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Journal Article 1997

Autor: Craenen, K. Ortiz, R.

Use of resistant host genotypes is an important component of an integrated approach to control black sigatoka, a disease caused by the fungus Mycosphaerella fijiensis Morelet. The objective of the present research was to determine the role of the major gene for black sigatoka resistance (bs1) in ...

Enlace original: https://cgspace.cgiar.org/handle/10568/98706

Investigación en Agricultura
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Craenen, K. ,  Ortiz, R. ,  [Effect of the bs 1 gene in plantainbanana hybrids on response to black sigatoka] ,  Effect of the bs 1 gene in plantainbanana hybrids on response to black sigatoka
Book Chapter 1997

Autor: Blomme, Guy Ortiz, R.

Studies of Musa root systems have generally focused on the high value export dessert bananas. However, a much broader study is required to support the genetic improvement of plantains and cooking bananas. Detailed time course studies of root system development were carried out on 12 genotypes fro...

Enlace original: https://cgspace.cgiar.org/handle/10568/98766

Investigación en Agricultura
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Blomme, Guy ,  Ortiz, R. ,  [Preliminary evaluation of variability in Musa root system development] ,  Preliminary evaluation of variability in Musa root system development
Journal Article 1993

Autor: Vuylsteke, D.R. Swennen, R. Ortiz, R.
Enlace original: https://cgspace.cgiar.org/handle/10568/98605

Investigación en Agricultura
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Vuylsteke, D.R. ,  Swennen, R. ,  Ortiz, R. ,  [Registration of 14 improved tropical Musa plantain hybrids with black sigatoka resistance] ,  Registration of 14 improved tropical Musa plantain hybrids with black sigatoka resistance
Journal Article 1997

Autor: Ortiz, R.

Musa cultivars (bananas and plantains) are important crops in the humid tropics of Africa, America and Asia. This paper reports the extent of morphological variation of the Musa germplasm maintained in the gene-bank of the International Institute of Tropical Agriculture in southeastern Nigeria. Q...

Enlace original: https://cgspace.cgiar.org/handle/10568/98635

Investigación en Agricultura
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Ortiz, R. ,  [Morphological variation in Musa germplasm] ,  Morphological variation in Musa germplasm
Journal Article 1997

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

Plantain-derived tetraploid hybrids are routinely crossed In Musa breeding programmes with diploid Musa accessions for the efficient generation of putative triploid hybrid seed. However, natural open pollination of these same tetraploid hybrids also consistently generates viable seed. The mean ge...

Enlace original: https://cgspace.cgiar.org/handle/10568/98634

Investigación en Agricultura
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Ortiz, R. ,  Crouch, J.H. ,  [The efficiency of natural and artificial pollinators in plantain (Musa spp. AAB group) hybridisation and seed production] ,  The efficiency of natural and artificial pollinators in plantain (Musa spp. AAB group) hybridisation and seed production
Journal Article 1997

Autor: Ortiz, R. Austin, P.D. Vuylsteke, D.R.
Enlace original: https://cgspace.cgiar.org/handle/10568/98659

Investigación en Agricultura
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Ortiz, R. ,  Austin, P.D. ,  Vuylsteke, D.R. ,  [IITA High Rainfall Station: twenty years of research for sustainable agriculture in the West African humid forest] ,  IITA High Rainfall Station: twenty years of research for sustainable agriculture in the West African humid forest
Journal Article 1997

Autor: Osuji, J.O. Okoli, B.E. Vuylsteke, D.R. Ortiz, R.

Plantains and bananas (Musa spp. L.) are inter- or intraspecific triploid hybrids derived from crosses between M. acuminata Colla. (A genome) and M. balbisiana Colla. (B genome). Cultivars have been assigned to different taxonomic groups (AA, BB, AAA, AAB, ABB, etc.) based on morphological qualit...

Enlace original: https://cgspace.cgiar.org/handle/10568/98675

Investigación en Agricultura
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Osuji, J.O. ,  Okoli, B.E. ,  Vuylsteke, D.R. ,  Ortiz, R. ,  [Multivariate pattern of quantitative trait variation in triploid banana and plantain cultivars] ,  Multivariate pattern of quantitative trait variation in triploid banana and plantain cultivars
Journal Article 1997

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

Plantain and banana (Musa spp. L.) polyploid hybrids have been obtained after interspecific hybridisation and ploidy manipulations (i.e., interploidy crosses). The identification of promising hybrids for cultivar release requires their field testing to assess agronomic performance. The potential ...

Enlace original: https://cgspace.cgiar.org/handle/10568/98707

Investigación en Agricultura
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Ortiz, R. ,  Vuylsteke, D.R. ,  [Improved polyploid Musa germplasm developed by IITA through ploidy manipulations] ,  Improved polyploid Musa germplasm developed by IITA through ploidy manipulations

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