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Journal Article 2019-04-16

Autor: Akaogu, I.C. Badu‐Apraku, B. Tongoona, P.B. Ceballos, H. Gracen, V. Offei, S.K. Dzidzienyo, D.

Striga hermonthica can cause as high as 100% yield loss in maize depending on soil fertility level, type of genotype, severity of infestation and climatic conditions. Understanding the mode of inheritance of Striga resistance in maize is crucial for introgression of resistance genes into tropical...

Enlace original: https://cgspace.cgiar.org/handle/10568/102122

Investigación en Agricultura
Enlace permanente

Akaogu, I.C. ,  Badu‐Apraku, B. ,  Tongoona, P.B. ,  Ceballos, H. ,  Gracen, V. ,  Offei, S.K. ,  Dzidzienyo, D. ,  [Inheritance of Striga hermonthica adaptive traits in an earlymaturing white maize inbred line containing resistance genes from Zea diploperennis] ,  Inheritance of Striga hermonthica adaptive traits in an earlymaturing white maize inbred line containing resistance genes from Zea diploperennis
Journal Article 2006

Autor: Lokko, Y. Dixon, Alfred G.O. Offei, S.K. Danquah, E.Y.

The cassava mosaic virus disease (CMD) is the most important disease o1'cassava in Africa, causing severe economic losses. The genetic stock, clone 58308, has been extensively used in breeding for resistance to the disease, but recently, other sources o1'resistance to the disease have been identi...

Enlace original: https://cgspace.cgiar.org/handle/10568/91386

Investigación en Agricultura
Enlace permanente
Lokko, Y. ,  Dixon, Alfred G.O. ,  Offei, S.K. ,  Danquah, E.Y. ,  [Gene complementarity of resistance to the cassava mosaic disease among African cassava accessions] ,  Gene complementarity of resistance to the cassava mosaic disease among African cassava accessions
Journal Article 2019-12

Autor: Afuape, S.O. Tongoona, P.B. Asante, I.K. Egesi, Chiedozie N. Nwaigwe, G. Offei, S.K.

This study was embarked upon to stack two key but inversely associated sweetpotato traits (dry matter and beta-carotene content) through conventional breeding methods. Thirty-seven elite sweetpotato genotypes were evaluated for both traits, and 15 parents comprising five orange-, five yellow- and...

Enlace original: https://cgspace.cgiar.org/handle/10568/106673

Investigación en Agricultura
Enlace permanente
Afuape, S.O. ,  Tongoona, P.B. ,  Asante, I.K. ,  Egesi, Chiedozie N. ,  Nwaigwe, G. ,  Offei, S.K. ,  [Breeding new sweetpotato genotypes combining elevated content of two antagonistic traits of high dry matter and beta-carotene content in a high root yield background] ,  Breeding new sweetpotato genotypes combining elevated content of two antagonistic traits of high dry matter and beta-carotene content in a high root yield background
Poster 2013

Autor: Oduro, V. Blay, E.E. Offei, S.K. Asante, I.K. Carey, E.E.
Enlace original: https://cgspace.cgiar.org/handle/10568/73185

Investigación en Agricultura
Enlace permanente

Oduro, V. ,  Blay, E.E. ,  Offei, S.K. ,  Asante, I.K. ,  Carey, E.E. ,  [Assessing production constraints and farmer preference for sweetpotato through a PRA study and structured survey.] ,  Assessing production constraints and farmer preference for sweetpotato through a PRA study and structured survey.
Conference Paper 2004

Autor: Offei, S.K. Danquah, E.Y. Okai, E. Mignouna, H.D. Dixon, Alfred G.O.

Some 96 accessions of cassava (Manihot esculenta) were evaluted for genetic diversity using random amplified polymorphic DNA (RAPD) primers. Ten out of 80 Primers were considered highly informative and were used to fingerprint all of the accessions. Amplification of genomic DNA with the primers r...

Enlace original: https://cgspace.cgiar.org/handle/10568/103340

Investigación en Agricultura
Enlace permanente
Offei, S.K. ,  Danquah, E.Y. ,  Okai, E. ,  Mignouna, H.D. ,  Dixon, Alfred G.O. ,  [Genetic diversity in 96 accessions of cassava as revealed by Random Amplified Polymorphic DNAs (RAPDs)] ,  Genetic diversity in 96 accessions of cassava as revealed by Random Amplified Polymorphic DNAs (RAPDs)

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