Selecciona los documentos para visualizarlos
Nombre del archivo | Ver recurso |
---|
Se han encontrado 102 recursos
A bacterial wilt of cassava was observed in several areas of Nigeria in 1972. Symptoms and pathogen characteristics are similar to those of a cassava disease in South America caused by Xanthomonas manihotis. The disease is likely to be economically important in West Africa.
A banana streak virus disease survey was conducted in 25 districts in 3 of the 6 plantain growing regions of Ghana in 2001. A total of 40 farms were evaluated for the presence of the disease in each region. Triple antibody Sandwich-enzyme-Linked Immunosorbent Assay (ELISA) technique was used in t...
Nigeria is the only country in West Africa where soybean rust, caused by Phakopsora pachyrhizi, has been officially reported (1). During a disease survey in Ghana during October 2006, soybean (Glycine max) leaves with rust symptoms (tan, angular lesions with erumpent sori exuding urediniospores) ...
Cassava brown streak disease (CBSD) has been a problem in Tanzania since 1936. Existing literature indicated limited distribution of the disease to low altitudes, usually <100 m above sea level, but the current geographical distribution of the disease was not known. Whether a single or many strai...
Selecciona los documentos para visualizarlos
Nombre del archivo | Ver recurso |
---|