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Breeding tools for durable resistance to root-knot nematodes (Meloidogyne spp.) of coffee varieties in Latin America. First annual report: covering period from February 2002 to January 2003

Publisher: sl sfDescription: 89 p.Subject(s): CATIE | PROMECAFE | INFORMES ANUALES | COFFEA ARABICA | NEMATODA | MELOIDOGYNE | RESISTENCIA A LAS PLAGAS | FITOMEJORAMIENTO | NEMATODOS DE LAS PLANTAS | PROYECTOS DE INVESTIGACION | AMERICA LATINA | COFFEA ARABICA | NEMATODA | MELOIDOGYNE | PEST RESISTANCE | PLANT BREEDING | PLANT NEMATODES | RESEARCH PROJECTS | LATIN AMERICA | COFFEA ARABICA | NEMATODA | MELOIDOGYNE | RESISTANCE AUX ORGANISMES NUISIBLES | AMELIORATION DES PLANTES | NEMATODE DES PLANTES | PROJET DE RECHERCHE | AMERIQUE LATINESummary: Coffee is one of the world's largest traded commodities. In particular, coffee represents one the key export and cash crops in tropical and subtropical developing countries with generally a favourable impact on the social and physical environment. However, root-knot nematodes (Meloidogyne spp.) have become a major threat in all-major coffee growing (Coffea arabica L.) and constitute the major agronomic constraint in most Latin American countries. By a multidisciplinary approach and the development of several breeding tools, the present project aims at improving the resistance to root-knot nematodes of coffee varieties grown in Latin America. The selected strategy for developing genetic durable resistance relies upon the combined development of i) varieties (either cultivar or rootstock) associating complementary well-characterised resistance genes, and ii) optimised variety-deployment strategies based on a careful characterisation of root-knot nematodes populations damaging coffee trees.
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Coffee is one of the world's largest traded commodities. In particular, coffee represents one the key export and cash crops in tropical and subtropical developing countries with generally a favourable impact on the social and physical environment. However, root-knot nematodes (Meloidogyne spp.) have become a major threat in all-major coffee growing (Coffea arabica L.) and constitute the major agronomic constraint in most Latin American countries. By a multidisciplinary approach and the development of several breeding tools, the present project aims at improving the resistance to root-knot nematodes of coffee varieties grown in Latin America. The selected strategy for developing genetic durable resistance relies upon the combined development of i) varieties (either cultivar or rootstock) associating complementary well-characterised resistance genes, and ii) optimised variety-deployment strategies based on a careful characterisation of root-knot nematodes populations damaging coffee trees.

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