Reference Report for SoyBase73001152
| Title: | Current status of soybean diseases in Nigeria |
| Authors: | Akem, C.N. |
| Source: | Intl. J. Trop. Plant Dis. 1996, 14(2):121-134 |
| Abstract: | Soybean (Glycine max) is attacked by more than 10 pathogens in Nigeria. These include fungi, bacteria, viruses and nematodes. Frogeye leaf spot caused by Cercospora sojina is presently the most important disease. It is widely distributed throughout the soybean-growing regions of the country. Red leaf blotch caused by Dactuliochaeta glycines has also been observed on soybeans and has the potential to become a major disease of soybean as no source of resistance are presently available. Among the bacterial diseases, bacterial pustule is widespread while bacterial blight is restricted to the cool mid altitude ecologies. Sclerotinia and Sclerotium stem blights have been observed in scattered in soybean fields. Both are presently of minor importance. Several leaf spots including target leaf spot alternaria and web blight are common but not of much concern. Soybean mosaic virus, African dwarf virus and the cowpea yellow mosaic are all common but as minor diseases. Root knot nematode is the major parasitic nematode of soybeans. Its distribution and importance has been established through recent surveys. Generally, The current status of soybean diseases in Nigeria is dynamic. New Pathogens continue to be detected and existing ones are either kept under control through present research efforts or continue spreading at epidemic proportions. |
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