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Journal Article 2002

Autor: Upadhyaya, H. Bramel-Cox, P.J. Ortiz, R. Singh, S.

Peanut (Arachis hypogaea L.) breeding programs with a goal of rapid cultivar development have used mainly elite breeding lines and cultivars, which has resulted in the development of breeding materials with a narrow genetic base. Utilization of exotic germplasm resources in breeding programs is n...

Enlace original: https://cgspace.cgiar.org/handle/10568/92742

Investigación en Agricultura
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Upadhyaya, H. ,  Bramel-Cox, P.J. ,  Ortiz, R. ,  Singh, S. ,  [Developing a mini core of peanut for utilization of genetic resources] ,  Developing a mini core of peanut for utilization of genetic resources
Journal Article 2018

Autor: Batte, M. Mukiibi, A. Swennen, R.L. Uwimana, B. Pocasangre, L. Hovmalm, H.P. Geleta, M. Ortiz, R.

Morphological traits are commonly used for characterizing plant genetic resources. Germplasm characterization should be based on distinctly identifiable, stable and heritable traits that are expressed consistently and are easy to distinguish by the human eye. Characterization and documentation of...

Enlace original: https://cgspace.cgiar.org/handle/10568/89020

Investigación en Agricultura
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Batte, M. ,  Mukiibi, A. ,  Swennen, R.L. ,  Uwimana, B. ,  Pocasangre, L. ,  Hovmalm, H.P. ,  Geleta, M. ,  Ortiz, R. ,  [Suitability of existing Musa morphological descriptors to characterize East African highland ‘matooke’ bananas] ,  Suitability of existing Musa morphological descriptors to characterize East African highland ‘matooke’ bananas
Journal Article 1997

Autor: Ortiz, R. Langie, H.

Plantains (Musa spp., AAB group) are an important food crop in the humid lowlands of sub-Saharan Africa. Understanding the relationships between growth characteristics and yield potential (t ha-1 yr-1) would be useful in developing an ideotype to guide breeding efforts for this crop. We investiga...

Enlace original: https://cgspace.cgiar.org/handle/10568/95940

Investigación en Agricultura
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Ortiz, R. ,  Langie, H. ,  [Path analysis and ideotypes for plantain breeding] ,  Path analysis and ideotypes for plantain breeding
Journal Article 1998

Autor: Crouch, J.H. Vuylsteke, D.R. Ortiz, R.

Bananas and plantains (Musa spp.) are the most important tropical fruit crops. They form an integral component of the farming systems in the humid agroecological zones of the tropics. A broad array of applied cell and molecular techniques are increasingly being used worldwide to facilitate and en...

Enlace original: https://cgspace.cgiar.org/handle/10568/96021

Investigación en Agricultura
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Crouch, J.H. ,  Vuylsteke, D.R. ,  Ortiz, R. ,  [Perspectives on the application of biotechnology to assist the genetic enhancement of plantain and banana (Musa spp.)] ,  Perspectives on the application of biotechnology to assist the genetic enhancement of plantain and banana (Musa spp.)
Journal Article 1995

Autor: Ortiz, R. Vuylsteke, D.R. Dumpe, B. Ferris, R.S.B.

Banana weevil (Cosmopolites sordidus Germar) is a major limiting factor in the cultivation of plantains and bananas (Musa spp. L.) in sub-Saharan Africa. The larvae damage the crop by tunneling in the corm. Chemical control is feasible but not sustainable, whereas host plant resistance is safe an...

Enlace original: https://cgspace.cgiar.org/handle/10568/101067

Investigación en Agricultura
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Ortiz, R. ,  Vuylsteke, D.R. ,  Dumpe, B. ,  Ferris, R.S.B. ,  [Banana weevil resistance and corn hardness in Musa germplasm] ,  Banana weevil resistance and corn hardness in Musa germplasm
Journal Article 1998

Autor: Ortiz, R. Vuylsteke, D.R. Crouch, H. Crouch, J.
Enlace original: https://cgspace.cgiar.org/handle/10568/100988

Investigación en Agricultura
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Ortiz, R. ,  Vuylsteke, D.R. ,  Crouch, H. ,  Crouch, J. ,  [TM3x: triploid black sigatoka resistant Musa hybrid germplasm] ,  TM3x: triploid black sigatoka resistant Musa hybrid germplasm
Journal Article 1995

Autor: Cauwer, I. de Ortiz, R. Vuylsteke, D.R.

A multilocational evaluation trial comprising 18 Musa genotypes was carried out from 1991 to 1994 in three representative locations in the humid forest (Onne, Nigeria and M'Balmayo, Cameroon) and the Forest-savanna Transstion (Ibadan, Nigeria) Zones of West and Central Africa. The main objective ...

Enlace original: https://cgspace.cgiar.org/handle/10568/101094

Investigación en Agricultura
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Cauwer, I. de ,  Ortiz, R. ,  Vuylsteke, D.R. ,  [Genotype by environment interaction in Musa germplasm revealed by multisite evaluation in subSaharan Africa] ,  Genotype by environment interaction in Musa germplasm revealed by multisite evaluation in subSaharan Africa
Journal Article 1994

Autor: Ortiz, R. Iwanaga, Masaru Peloquin, S.J.

The use of ploidy manipulations in potato breeding has been successfully applied by breeders at the International Potato Center (CIP) as a tool for germplasm enhancement and for the introduction of desirable genes of wild species into the cultivated gene pool. This methodology consists in reducin...

Enlace original: https://cgspace.cgiar.org/handle/10568/100920

Investigación en Agricultura
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Ortiz, R. ,  Iwanaga, Masaru ,  Peloquin, S.J. ,  [Breeding potatoes for developing countries using wild tuber bearing Solanum spp. and ploidy manipulations] ,  Breeding potatoes for developing countries using wild tuber bearing Solanum spp. and ploidy manipulations
Journal Article 1995

Autor: Swennen, R. Vuylsteke, D.R. Ortiz, R.

Plantains (Musa spp., AAB group) are an important food crop and an integral component of the farming systems in the lowland humid forest zone of West and Central Africa. A group of 24 plantain cultivars, representing the major variability in West Africa, was evaluated for nine quantitative charac...

Enlace original: https://cgspace.cgiar.org/handle/10568/101088

Investigación en Agricultura
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Swennen, R. ,  Vuylsteke, D.R. ,  Ortiz, R. ,  [Phenotypic diversity and pattern of variation in West African plantains (Musa spp. AAB group)] ,  Phenotypic diversity and pattern of variation in West African plantains (Musa spp. AAB group)

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