Iris yellow spot virus (IYSV), transmitted by Thrips tabaci, is an economically important viral pathogen of bulb and seed onion crops in many onion-growing areas of the world. In Africa, IYSV has been reported in Reunion and South Africa. In September 2009, symptoms suspected to be caused by IYSV...
Author(s)
Birithia, R.; Subramanian, S.; Pappu, H. R.; Sseruwagi, P.; Muthomi, J. W.; Narla, R. D.
Publisher
American Phytopathological Society (APS Press), St. Paul, USA
Citation
Plant Disease, 2011, 95, 9, pp 1195-1196
The rapid geographical expansion of the cassava mosaic disease (CMD) pandemic, caused by cassava mosaic geminiviruses, has devastated cassava crops in 12 countries of East and Central Africa since the late 1980s. Region-level surveys have revealed a continuing pattern of annual spread westward and...
Author(s)
Legg, J. P.; Jeremiah, S. C.; Obiero, H. M.; Maruthi, M. N.; Ndyetabula, I.; Okao-Okuja, G.; Bouwmeester, H.; Bigirimana, S.; Tata-Hangy, W.; Gashaka, G.; Mkamilo, G.; Alicai, T.; Kumar, P. L.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Virus Research, 2011, 159, 2, pp 161-170
A new distribution map is provided for Sweet potato mild mottle virus, Potyviridae: Ipomovirus. Hosts: sweet potato (Ipomoea batatas). Information is given on the geographical distribution in Africa (Burundi, Kenya, Tanzania, Uganda), Oceania (New Zealand). It is transmitted in a persistent manner...
Publisher
CABI, Wallingford, UK
Citation
Distribution Maps of Plant Diseases, 2009, No.October, pp Map 1070 (Edition 1)
ICGV-SM 90704 is a high-yielding medium-duration groundnut germplasm developed at ICRISAT, Lilongwe, Malawi. It was derived from a cross between varieties RG1 and Mani Pintar, made in 1983. It was released in Uganda in 1999 as Serenut 2 and in Malawi in 2000 as ICGV-SM 90704. ICGV-Sm 90704 is...
Author(s)
Merwe, P. J. A. van der; Subrahmanyam, P.; Hildebrand, G. L.; Reddy, L. J.; Nigam, S. N.; Chiyembekeza, A. J.; Busolo-Bulafu, C. M.; Kapewa, T.
Publisher
International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), Patancheru, India
Citation
International Arachis Newsletter, 2001, No.21, pp 19-20
Maize streak, incited by maize streak monogeminivirus (MSV), is a major disease limiting maize (Zea mays) production over widespread areas of Africa. To understand the genetic basis of tolerance to MSV, recombinant inbred lines (RILs) derived from the cross of the MSV tolerant inbred Tzi4 with the...
Author(s)
Kyetere, D. T.; Ming, R.; McMullen, M. D.; Pratt, R. C.; Brewbaker, J.; Musket, T.
Citation
Genome, 1999, 42, 1, pp 20-26
Insects have been shown to serve as vectors for a wide array of fungi. In some cases, insect-vectored fungi produce potent toxins in the host plant, which might create problems for the food industry. Recent findings indicate that the coffee berry borer, Hypothenemus hampei (Ferrari) could be...
Author(s)
Vega, F. E.; Mercadier, G.; Dowd, P. F.
Publisher
Association Scientifique Internationale du Café (ASIC), Paris, France
Citation
Dix-huitième Colloque Scientifique International sur le Café, Helsinki, Finland, 2-8 août 1999., 1999, pp 229-238