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Red leaf blotch, caused by Dactuliochaeta glycines (R.B. Stewart) Hartman & Sinclair (2) (= Pyrenochaeta glycines R.B. Stewart), was observed on soybeans (Glycine max (L.) Merr.) at Bukuru, near Jos in the state of Plateau, Nigeria, in 1990. Over 80% of the plants in the 4¬ha nonirrigated, sandy ...
In Aug. 1990, S. sclerotiorum was isolated from soyabean cultivars TGx 1440-1E and TGx 1627-3F at Bukuru, Plateau, Nigeria. Disease symptoms are described. This is the first report of Sclerotinia stem rot of soyabean in Nigeria and West Africa.
Three soybean [Glycine max (L.) Merr.]cultivars (Samsoy 1, TGx 1025-12E and TGx 996-26E) were evaluated for yield losses resulting from frogeye leaf spot caused by Cercospora sojina Hara. Replicated field plots were established at two locations in Nigeria that have a high natural infestation of C...
Southern blight of soyabeans caused by S. [Corticium] rolfsii, was observed for the first time in Nigeria, in field nurseries at Bukuru, near Jos in the Plateau State, in 1989. Over 40% of plants in plots of the cultivar TGx 1025-12E were blighted 2 weeks after the plots had been rogued to elimin...
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