A parasitic weed, Striga hermonthica (Del.) Benth., infects millions of hectares of arable land in sub-Saharan Africa, and it threatens production of cereal crops. The objectives of this study were to investigate inheritance in maize (Zea mays L.) inbred lines of tolerance and resistance to S. he...
Field screening of maize (Zea mays L.) and sorghum [Sorghum bicolor (L.) Moench] can be an efficient means of selecting for resistance to the parasitic plant Striga hermonthica (Del.) Benth. Spatial variability in natural S. hermonthica seed infestations necessitates supplemental infestation for ...
Two parasitic weeds, Striga gesnerioides (Willd.) Vatke and Alectra vogelii Benth., cause heavy yield losses in cowpea (Vigna unguiculata (L.) Walp.) throughout the semiarid regions of sub-Saharan Africa. Several sources of resistance have been identified, including B 301, a landrace from Botswan...
Singh, B.
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Emechebe, A.
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Atokple, I.
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[Inheritance of Alectra resistance in cowpea in genotype B 301]
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Inheritance of Alectra resistance in cowpea in genotype B 301
Striga hermonthica (Del.) Benth. is an obligate, root-parasitic, flowering plant that limits cereal production in sub-Saharan Africa.Successful control depends on eliminating its seed reserves in soil, thereby preventing parasitism. Striga hermonthica seeds germinate only if adequately conditione...
Ahonsi, M.O.
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Berner, D.K.
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Emechebe, A.M.
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Lagoke, S.T.O.
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Sanginga, N.
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[Potential of ethyleneproducing pseudomonads in combination with effective N2fixing bradyrhizobial strains as supplements to legume rotation for the control of Striga hermonthica]
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Potential of ethyleneproducing pseudomonads in combination with effective N2fixing bradyrhizobial strains as supplements to legume rotation for the control of Striga hermonthica
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.
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Kamara, A.Y.
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Omoigui, L.O.
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Chikoye, D.
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Dugje, I.Y.
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Tegbaru, A.
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[Effect of sowing date on Striga infestation and yield of sorghum (Sorghum bicolor [L.] Moench) cultivars in the Sudan savanna of northeast Nigeria]
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Effect of sowing date on Striga infestation and yield of sorghum (Sorghum bicolor [L.] Moench) cultivars in the Sudan savanna of northeast Nigeria
Striga hermonthica is a serious threat to cereal production in the savannas of sub-Saharan Africa. Field trials were conducted in Nigeria at Abuja and Mokwa (southern Guinea savanna) in 2005 and 2006, and at Zaria (northern Guinea savanna) and Sabongari (Sudan savanna) in 2006, to evaluate the pe...
Chikoye, D.
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Fontem, L.A.
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Menkir, A.
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[Seed coating herbicide tolerant maize hybrids with imazapyr for Striga hermonthica (Del.) Benth control in the West African savanna]
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Seed coating herbicide tolerant maize hybrids with imazapyr for Striga hermonthica (Del.) Benth control in the West African savanna
The results are presented of a project to promote integrated Striga control (ISC) technologies to farmers in the Guinea savanna of northern Nigeria. Extension agents used a participatory research and extension approach (PREA) to encourage farmers to test and adopt ISC technologies. Over a 2-year ...
Franke, A.
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Ellis-Jones, J.
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Tarawali, G.
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Schulz, S.
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Hussaini, M.A.
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Kureh, I.
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White, R.
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Douthwaite, Boru
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Oyewole, B.
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Olanrewaju, A.S.
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[Evaluating and scalingup integrated Striga hermonthica control technologies among farmers in northern Nigeria]
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Evaluating and scalingup integrated Striga hermonthica control technologies among farmers in northern Nigeria
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.
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Ekeleme, F.
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Kamara, A.Y.
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Menkir, A.
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Chikoye, D.
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Omoigui, L.O.
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[Field evaluation of sorghum varieties to Striga hermonthica infestation in north eastern Nigerian savannas]
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Field evaluation of sorghum varieties to Striga hermonthica infestation in north eastern Nigerian savannas
BACKGROUND:Striga hermonthica(Del.) Benth. (witchweed) poses the greatest biological constraint to food production insub-Saharan Africa (SSA). Control options forStrigaare currently largely ineffective or unavailable to farmers, and othermanagement possibilities are urgently needed. Biological c...
Venne, J.
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Beed, Fen D.
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Avocanh, A.
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Watson, A.
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[Integrating Fusarium oxysporum f. sp. strigae into cereal cropping systems in Africa]
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Integrating Fusarium oxysporum f. sp. strigae into cereal cropping systems in Africa
Parasitism of crop plants by Striga species is a major constraint in the savanna zones of West Africa. Farmers ranked Striga as a leading constraint during a livelihood analysis of 30 communities in northeast Nigeria. A field survey was conducted to ascertain the extent of infestation by Striga s...
Dugje, I.Y.
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Kamara, A.
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Omoigui, L.O.
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[Infestation of crop fields by Striga species in the savanna zones of northeast Nigeria]
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Infestation of crop fields by Striga species in the savanna zones of northeast Nigeria