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Rossel, H.W.Asiedu, RobertDixon, A.[Resistance of cassava to African cassava mosaic virus: what really pertains]Resistance of cassava to African cassava mosaic virus: what really pertains
Thottappilly, G.Ng, N.Q.Rossel, H.W.[Screening germplasm of Vigna vexillata for resistance to cowpea mottle virus]Screening germplasm of Vigna vexillata for resistance to cowpea mottle virus
Thottappilly, G.Rossel, H.W.[Identification and characterization of viruses infecting bambara groundnut ( Vigna subterranea) in Nigeria]Identification and characterization of viruses infecting bambara groundnut ( Vigna subterranea) in Nigeria

Five potyvirus isolates from various cowpea-producing areas (Guinea and Sudan savannas and forest zones) in Nigeria were identified by serology and infectivity tests as BlCMV (Isolates IT15, IT16 and WC) or as CAMV (isolates IT11 and ZARIA) and compared with the standard isolate of blackeye cowpe...


Gumedzoe, M.Y.Rossel, H.W.Thottappilly, G.Asselin, A.Huguenot, C.[Reaction of cowpea (Vigna unguiculata L. Walp.) to six isolates of blackeye cowpea mosaic virus (BlCMV) and cowpea aphidborne mosaic virus (CAMV), two potyviruses infecting cowpea in Nigeria]Reaction of cowpea (Vigna unguiculata L. Walp.) to six isolates of blackeye cowpea mosaic virus (BlCMV) and cowpea aphidborne mosaic virus (CAMV), two potyviruses infecting cowpea in Nigeria

The aleyrodid Aleurodicus dispersus is reported from Nigeria. The first observation was made on cassava in early 1992 at several locations in Ibadan. A survey carried out in January 1993 revealed that several genera, many of them important food and ornamental crops, are food plants of the insect.


Akinlosotu, T.A.Jackai, L.E.N.Ntonifor, N.Hassan, A.Agyakwa, C.W.Odebiyi, J.Akingbohungbe, A.E.Rossel, H.W.[Spiralling whitefly, Aleurodicus dispersus in Nigeria]Spiralling whitefly, Aleurodicus dispersus in Nigeria

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