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Demography of the Bird Cherry-oat Aphid, (Rhopalosiphum padi L.) (Hemiptera: Aphididae) on Different Barley Varieties
2016
J. Agr. Sci. Tech
unpublished
Life table parameters of the bird cherry-oat aphid, (Rhopalosiphum padi L.) were determined on different barley (Hordeum vulgare L.) varieties. Experiments were carried out under laboratory condition of 26±1ºC, 65±5% RH and photoperiod of 16:8 (L:D) hours. Newborn first instar nymphs of the same age were reared on the leaves of six barley varieties using leaf cages. Nymphal development time, mortality, longevity and adult fecundity were recorded daily. Nymphal survivorship varied from 71% to
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