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INRA
24, chemin de Borde Rouge –Auzeville – CS52627
31326 Castanet Tolosan CEDEX - France

Dernière mise à jour : Mai 2018

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The Melon Genetic Resources Collection

The melon, Cucumis melo L. (2n=2x=24) is a cross-pollinator, self-fertile, is pollinated by insects, primarily by bees. It is part of the Cucurbitaceae family and genus Cucumis that includes about fifty species, including, among the cultivated species, the cucumber, Cucumis sativus. The melon can’t interbreed with any other species, even within the genus Cucumis. For a breeder, only the genetic diversity within the species C. melo is usable..
bandeau melons

The Melon collection started being created in 1960 and currently includes more than 2,300 genotypes of C. melo. These genotypes are from around the world and belong to all cultivated types around the world, eaten raw or cooked, sweetened or unsweetened. The collection also includes a hundred genotypes of wild species of C. melo (example below), which are compatible in crossing with cultivated melons. The Melon collection also includes some melon accessions of other species of the wild Cucumis, related to the melon. Although not compatible for crossing with the melon, these accessions are particularly interesting in evolutionary genetic studies.

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sauvage1

Accession de melon sauvage

The National Melon collection includes about 100 varieties of melon. It consists of old French varieties (line varieties) and selected lines at INRA. It also includes spawning varieties, which were the sources of important agronomic traits for breeding, such as resistance to diseases and pests.

⇒ You can consult the National Melon Collection online

The Melon Genetic Resources Network was created in 1997 by Michel Pitrat. It currently associates INRA and 10 private seed companies, ASL, Enza Zaden, Gautier Seeds, Monsanto, Nunhems (Bayer CropScience Vegetable Seeds), Rijk Zwaan, Sakata France, Syngenta, Takii France, VCO (HM.Clause). The network aims to multiply, preserve and evaluate genotypes from the melon collection of which INRA is the depositary.

diversitégraines

Diversité des graines de melon

INRA has also established scientific collections, required for conducting research programs on the melon. Populations of recombinant inbred lines were obtained genetically between distant melon lines. These populations were mapped using molecular markers and have allowed the study of many agronomic traits in segregation. On the other hand, a mutagenic melon collection was obtained by chemical mutagenesis (through EMS) of an INRA Charentais melon line. This collection, which includes more than 5000 families M2, was very useful for the functional validation of genes and is also a tool of choice for generating new diversity.

⇒ To find out more about current research programs on the Melon: team Resistance and Reproduction in Melon

collection

Aperçu de la collection melon conservée par l'INRA

Contact Melon collection: Didier Besombes

Learning resources

You can freely use these learning and communication tools by mentioning the source (INRA CRB-Leg). Send us feedback on their use.

The Melon Genetic Resources Network

The Melon Genetic Resources Network has been moderated by the CRB-Leg since 1996. It allows sharing materials and sharing the burden of maintenance...
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