Fast track participatory approach to release of elite cassava genotypes for various uses in Nigeria's cassava economy

The aim of the Integrated Cassava Project (ICP) of the International Institute of Tropical Agriculture was to pre-emptively manage the cassava mosaic disease (CMD) to avert an imminent and increasing possible threat of the Ugandan strain of the CMD virus of the pathogen from doing damage to the Nige...

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Bibliographic Details
Published in:	Euphytica Vol. 160; no. 1; pp. 1 - 13
Main Authors:	Dixon, Alfred G. O, Akoroda, Malachy O, Okechukwu, Richardson U, Ogbe, Francis, Ilona, Paul, Sanni, Lateef O, Ezedinma, Chukwuma, Lemchi, Jones, Ssemakula, Gorrettie, Yomeni, Marie O, Okoro, Emelike, Tarawali, Gbassey
Format:	Journal Article
Language:	English
Published:	Dordrecht Dordrecht : Springer Netherlands 01-03-2008 Springer Netherlands Springer Springer Nature B.V
Subjects:	Agronomy. Soil science and plant productions Biological and medical sciences Biomedical and Life Sciences Biotechnology cassava Cassava mosaic disease virus crop yield cultivar substitution Cultivars disease resistance Dry matter Fundamental and applied biological sciences. Psychology Generalities. Genetics. Plant material Genetic resources, diversity Genetics and breeding of economic plants genotype Genotype & phenotype Genotypes germplasm releases Integrated Cassava Project Life Sciences lines Manihot esculenta Plant diseases plant diseases and disorders Plant Genetics and Genomics Plant material Plant Pathology Plant Physiology Plant Sciences plant viruses Studies Varietal selection. Specialized plant breeding, plant breeding aims varieties Viruses Nigeria West Africa Sub-Saharan Africa Africa Variety release Nigeria Cassava Mosaic disease Variety selection Plant pathogen Tropical zone Begomovirus Elite variety release High yielding variety New variety Dicotyledones Angiospermae Cassava Mosaic disease, Manihot esculenta Euphorbiaceae variety selection Geminiviridae Manihot esculenta Community participation Genotype Varietal selection Agricultural economics Infection Virus Vegetable crop Viral disease Genetic improvement Spermatophyta Tuber plant Cassava
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Summary:	The aim of the Integrated Cassava Project (ICP) of the International Institute of Tropical Agriculture was to pre-emptively manage the cassava mosaic disease (CMD) to avert an imminent and increasing possible threat of the Ugandan strain of the CMD virus of the pathogen from doing damage to the Nigerian cassava economy. The strategy was to engage in activities that would lead to cultivar-substitution by replacing the susceptible varieties on farmers' fields with superior genotypes that are not only CMD resistant or tolerant but also high yielding with good dry matter content. A fast track participatory selection approach was used in 2 years to release nine new lines in Nigeria. It was intensive and several lessons were learnt. The varieties released after 2 years were TMS 98/0510, TMS 98/0581, TMS 97/2205, TMS 98/0505, TME 419, TMS 92/0326, TMS 96/1632, TMS 98/0002, and TMS 92/0057.
Bibliography:	http://dx.doi.org/10.1007/s10681-007-9487-2 ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0014-2336 1573-5060
DOI:	10.1007/s10681-007-9487-2