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Virus diseases cause substantial yield reduction in cowpea ( Vigna unguiculata (L.) Walp) production in West and Central Africa. Improved cowpea cultivars have been developed and distributed to various national programs but these cultivars were tested only against local virus isolates. To identif...


Boxtel, J. vanSingh, B.Thottappilly, G.Maule, A.[Resistance of cowpea (Vigna unguiculata (L.) Walp.) breeding lines to blackeye cowpea mosaic and cowpea aphid borne mosaic potyvirus isolates under experimental conditions]Resistance of cowpea (Vigna unguiculata (L.) Walp.) breeding lines to blackeye cowpea mosaic and cowpea aphid borne mosaic potyvirus isolates under experimental conditions

Huit virus ont ete signrues sur Ie niebe en Afrique. Les virus du niebe sont decrits pour les basses terres hum ides et subhumides de I'Afrique occidentale ainsi que pour les wnes ecologiques d'rutitude moyenne en Mrique orientale et australe. Chaque fois que les installations sont limitees et qu...


Thottappilly, G.Rossel, H.[Les maladies virales du niebe en Afrique: Guide de recherche de lIita, No. 53]Les maladies virales du niebe en Afrique: Guide de recherche de lIita, No. 53

The survivorship, fecundity and development time (egg to adult) of Cicadulina storeyi China, C. arachidis China and C. ghaurii Dabrowski were studied at three constant temperatures (20, 25 and 30 .C). Additional tests were conducted to descriptionbe maize streak virus (MSV) transmission by C. ara...


Asanzi, M.C.Bosque Pérez, N.A.Nault, L.R.Gordon, D.T.Thottappilly, G.[Biology of Cicadulina species (Homoptera: Cicadellidae) and transmission of maize streak virus]Biology of Cicadulina species (Homoptera: Cicadellidae) and transmission of maize streak virus

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