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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

In Africa, sorghum downy mildew (SDM), caused by Peronosclerospora sorghi, infects both sorghum and maize. Systemic infection can result in severe yield loss. The effects of seed treatments and foliar sprays of metalaxyl on the disease were determined on maize in Nigeria (1992) and sorghum in Zim...


Bock, C.H.Jeger, M.J.Cardwell, K.F.Mughogho, L.K.Sherington, J.[Control of sorghum downy mildew of maize and sorghum in Africa]Control of sorghum downy mildew of maize and sorghum in Africa

The effect of the environment on the germination, survival and infection of sorghum by conidia of Peronosclerospora sorghi is unknown in Africa. Dew point temperature, and the effect of conidium age was characterized for an isolate of P. sorghi from Zimbabwe. Germination and germ tube growth took...


Bock, C.H.Jeger, M.J.Mughogho, L.K.Cardwell, K.F.Mtisi, E.[Effect of dew point temperature and conidium age on germination, germtube growth and infection of maize and sorghum by Peronosclerospora sorghi]Effect of dew point temperature and conidium age on germination, germtube growth and infection of maize and sorghum by Peronosclerospora sorghi

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