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A number of improved varieties have been developed by the International Institute of Tropical Agriculture (IITA), combining diverse plant type with resistance or tolerance to several diseases, insect pests, and parasitic weeds and possessing other good agronomic traits. Trials were established wi...


Kamara, A.Y.Ellis-Jones, J.Ekeleme, F.Omoigui, L.O.Amaza, P.Chikoye, D.Dugje, I.Y.[A participatory evaluation of improved cowpea cultivars in the Guinea and Sudan savanna zones of north east Nigeria]A participatory evaluation of improved cowpea cultivars in the Guinea and Sudan savanna zones of north east Nigeria
Dugje, I.Y.Ekeleme, F.Kamara, A.Y.Omoigui, L.O.Tegbaru, A.Teli, I.A.Onyibe, J.E.[Guide to safe and effective use of pesticides for crop production in Borno State, Nigeria]Guide to safe and effective use of pesticides for crop production in Borno State, Nigeria
Dugje, I.Y.Onyibe, J.F.Ekeleme, F.Kamara, A.Y.Tegbaru, A.Omoigui, L.O.Bassi, S.A.[Guide to certified seeds production in Borno State, Nigeria]Guide to certified seeds production in Borno State, Nigeria

Striga hermonthica (L) Moench, a parasitic weed species, is a major constraint to sorghum production in the savanna zones of north-eastern Nigeria. The aim of this study was to assess the influence of farmer practices on Striga infestation of sorghum fields in the region. Random sampling techniqu...


Dugje, I.Y.Kamara, A.Y.Omoigui, L.O.[Assessment of farmers' crop management practices influencing Striga hermonthiea infestation and grain yield of sorghum (Sorghum hieolor)]Assessment of farmers' crop management practices influencing Striga hermonthiea infestation and grain yield of sorghum (Sorghum hieolor)

Striga hermonthica is a serious biotic constraint to sorghum production in the dry savannas of subSaharan Africa but the use of improved cultivars and appropriate planting dates may help to control the weed. A two year trial was conducted to evaluate the effect of sowing dates on four sorghum cul...


Ekeleme, F.Kamara, A.Y.Omoigui, L.O.Chikoye, D.Dugje, I.Y.Tegbaru, A.[Effect of sowing date on Striga infestation and yield of sorghum (Sorghum bicolor [L.] Moench) cultivars in the Sudan savanna of northeast Nigeria]Effect of sowing date on Striga infestation and yield of sorghum (Sorghum bicolor [L.] Moench) cultivars in the Sudan savanna of northeast Nigeria

Sorghum (Sorghum bicolor [L.] Moench) is one of the most important cereal crops grown in the dry savannas and semi-arid regions of West Africa under rain-fed conditions. Although total sorghum production in Nigeria has increased over the years, the average grain yield on farmers' fields has remai...


Kamara, A.Y.Ekeleme, F.Omoigui, L.O.Menkir, A.Chikoye, D.Dugje, I.Y.[Response of exotic sorghum (Sorghum bicolor [L.] Moench) cultivars to planting date under natural infestation of Striga hermonthica (Del) Benth. in the Sudan savanna zone of northeast Nigeria]Response of exotic sorghum (Sorghum bicolor [L.] Moench) cultivars to planting date under natural infestation of Striga hermonthica (Del) Benth. in the Sudan savanna zone of northeast Nigeria

Striga gesnerioides is considered a major constraint to improving cowpea productivity in the semi arid region of Africa. A field survey was conducted in a farmer participatory process in 100 cowpea fields to determine farmers’ crop production practices that influence infestation by the parasitic ...


Dugje, I.Y.Kamara, A.Y.Ekeleme, F.[Evaluation of farmers crop production practices that determine Striga gesnerioides infestation of cowpea fields in Nigerian savannas]Evaluation of farmers crop production practices that determine Striga gesnerioides infestation of cowpea fields in Nigerian savannas

Striga hermonthica parasitism is a major constraint limiting Sorghum productivity in the Nigerian savanna. Field experiments were conducted in 2005 and 2006 rainy seasons to evaluate the response of sorghum varieties to striga infestation. A randomised complete block design was used to screen 12 ...


Dugje, I.Y.Ekeleme, F.Kamara, A.Y.Menkir, A.Chikoye, D.Omoigui, L.O.[Field evaluation of sorghum varieties to Striga hermonthica infestation in north eastern Nigerian savannas]Field evaluation of sorghum varieties to Striga hermonthica infestation in north eastern Nigerian savannas

Cowpea is an important food crop in the dry savannas of West and Central Africa because of its high protein content. Yields are, however, considerably reduced by the parasitic angiosperm Striga gesnerioides. Field trials over 2 years in two localities in northeast Nigeria evaluated the performanc...


Kamara, A.Y.Chikoye, D.Ekeleme, F.Omoigui, L.O.Dugje, I.Y.[Field performance of improved cowpea varieties under conditions of natural infestation by the parasitic weed Striga gesnerioides]Field performance of improved cowpea varieties under conditions of natural infestation by the parasitic weed Striga gesnerioides

Cowpea is an important food legume and versatile crop in the savannas of northeast Nigeria. Despite the high potential for production in this region, insect pests are a major constraint. A study was conducted to evaluate the response of diverse cowpea genotypes to different schedules of spraying ...


Kamara, Y.Chikoye, D.Omoigui, L.O.Dugje, I.Y.[Influence of insecticide spraying regimes and cultivar on insect pests and yield of cowpea in the dry savannas of northeastern Nigeria]Influence of insecticide spraying regimes and cultivar on insect pests and yield of cowpea in the dry savannas of northeastern Nigeria

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