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A better knowledge of traditional cultivars is a prerequisite to overcoming the various constraints of yam production in Benin. Using IPGRI's descriptors, 560 accessions of cultivated yams (D. cayenensis Lam./D. rotundata Poir. complex) collected throughout Benin, were characterised. Ninety morph...


Dansi, A.Mignouna, H.D.Zoundjihékpon, J.Sangare, A.Asiedu, RobertQuin, F.M.[Morphological diversity, cultivar groups and possible descent in the cultivated yams (Dioscorea cayenensis/D. rotundata) complex in Benin Republic]Morphological diversity, cultivar groups and possible descent in the cultivated yams (Dioscorea cayenensis/D. rotundata) complex in Benin Republic
Villegas Urbano, NP[Reconocimiento de especies del complejo chisa (Coleoptera: Melolonthidae) asociados al cultivo de cebolla y pasto en la localidad de la Florida, Risaralda. Tesis (Ingeniera Agrónoma)]Reconocimiento de especies del complejo chisa (Coleoptera: Melolonthidae) asociados al cultivo de cebolla y pasto en la localidad de la Florida, Risaralda. Tesis (Ingeniera Agrónoma)

La lista de descriptores para quinua (Chenopodium quinoa Willd.) y sus parientes silvestres es una revisión de la publicación original del CIRF (actualmente Bioversity International), titulada “Descriptores de quinua” (AGP:IBPGR/81/104). Esta revisión, se amplió para acomodar los parientes silves...


Bioversity InternationalFood and Agriculture Organization of the United NationsFundación para la Promoción e Investigación de Productos AndinosInstituto Nacional de Innovación Agropecuaria y ForestalInternational Fund for Agricultural Development[Descriptores para quinua (Chenopodium quinoa Willd.) y sus parientes silvestres]Descriptores para quinua (Chenopodium quinoa Willd.) y sus parientes silvestres

International Plant Genetic Resources Institute[Descriptors for mangosteen (Garcinia mangostana)]Descriptors for mangosteen (Garcinia mangostana)

International Plant Genetic Resources Institute[Descripteurs des carottes sauvages et cultivees (Daucus carota L.)]Descripteurs des carottes sauvages et cultivees (Daucus carota L.)

This descriptor list, which has been prepared according to a standard IBPGR format, supersedes the list published in 1980. Descriptors are grouped under the following headings: (1) accession data, dealing with identification; (2) collection data, including details recorded by collectors; (3) date...


International Board for Plant Genetic Resources[Cotton descriptors (Revised)]Cotton descriptors (Revised)

Cassava is one of the main carbohydrate sources in the tropics, and it has worldwide importance as basic food for millions of persons in America and Africa. This root crop is affected by cassava frog skin disease that in Colombia produces yield losses of almost 90%. A phytoplasma was associated w...


Álvarez, E.Mejía, Juan FernandoLlano Rodríguez, Germán AlbertoLoke, John Bernard[Detection and characterization of a phytoplasma associated with frog skin disease in cassava]Detection and characterization of a phytoplasma associated with frog skin disease in cassava

Cassava Frogskin Disease (CFSD) can cause severe damage to cassava roots and is one of the most important diseases of cassava in Latin America. The principal objective of this study was to identify the causal agent of CFSD. Electron microscopy, viral purifications, double-stranded RNA (dsRNA) ana...


Calvert, Lee A.Cuervo Ibáñez, MaritzaLozano Potes, IVillareal, N.Arroyave, José A.[Identification of three strains of a virus associated with cassava plants affected by Frogskin disease]Identification of three strains of a virus associated with cassava plants affected by Frogskin disease

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