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Conference Proceedings 2012-02

Advances in seed yam propagation methods in Nigeria

Autor: Ikeorgu, J.G. Mazza, M.A. Okonkwo, C. Kikuno, H.

Scarcity and/or high cost of healthy seed yams are the greatest constraints in yam production in Nigeria and probably across the West African Yam belt. Scientists at the National Root Crops Research Umudike developed the yam minisett technique of seed yam production in 1982 but nearly three decad...

Enlace original: https://cgspace.cgiar.org/handle/10568/80519

Investigación en Agricultura

YAMS

PRODUCTION

TECHNOLOGY TRANSFER

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Ikeorgu, J.G. , Mazza, M.A. , Okonkwo, C. , Kikuno, H. , [Advances in seed yam propagation methods in Nigeria] , Advances in seed yam propagation methods in Nigeria

Journal Article 2006

Stability studies of hybrid yam (Dioscorea rotundata Poir.) genotypes in Ghana

Autor: Otoo, E. Okonkwo, C. Asiedu, Robert

Seven white yam (Dioscorea rotundata Poir.) genotypes (1 local and 6 hybrids from IITA) were evaluated in 13 environments using randomized complete block design (RCBD) with 3 replications. The environments were Fumesua (forest) from 2000 to 2004 and Wenchi (forest Guinea savannah transition) from...

Enlace original: https://cgspace.cgiar.org/handle/10568/91751

Investigación en Agricultura

AMMI1

G X E

HYBRID

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Otoo, E. , Okonkwo, C. , Asiedu, Robert , [Stability studies of hybrid yam (Dioscorea rotundata Poir.) genotypes in Ghana] , Stability studies of hybrid yam (Dioscorea rotundata Poir.) genotypes in Ghana

Journal Article 2004

Nutrient deficiency symptoms in yams (Dioscorea spp.)

Autor: Shiwachi, H. Okonkwo, C. Asiedu, Robert

Symptoms of nutritional deficiencies in D. alata and D. rotundata were observed when yam plants were grown in nutrient solutions from which any of the following had been omitted: N, P, K, Ca, Mg, Zn, Fe, B, Mn, Cu and Mo. The symptoms of deficiency of major elements were visible on plants of both...

Enlace original: https://cgspace.cgiar.org/handle/10568/103377

Investigación en Agricultura

DIOSCOREA

YAMS

NUTRIENT DEFICIENCIES

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Shiwachi, H. , Okonkwo, C. , Asiedu, Robert , [Nutrient deficiency symptoms in yams (Dioscorea spp.)] , Nutrient deficiency symptoms in yams (Dioscorea spp.)

Conference Paper 2009

Perception of food quality in yams among Nigerian farmers

Autor: Otegbayo, B. Kehinde, A.L Sangoyomi, T. Samuel, F.O. Okonkwo, C.

This study is a qualitative investigation on the perception of food quality in yams by farmers from two yam growing communities with different cultural backgrounds but located in the savanna agroecological zone of Nigeria (Federal Capital Territory (FCT), Abuja and Okeogun area of Oy...

Cette étude est une recherche qualitative sur la perception de la qualité des produits alimentaires d’ignames par des fermiers dans deux communautés qui cultivent igname avec deux cultures différent mais situées dans la zone savane agro écologique du Nigeria (Territoire capital Féd...

Enlace original: https://cgspace.cgiar.org/handle/10568/90872

Investigación en Agricultura

QUALITÉ DES PRODUITS ALIMENTAIRES

IGNAME

FERMIERS.

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Otegbayo, B. , Kehinde, A.L , Sangoyomi, T. , Samuel, F.O. , Okonkwo, C. , [Perception of food quality in yams among Nigerian farmers] , Perception of food quality in yams among Nigerian farmers

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Resultados de búsqueda

Advances in seed yam propagation methods in Nigeria

Stability studies of hybrid yam (Dioscorea rotundata Poir.) genotypes in Ghana

Nutrient deficiency symptoms in yams (Dioscorea spp.)

Perception of food quality in yams among Nigerian farmers