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Quantitative trait loci (QTL) that confer broad‐spectrum resistance (BSR), or resistance that is effective against multiple and diverse plant pathogens, have been elusive targets of crop breeding programmes. Multiparent advanced generation intercross (MAGIC) populations, with their diverse geneti...


Bossa Castro, Ana M.Tekete, CheickRaghavan, ChitraDelorean, Emily E.Dereeper, AlexisDagno, KarimKoita, OusmaneMosquera Cifuentes, Gloria MariaLeung, HeiVerdier, ValérieLeach, Jan E.[Allelic variation for broad-spectrum resistance and susceptibility to bacterial pathogens identified in a rice MAGIC population]Allelic variation for broad-spectrum resistance and susceptibility to bacterial pathogens identified in a rice MAGIC population

We evaluated cassava bacterial blight (CBB) infection in an pair-cross population of 150 individuals derived from an intra-specific cross between two non-inbred cassava (Manihot esculenta Crantz) lines. The replicated trials were carried out in the field under high disease pressure over two conse...


Jorge, VFregene, Martin A.Velez, C.M.Duque E., Myriam CristinaTohme, Joseph M.Verdier, Valérie[QTL analysis of field resistance to Xanthomonas axonopodis pv. manihotis in cassava]QTL analysis of field resistance to Xanthomonas axonopodis pv. manihotis in cassava

Deployment of resistant varieties is one major approach to controlling cassava bacterial blight (CBB), caused by Xanthomonas axonopodis pv. manihotis (Xam). To understand the genetic determinism of resistance to CBB, the use of reliable parameters measuring resistance is necessary. In order to te...


Jorge, VVerdier, Valérie[Qualitative and quantitative evaluation of cassava bacterial blight resistance in F1 progeny of a cross between elite cassava clones]Qualitative and quantitative evaluation of cassava bacterial blight resistance in F1 progeny of a cross between elite cassava clones

Cassava bacterial blight, caused by Xanthomonas axonopodis pv. manihotis (Xam), is a widespread disease that affects cassava (Manihot esculenta Crantz). Studies on the pathogen population structure, pathogen diagnosis, identification and expression of plant genes involved in resistance have been ...


Verdier, ValérieRestrepo, S.Mosquera Cifuentes, Gloria MariaJorge, VLópez, C.E.[Recent progress in the characterization of molecular determinants in the Xanthomonas axonopodis pv. manihotis cassava interaction]Recent progress in the characterization of molecular determinants in the Xanthomonas axonopodis pv. manihotis cassava interaction

Cassava bacterial blight (CBB), caused by Xanthomonas axonopodis pv. manihotis (Xam), is a major disease of cassava (Manihot esculenta Crantz) in Africa and South America. Planting resistant varieties is the preferred method of disease control. Recent genetic mapping of an F1 cross (TMS 30572 × C...


Jorge, VFregene, Martin A.Duque E., Myriam CristinaBonierbale, Merideth W.Tohme, Joseph M.Verdier, Valérie[Genetic mapping of resistance to bacterial blight disease in cassava (Manihot esculenta Crantz)]Genetic mapping of resistance to bacterial blight disease in cassava (Manihot esculenta Crantz)

Plant disease resistance genes (R genes) show significant similarity amongst themselves in terms of both their DNA sequences and structural motifs present in their protein products. Oligonucleotide primers designed from NBS (Nucleotide Binding Site) domains encoded by several R-genes have been us...


López, C.E.Zuluaga, APCooke, R.D.Delseny, MTohme, Joseph M.Verdier, Valérie[Isolation of resistance gene candidates (RGCs) and characterization of an RGC cluster in cassava]Isolation of resistance gene candidates (RGCs) and characterization of an RGC cluster in cassava
Verdier, ValérieBoher, BernardMichel, Anne[La bactériose vasculaire du manioc: Une menace pour la production]La bactériose vasculaire du manioc: Une menace pour la production

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