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Aphid (Aphis craccivora Koch) is a major pest of cowpea [Vigna unguiculata (L.) Walp.] particularly in the drier regions of the tropics. It causes direct damage by feeding on the plants and also transmits viruses. Several sources of resistance to cowpea aphid have been identified and efforts are ...


Bata, H.D.Singh, B.B.Singh, S.R.Ladeinde, T.A.O.[Inheritance of resistance to aphid in cowpea]Inheritance of resistance to aphid in cowpea

The feeding activity of Aphis craccivora (Koch) was monitored on cowpea plants of aphid‐susceptible (Vita 7) and aphid‐resistant (TVu 801) cultivars, using an AC electronic feeding monitoring system. Waveforms corresponding to salivation, phloem ingestion and non‐phloem ingestion were observed. A...


Mesfin, T.Thottappilly, G.Singh, S.R.[Feeding behaviour of Aphids craccivora (Koch) on cowpea cultivars with different levels of aphid resistance]Feeding behaviour of Aphids craccivora (Koch) on cowpea cultivars with different levels of aphid resistance

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