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Journal Article 2018-09

Autor: Hanna, R. Kulakow, P. Parkes, E. Iluebbey, P. Ngome, F.A. Suh, C. Massussi, J. Choutnji, I. Wirnkar, V.L.

Genotype by environment interaction remains a substantial issue in all breeding programs. Crop genotypes are generally developed in a central breeding location, but always require the evaluation of breeding products in different environments. This is particularly relevant in countries that have a...

Enlace original: https://cgspace.cgiar.org/handle/10568/97528

Investigación en Agricultura
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Hanna, R. ,  Kulakow, P. ,  Parkes, E. ,  Iluebbey, P. ,  Ngome, F.A. ,  Suh, C. ,  Massussi, J. ,  Choutnji, I. ,  Wirnkar, V.L. ,  [AMMI analysis of cassava response to contrasting environments: case study of genotype by environment effect on pests and diseases, root yield, and carotenoids content in Cameroon] ,  AMMI analysis of cassava response to contrasting environments: case study of genotype by environment effect on pests and diseases, root yield, and carotenoids content in Cameroon
Journal Article 2015

Autor: Parkes, E. Fregene, Martin A. Dixon, A. Okogbenin, Emmanuel Boakye-Peprah, B. Labuschagne, M.T.

Cassava is a major staple and food security crop in Africa which can produce a crop under uncertain rainfall and low fertility conditions. How- ever, it suffers from several pests and diseases, with Cassava Mosaic Disease (CMD) being the main biotic constraint in production in s...

Enlace original: https://cgspace.cgiar.org/handle/10568/74442

Investigación en Agricultura
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Parkes, E. ,  Fregene, Martin A. ,  Dixon, A. ,  Okogbenin, Emmanuel ,  Boakye-Peprah, B. ,  Labuschagne, M.T. ,  [Developing Cassava Mosaic Disease resistant cassava varieties in Ghana using a marker assisted selection approach] ,  Developing Cassava Mosaic Disease resistant cassava varieties in Ghana using a marker assisted selection approach
Book Chapter 2014-03

Autor: Parkes, E.
Enlace original: https://cgspace.cgiar.org/handle/10568/87935

Investigación en Agricultura
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Parkes, E. ,  [Cassava: mentor on a mission why cassava and capacity building are closely coupled] ,  Cassava: mentor on a mission why cassava and capacity building are closely coupled
Journal Article 2013-05

Autor: Parkes, E. Fregene, Martin A. Dixon, A. Boakye-Peprah, B. Labuschagne, M.T.

Breeding for resistant genotypes is the best strategy to offset the destructive effects of cassava mosaic disease (CMD) and cassava bacterial blight (CBB). Two sets of diallel parents were selected for the forest and the savannah ecological zones in Ghana based on good levels of resistance to CMD...

Enlace original: https://cgspace.cgiar.org/handle/10568/77451

Investigación en Agricultura
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Parkes, E. ,  Fregene, Martin A. ,  Dixon, A. ,  Boakye-Peprah, B. ,  Labuschagne, M.T. ,  [Combining ability of cassava genotypes for cassava mosaic disease and cassava bacterial blight, yield and its related components in two ecological zones in Ghana] ,  Combining ability of cassava genotypes for cassava mosaic disease and cassava bacterial blight, yield and its related components in two ecological zones in Ghana
Journal Article 2013-04

Autor: Boakye-Peprah, B. Ofori , K. Asante, I. Parkes, E.

The study was carried out to quantify the genotype × environment interaction (G × E) and to estimate the phenotypic stability by genotype genotype × environment (GGE) biplot of nine cassava clones comprising 5 hybrids, 3 parent checks and 1 improved variety. The study was planted across three dif...

Enlace original: https://cgspace.cgiar.org/handle/10568/76425

Investigación en Agricultura
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Boakye-Peprah, B. ,  Ofori , K. ,  Asante, I. ,  Parkes, E. ,  [Performance of nine cassava (Manihot esculanta Crantz) clones across three environments] ,  Performance of nine cassava (Manihot esculanta Crantz) clones across three environments
Journal Article 2013-07

Autor: Boakye-Peprah, B. Ofori , K. Asante, I. Parkes, E.

A study was conducted to assess the extent of genetic variability, broad-sense heritability and correlations for fresh root weight, root number and top weight of five cassava genotypes across three locations in 2 years. Combined analysis of variance revealed highly significant genotypic effect fo...

Enlace original: https://cgspace.cgiar.org/handle/10568/76412

Investigación en Agricultura
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Boakye-Peprah, B. ,  Ofori , K. ,  Asante, I. ,  Parkes, E. ,  [Genetic variability of three cassava traits across three locations in Ghana] ,  Genetic variability of three cassava traits across three locations in Ghana
Journal Article 2016-09

Autor: Peprah, B.B. Agyeman, A. Parkes, E. Kwadwo, O. Isaac, A.K. Okogbenin, E. Labuschagne, M.T.

Genetic enhancement of cassava aimed at increasing productivity through the provision of broad-based which improved germplasm and is also a major goal for cassava breeders. 10 genotypes (4 landraces and 6 developed lines) were evaluated at Fumesua, Ejura and Pokuase in 2 growing seasons in a rand...

Enlace original: https://cgspace.cgiar.org/handle/10568/77147

Investigación en Agricultura
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Peprah, B.B. ,  Agyeman, A. ,  Parkes, E. ,  Kwadwo, O. ,  Isaac, A.K. ,  Okogbenin, E. ,  Labuschagne, M.T. ,  [Stability, agronomic performance and genetic variability of 10 cassava genotypes in Ghana] ,  Stability, agronomic performance and genetic variability of 10 cassava genotypes in Ghana
Book Chapter 2019

Autor: Alamu, E.O. Maziya-Dixon, B.B. Felde, T. zum Kulakow, P. Parkes, E.

A developed Near Infrared Reflectance Spectroscopy (NIRS) calibration equation was used for determining provitamin A carotenoids contents of different trials of fresh yellow root cassava genotypes using a total of 50 cassava genotypes scanned twice by NIRS from 400 nm to 2498 nm. The NIRS calibra...

Enlace original: https://cgspace.cgiar.org/handle/10568/101680

Investigación en Agricultura
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Alamu, E.O. ,  Maziya-Dixon, B.B. ,  Felde, T. zum ,  Kulakow, P. ,  Parkes, E. ,  [Application of near infrared reflectance spectroscopy in screening of fresh cassava (Manihot esculenta crantz) storage roots for provitamin A carotenoids] ,  Application of near infrared reflectance spectroscopy in screening of fresh cassava (Manihot esculenta crantz) storage roots for provitamin A carotenoids
Poster 2018

Autor: Prasad, P. Agbona, A. Kulakow, P. Rabbi, Ismail Y. Egesi, Chiedozie N. Parkes, E. Aina, O. Mueller, L.
Enlace original: https://cgspace.cgiar.org/handle/10568/101676

Investigación en Agricultura
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Prasad, P. ,  Agbona, A. ,  Kulakow, P. ,  Rabbi, Ismail Y. ,  Egesi, Chiedozie N. ,  Parkes, E. ,  Aina, O. ,  Mueller, L. ,  [Cassavabase, an advantage for IITA cassava breeding program] ,  Cassavabase, an advantage for IITA cassava breeding program

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