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In field trials conducted in Nigeria during 1991-92, the factors affecting the seed dispersal of Striga spp. were evaluated. Petrolatum-coated microscope slides placed at regular intervals from S. hermonthica plants and suspended from trees at 1-, 2- and 3-m above-ground heights within and around...


Berner, D.K.Cardwell, K.Faturoti, B.Ikie, F.Williams, O.[Relative roles of wind, crop seeds, and cattle in the dispersal of Striga species]Relative roles of wind, crop seeds, and cattle in the dispersal of Striga species

Nine isolates of Peronosclerospora sorghi from maize, sorghum and wild sorghum were sampled from Zimbabwe, Zambia, Rwanda, Mozambique and Kenya. They were compared for variation in conidium and conidiophore morphology, temperature requirements for sporulation, germination and germ-tube growth and...


Bock, C.H.Jeger, M.J.Mughogho, L.K.Cardwell, K.Mtisi, E.Kaula, G.Mukansabimana, D.[Variability of Peronosclerospora sorghi isolates from different geographic locations and hosts in Africa]Variability of Peronosclerospora sorghi isolates from different geographic locations and hosts in Africa

Development of sorghum downy mildew, incited by Peronoscleospora sorghi (Weston and Uppal) C.G. Shaw, on maize, sorghum and Johnson grass was investigated at two locations in Uganda during three seasons (1994 and 1995). More sorghum downy mildew developed on the Johnson grass and sorghum than on ...


Bigirwa, G.Adipala, E.Esele, J.Cardwell, K.[Reaction of maize, sorghum and Johnsongrass to Peronosclerospora sorghi]Reaction of maize, sorghum and Johnsongrass to Peronosclerospora sorghi

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