1979). Insect pests of grain legumes. ARE, 24: 255-278.
Singh, S.R. (1987). Host plant resistance for cowpea insect pest management. Insect Science and Its Application, 8: 765-769.
Van Lentern, J.G. and L. P. J. J. Noldus. (1990). Whitefly-plant relationships behavioral and ecological aspects. pp.47-89. In D. Gerling (ed.): whiteflies: their bionomics, pest status and management. Intercept. Andover, Hampshire, England.