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Twelve cassava (Manihot esculenta Crantz) genotypes were planted under natural field conditions for two different cropping seasons (wet and dry), in 1992 and 1993 at the research farm of the International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria. The trial studied the effect of p...


Fokunang, C.N.Akem, C.N.Ikotun, T.Dixon, Alfred G.O.[Effect of planting season on cassava anthracnose disease development]Effect of planting season on cassava anthracnose disease development
Akem, C.N.Dashiell, Kenton E.[Evaluation of soybean cultivars for field resistance to frogeye leaf spot and bacterial pustule in Nigeria]Evaluation of soybean cultivars for field resistance to frogeye leaf spot and bacterial pustule in Nigeria

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 ...


Akem, C.N.Akueshi, C.O.Uwala, O.A.Dashiell, Kenton E.[Outbreak of red leaf blotch caused by Dactuliochaeta glycines, on soybeans in Nigeria]Outbreak of red leaf blotch caused by Dactuliochaeta glycines, on soybeans in Nigeria
Akem, C.N.Akueshi, C.O.Agina, S.M.Dashiell, Kenton E.[Pyrenochaeta glycines, a threat to soybean cultivation in Nigeria]Pyrenochaeta glycines, a threat to soybean cultivation in Nigeria

Cassava anthracnose disease (CAD) caused by the fungus Colletotrichum gloeosporioides f.sp. manihotis has become one of the major economic diseases of cassava in Africa. The expansion of cassava production farmlands particularly in the humid rainfall zones of West and Central Africa has led to an...


Fokunang, C.N.Dixon, Alfred G.O.Ikotun, T.Tembe-Fokunang, E.A.Akem, C.N.Asiedu, Robert[Anthracnose: an economic disease of cassava in Africa]Anthracnose: an economic disease of cassava in Africa

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.


Akem, C.N.Dashiell, Kenton E.[Sclerotinia stem rot caused by Sclerotinia Sclerotiorum on soybeans in Nigeria]Sclerotinia stem rot caused by Sclerotinia Sclerotiorum on soybeans in Nigeria

This study was conducted to investigate a cheap and readily available alternative control measure for cassava anthracnose disease causal agent (Colletotrichum gloeosporioides f. sp. manihotis), through the use of antimicrobial crude plant extracts such as neem (Azadirachta indica), bitter leaf (V...


Fokunang, C.N.Akem, C.N.Ikotun, T.Dixon, Alfred G.O.[Efficacy of antimicrobial plant crude extracts on the growth in Colletotrichum gloeosporiodes f. sp. manihotis]Efficacy of antimicrobial plant crude extracts on the growth in Colletotrichum gloeosporiodes f. sp. manihotis

Fifty-three cassava lines were selected from breeding populations at the International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria and screened in vitro for resistance to cassava anthracnose disease (CAD). The in vitro inoculation of stem cuttings with the fungus Colletotrichum gloe...


Fokunang, C.N.Dixon, Alfred G.O.Ikotun, T.Asiedu, RobertTembe-Fokunang, E.A.Akem, C.N.[In vitro, greenhouse, and field assessment of cassava lines for resistance to anthracnose disease caused by colletotrichum gloeosporiodes f. sp. Manihotis]In vitro, greenhouse, and field assessment of cassava lines for resistance to anthracnose disease caused by colletotrichum gloeosporiodes f. sp. Manihotis

Nineteen peanut genotypes were evaluated for resistance to Sclerotinia blight caused by Sclerotinia minor in small field plots at Stillwater, Oklahoma, USA, in 1986, 1987 and 1988. Entries were arranged in a completely randomized block design in field plots with four replications. Average disease...


Akem, C.N.Melouk, H.A.Smith, O.D.[Field evaluation of peanut genotypes for resistance to Sclerotinia blight]Field evaluation of peanut genotypes for resistance to Sclerotinia blight

Thirteen cassava genotypes were evaluated at the International Institute of Tropical Agriculture, Ibadan, Nigeria for anthracnose (CAD), bacterial blight (CBB) and cassava mosaic disease (CMD) incidence and severity, and their effects on yield, for three consecutive planting seasons. There were s...


Fokunang, C.N.Ikotun, TDixon, Alfred G.O.Akem, C.N.[Field reaction of cassava genotypes to anthranose, bacterial blight, cassava mosaic disease and their effects on yield]Field reaction of cassava genotypes to anthranose, bacterial blight, cassava mosaic disease and their effects on yield

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