Effect of variety differences on growth, reproduction and survival of black broad bean aphid Aphis fabae Scop. (Homoptera: Aphididae) (in Iraq)
1985
Younis, M.A. | Abid, M.K. | Hamoudi, R.F. (Baghdad Univ., Baghdad (Iraq). Coll. of Agriculture)
The study was carried out during the season on three broad bean Vicia faba L. varieties 121 FAO, 268 FAO and Quaderchi, differing in degree of infestation with black broad bean aphid Aphis fabae Scop. The study aimed at finding the effect of varietal differences on the biology of this insect. It was found that rate of growth, reproduction and survival of the insect were significantly affected by variety at the same temperature and relative humidity. Chemical analysis of plants showed a relation between some constituents (particulary protein and nitrogen) and the rate of development and reproduction of the insect. The variety which is highly infested with the insect showed higher nitrogen and protein content
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