Dominique dessauw

Dominique dessauw
CATIE - Centro Agronómico Tropical de Investigación y Enseñanza | CATIE · Research and Development Division

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21
Publications
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Introduction
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Publications

Publications (21)
Article
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Cacao (Theobroma cacao L.) is among the most important cash crops in tropical countries. The existing cacao genetic diversity represents a key resource to ensure the long-term sustainability of cacao cultivation but it remains vastly underused. The objective of this paper is to describe the current state of conservation and use of cacao genetic mat...
Article
Full-text available
Good management of coffee collections is important because they ensure long-term availability of germplasm to guarantee the sustainability of coffee value chain. The conservation of coffee genetic resources is essential to provide the raw materials for breeding and improvement of the crop. Many genetic resources of wild arabica coffee have been col...
Technical Report
Full-text available
Esta es una comunicación elaborada en el marco del Programa Centroamericano de Gestión Integral de la Roya del Café, dirigida a técnicos y público en general para explicar sobre el tema de la "pérdida de resistencia a la roya" de híbridos F1 de café, explicar qué es lo que está pasando realmente, y exponer cuáles deberían ser las estrategias en el...
Article
As observed at a world scale, in Reunion Island Heteropogon contortus savannas face major pressure and need to be preserved and restored. However, the use of this species in restoration projects is hampered by the limited knowledge about the seed germination ecology and more specifically about dormancy and light requirements. Dormancy state and lig...
Article
Full-text available
Seed cotton yield in Northern Cameroon has been declining since the 80s despite breeding efforts. In order to evaluate the impact of genetic improvement on this decline, we conducted field experiments in two locations with 10 widely grown cotton cultivars released in Cameroon between 1950 and 2009. The rate of genetic gain (GG) was estimated with a...
Chapter
Full-text available
As proposed by FAO, the General Assembly of the United Nations declared 2013 as the International Year of Quinoa (IYQ), highlighting the potential role of quinoa’s biodiversity in contributing to global food security, given its high nutritional value and tremendous potential to adapt to different agroclimatic conditions. The declaration recognizes...
Article
Full-text available
Leroy T., Coumaré O., Kouressy M., Trouche G., Sidibé A., Sissoko S., Touré A., Guindo T., Sogoba B., Dembélé F., Dakouo B., Vaksmann M., Coulibaly H., Bazile D., Dessauw D. 2014. Inscription d'une variété de sorgho obtenue par sélection participative au Mali dans des projets multiacteurs. Agronomie, Environnement et Sociétés, 4 (2) (spec.) : p. 14...
Article
Full-text available
Viot Christopher, Lazo Juan, Dessauw Dominique, Tavara Arturo, Montoya Ysabel. 2012. New perspectives for extra-long staple Gossypium barbadense L. cotton breeding through association genetics analysis. Agro Enfoque (185) : 63-65. Abstract - Association genetics is a powerful tool for uncovering links between traits and chromosomal loci. Nowadays’...
Article
Full-text available
The cultivated Gossypium spp. (cotton) represents the single most important, natural fiber crop in the world. In addition to its fiber, the oil and protein portion of the cottonseed also represents significant economic value. To protect the worldwide economic value of cotton fiber and cotton byproducts, coordinated efforts to collect and maintain c...
Article
We carried out an assessment of the resistance of 71 accessions of cotton (Gossypium spp. L.) to the aphid Aphis gossypii and to leafhoppers under natural infestation. Our objectives were (i) to improve the methods for screening cotton germplasm for resistance to both pests, and (ii) to test the existence of genetic correlation between resistances...
Article
Full-text available
A series of 320 mapped simple sequence repeats (SSRs) have been used to screen the allelic diversity of tetraploid Gossypium species. Fourty-seven genotypes were analyzed representing (i) the wide spectrum of diversity of the cultivated pool and of the primitive landraces of species G. hirsutum (‘marie-galante’, ‘punctatum’, ‘richmondi’, ‘morrilli’...
Article
Thai cotton growers yearly face serious pest problems consisting of heavy infestation associated with resistance to pesticides leading to expensive and harmful pest control practices. Thanks to a multi discipline research work carried out from 1991 to 1996, a decision-oriented model for cotton crop management was developed and compared to farmers'...
Article
In this trial several varieties of cotton were cultivated at four different sites to study the correlations between six agronomical and ten technological variables of the fibre or the seed. The genetic and environmental correlations are presented describing the relationships between such factors as productivity, maturity, fineness, elongation, time...

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Projects

Projects (4)
Project
This project aims to offer site-specific data and recommendations to improve cacao cultivation in Latin America, responding to multiple threats such as climate change and heavy metal accumulation, and making better use of the existing diversity of cacao genetic resources and associated biodiversity. Overall, we plan to share all our research results through the online platform www.cacaodiversity.org. The platform will be expanding both geographically and thematically in the near future.
Archived project