Cassava makes an important contribution to improving food security and rural incomes in sub-Saharan Africa, as it is tolerant of drought and poor soil and its cultivation does not require much labour. However, the fresh roots are bulky and perishable and need to be processed before they can be ma...
Nweke, F.I.
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[Cassava processing in subSaharan Africa: the implications for expanding cassava production]
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Cassava processing in subSaharan Africa: the implications for expanding cassava production
We investigated the fungal entomopathogens Beauveria bassiana and Metarhizium anisopliae to determine if endophytic colonization could be achieved in cassava. An inoculation method based on drenching the soil around cassava stem cuttings using conidial suspensions resulted in endophytic colonizat...
The aleyrodid Aleurodicus dispersus is reported from Nigeria. The first observation was made on cassava in early 1992 at several locations in Ibadan. A survey carried out in January 1993 revealed that several genera, many of them important food and ornamental crops, are food plants of the insect.
Cassava is traditionally grown on tilled soils. Interest in reduced-tillage systems is increasing in the humid tropics due to erosion problems. A field study was conducted on a sandy clay loam Ultisol to compare cassava performance in three tillage systems effects on soil water and organic carbon...
Ohiri, A.C.
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Ezumah, H.C.
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[Tillage effects on cassava (Manihot esculenta) production and some soil properties]
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Tillage effects on cassava (Manihot esculenta) production and some soil properties
Changes in earthworm activity, water runoff, soil erosion, soil physical properties and fertility, and crop growth and yield caused by intercropping either maize (Zea mays L.) and cassava (Manihot esculenta Crantz) (MC) or maize, cassava and 'egusi' melon (Citrullus lanatus Thunb.) (MCM) on no-ti...
Hulugalle, N.
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Ezumah, H.C.
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Leyman, T.
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[Changes in surface soil properties of a notilled tropical Alfisol due to intercropping maize, cassava and egusi melon]
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Changes in surface soil properties of a notilled tropical Alfisol due to intercropping maize, cassava and egusi melon
The biology and behaviour of the signiphorid Chartocerus hyaipennis (HAYAT) were studied in the laboratory on Epidinocarsis lopezi (DE SANTlS), a parasitoid of the cassava mealybug Phenacoccus manihoti MATlLE-FERRERO. Only mummified secondary hosts, i.e. mealybugs, were accepted for ovi-position....
Goergen, Georg E.
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Neuenschwander, P.
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[Chartocerus hyalipennis (Hayat) (Hym: Signiphoridae), a gregarious hyperparasitoid on mealybugs (Hom.: pseudococcidae): biology and host range in west Africa]
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Chartocerus hyalipennis (Hayat) (Hym: Signiphoridae), a gregarious hyperparasitoid on mealybugs (Hom.: pseudococcidae): biology and host range in west Africa
This study was initiated to evaluate the short-term (< 3 years) ability of some selected acid-soil adapted hedgerow species when planted in alley cropping systems to improve soil properties in a newly-cleared Ultisol (Typic Kandiudult) of southern Cameroon, 1990–92. The hedgerow species selected ...
Hulugalle, N.
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Ndi, J.
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[Changes in soil properties of a newly cleared Ultisol due to establishment of hedgerow species in alley cropping systems]
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Changes in soil properties of a newly cleared Ultisol due to establishment of hedgerow species in alley cropping systems
Research on the resistance of cassava to fire is scarce because ordinarily researchers would not set their cassava farms on fire for such evaluation. Stems rendered useless by fire were commonly reported by farmers but no information on root yields and shoot regeneration. This study compared the ...
Asadu, C.L.A.
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Unagwu, B.O.
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Dixon, A.
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Okechukwu, R.
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Ilona, P.
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Asadu, A.N.
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[Cassava, plantain and moringa grown in an Alfisol and their resilience to bush fire in eastern Nigeria]
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Cassava, plantain and moringa grown in an Alfisol and their resilience to bush fire in eastern Nigeria
Vietnam has pilot-tested a payment for forest environmental services (PFES) program in an effort to restore and protect forest areas, some of which have been severely degraded by the excessive cutting of trees by small-scale farmers planting annual crops on steep, sloping lands. The pilot program...
Lan, L.N.
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Wichelns, Dennis
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Milan, Florence
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Hoanh, Chu Thai
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Phuong, N.D.
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[Household opportunity costs of protecting and developing forest lands in Son La and Hoa Binh Provinces, Vietnam]
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Household opportunity costs of protecting and developing forest lands in Son La and Hoa Binh Provinces, Vietnam