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Cassava mosaic begomoviruses (CMBs) cause cassava mosaic disease (CMD) across Africa and the Indian subcontinent. Like all members of the geminivirus family, CMBs have small, circular single-stranded DNA genomes. We report here the discovery of two novel DNA sequences, designated SEGS-1 and SEGS-...

Cassava mosaic begomoviruses (CMBs) cause cassava mosaic disease (CMD) across Africa and the Indian subcontinent. Like all members of the geminivirus family, CMBs have small, circular single-stranded DNA genomes. We report here the discovery of two novel DNA sequences, designated SEGS-1 and SEGS-...


Ndunguru, JosephLeón, Leandro deDoyle, Catherine D.Sseruwagi, PeterPlata, GermanLegg, J.P.Thompson, GrahamTohme, Joseph M.Aveling, TheresaAscencio Ibáñez, Jose T.Hanley Bowdoin, Linda[Two Novel DNAs that enhance symptoms and overcome CMD2 resistance to cassava mosaic disease]Two Novel DNAs that enhance symptoms and overcome CMD2 resistance to cassava mosaic disease

Background Common bean (Phaseolus vulgaris) is an important grain legume and there has been a recent resurgence in interest in its relative, tepary bean (P. acutifolius), owing to this species’ ability to better withstand abiotic stresses. Genomic resources are scarce for this minor crop species ...


Gujaria-Verma, NehaRamsay, LarissaSharpe, Andrew G.Sanderson, Lacey-AnneDebouck, Daniel G.Tar’an, BunyaminBett, Kirstin E.[Gene-based SNP discovery in tepary bean (Phaseolus acutifolius) and common bean (P. vulgaris) for diversity analysis and comparative mapping]Gene-based SNP discovery in tepary bean (Phaseolus acutifolius) and common bean (P. vulgaris) for diversity analysis and comparative mapping

Background: The wild relatives of crops represent a major source of valuable traits for crop improvement. These resources are threatened by habitat destruction, land use changes, and other factors, requiring their urgent collection and long-term availability for research and breeding from ex situ...


Ramírez Villegas, JuliánKhoury, Colin K.Jarvis, AndyDebouck, Daniel G.Guarino, Luigi[A gap analysis methodology for collecting crop genepools: a case study with Phaseolus Beans]A gap analysis methodology for collecting crop genepools: a case study with Phaseolus Beans

Breeding cassava relies on several selection stages (single row trial-SRT; preliminary; advanced; and uniform yield trials—UYT). This study uses data from 14 years of evaluations. From more than 20,000 genotypes initially evaluated only 114 reached the last stage. The objective was to assess how ...


Ceballos, H.Pérez, Juan C.Barandica, Orlando JoaquiLenis, Jorge I.Morante, NelsonCalle, FernandoPino, LizbethHershey, Clair H.[Cassava Breeding I: The value of breeding value]Cassava Breeding I: The value of breeding value
Bernal Parra, N.Ocampo Pérez, John A.Hernández Fernández, J.[Caracterización y análisis de la variabilidad genética de la granadilla (Passiflora ligularis juss.) en Colombia empleando marcadores microsatélites = Characterization and analysis of the genetic variability of sweet passion fruit (Passiflora ligularis juss.) in Colombia using microsatellite markers]Caracterización y análisis de la variabilidad genética de la granadilla (Passiflora ligularis juss.) en Colombia empleando marcadores microsatélites = Characterization and analysis of the genetic variability of sweet passion fruit (Passiflora ligularis juss.) in Colombia using microsatellite markers
Cuevas Pérez, Federico E.[Mejoramiento genético de arroz en República Dominicana : análisis y recomendaciones]Mejoramiento genético de arroz en República Dominicana : análisis y recomendaciones

Common blight [caused by Xanthomonas campestris pv. phaseoli Smith (Dye)] is a major bacterial disease causing >40% seed yield and quality losses in common bean (Phaseolus vulgaris L.) worldwide. Use of resistant cultivars is crucial for its effective, economical, and environment friendly integra...


Singh, Shree P.Miklas, Phillip N.[Breeding common bean for resistance to common blight: A review]Breeding common bean for resistance to common blight: A review

La antracnosis es una de las enfermedades que más afecta la producción de frutales tropicales en el mundo. El objetivo del presente trabajo fue identificar a nivel de especie aislamientos de Colletotrichum spp. causantes de la antracnosis en frutos de aguacate, banano, mango y tomate de árbol med...


Gañan, LedersonÁlvarez, ElizabethCastaño Zapata, Jairo[Identificación genética de aislamientos de Colletotrichum spp. causantes de antracnosis en frutos de aguacate, banano, mango y tomate de árbol]Identificación genética de aislamientos de Colletotrichum spp. causantes de antracnosis en frutos de aguacate, banano, mango y tomate de árbol
Okogbenin, EmmanuelSetter, TLFerguson, M.Mutegi, RCeballos, HernanOlasanmi, BFregene, Martin A.[Phenotypic approaches to drought in cassava: review]Phenotypic approaches to drought in cassava: review

The study was conducted to investigate genetic variability among 113 aromatic and fine local rice genotypes of which five were exotic in origin. The test genotypes were evaluated for 19 growth traits, yield components, and yield. All the quantitative traits varied significantly among the test gen...


Islam, M. Z.Khalequzzaman, M.Bashar, KhairulIvy, N.A.Haque, M.M.Mian, M. A. K.[Variability assessment of aromatic and fine rice germplasm in Bangladesh based on quantitative traits]Variability assessment of aromatic and fine rice germplasm in Bangladesh based on quantitative traits

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