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Population build-up and comparative biology of corn leaf aphid, Rhopalosiphum maidis (Fitch) on wheat and barley



Population build-up and comparative biology of corn leaf aphid, Rhopalosiphum maidis (Fitch) on wheat and barley



Journal of Insect Science 12(1): 41-45



The reproductive period and fecundity of corn leaf aphid Rhopalosiphum maidis (Fitch) were found to be significantly higher on barley as compared to wheat, whereas differences in nymphal duration, pre- and post-reproductive periods and mean reproductive potential were found to be non-significant. There were eight overlapping generations of the aphid on wheat and ten on barley. On both the crops, highest population build-up was found around mid-March at heading stage. Wheat, barley, oats, maize and sugarcane were observed as hosts of this aphid, barley being most preferred one.

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Accession: 003888714

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