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Journal Article 2002

Autor: Ortiz, R. Nurminiemi, M. Madsen, S. Rognli, O.A. Bjørnstad, A.

Accurate assessments of genetic gains ensuing from plant breeding for the most important agronomic characteristics in Nordic spring barley (Hordeum vulgare L.) are not available. Hence this research was aimed to determine the rate of genetic improvement in the Nordic barley breeding pool. This st...

Enlace original: https://cgspace.cgiar.org/handle/10568/99958

Investigación en Agricultura
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Ortiz, R. ,  Nurminiemi, M. ,  Madsen, S. ,  Rognli, O.A. ,  Bjørnstad, A. ,  [Genetic gains in nordic spring barley breeding (1930searly 1990s)] ,  Genetic gains in nordic spring barley breeding (1930searly 1990s)
Journal Article 2001

Autor: Ortiz, R. Mohamed, S.F. Madsen, S. Weibull, J. Christiansen, J.L.

Phenotypic diversity for agronomic characteristics was determined in an experiment without fertilizer in 1998 in 41 two-row and 21 six-row winter barley accessions, provided by the Nordic Gene Bank, at Højbakkegård (Denmark). There were significant differences among these 62 accessions for spring...

Enlace original: https://cgspace.cgiar.org/handle/10568/104024

Investigación en Agricultura
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Ortiz, R. ,  Mohamed, S.F. ,  Madsen, S. ,  Weibull, J. ,  Christiansen, J.L. ,  [Assessment of phenotypic variation of winter barley in Scandinavia] ,  Assessment of phenotypic variation of winter barley in Scandinavia
Journal Article 2002

Autor: Nurminiemi, M. Madsen, S. Rognli, O. Bjornstad, A. Ortiz, R.

Variation in agronomic and quality characteristics was investigated in 220 Nordic spring barley cultivars across distinct environments (6 locations during 3 years) in the Nordic Region of Europe. The objectives of this research were to determine the importance of the genotype by environment inter...

Enlace original: https://cgspace.cgiar.org/handle/10568/92738

Investigación en Agricultura
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Nurminiemi, M. ,  Madsen, S. ,  Rognli, O. ,  Bjornstad, A. ,  Ortiz, R. ,  [Analysis of the genotypebyenvironment interaction of spring barley tested in the Nordic Region of Europe: relationships among stability statistics for grain yield] ,  Analysis of the genotypebyenvironment interaction of spring barley tested in the Nordic Region of Europe: relationships among stability statistics for grain yield
Journal Article 2002

Autor: Ortiz, R. Nurminiemi, M. Madsen, S. Rognli, O. Bjornstad, A.

A phenotypic diversity index (PDI) was calculated using 10 agronomic characteristics recorded in 90 accessions of 2-row spring barleys and 29accessions of 6-row spring barleys grown in the Nordic Region. The PDI ranged from 0.0308 to 0.6245 in 2-row barley accessions and from0.0314 to 0.7016 in 6...

Enlace original: https://cgspace.cgiar.org/handle/10568/92737

Investigación en Agricultura
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Ortiz, R. ,  Nurminiemi, M. ,  Madsen, S. ,  Rognli, O. ,  Bjornstad, A. ,  [Cultivar diversity in nordic spring barley breeding (1930-1991)] ,  Cultivar diversity in nordic spring barley breeding (1930-1991)
Journal Article 1998

Autor: Ortiz, R. Madsen, S. Vuylsteke, D.R.

Proper classification and establishment of relationships between and within Musa taxonomic clusters will be important tools for the genetic improvement of plantain and banana. This paper assesses the value of a phenotypic diversity index, based on 16 quantitative descriptors, for germplasm cluste...

Enlace original: https://cgspace.cgiar.org/handle/10568/100989

Investigación en Agricultura
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Ortiz, R. ,  Madsen, S. ,  Vuylsteke, D.R. ,  [Classification of African plantain landraces and banana cultivars using a phenotypic distance index of quantitative descriptors] ,  Classification of African plantain landraces and banana cultivars using a phenotypic distance index of quantitative descriptors
Journal Article 2000

Autor: Crouch, H.K. Crouch, J.H. Madsen, S. Vuylsteke, D.R. Ortiz, R.

Genetic diversity amongst 76 plantain landraces has been studied using RAPD analysis at two levels of intensity and compared with groupings based on phenotypic indices and morphotype. There was a good correlation (R2=0.78) between estimates of genetic diversity based on 76 RAPD bands and 164 RAPD...

Enlace original: https://cgspace.cgiar.org/handle/10568/99903

Investigación en Agricultura
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Crouch, H.K. ,  Crouch, J.H. ,  Madsen, S. ,  Vuylsteke, D.R. ,  Ortiz, R. ,  [Comparative analysis of phenotypic and genoytpic diversity among plantain landraces (Musa spp., AAB group)] ,  Comparative analysis of phenotypic and genoytpic diversity among plantain landraces (Musa spp., AAB group)

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