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Résultats pour Auteur : "Umaharan, Romina"

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Nombre de documents : 32.

Article de revue

Assessing the genetic diversity in the International cocoa genebank, trinidad (ICG, T) using isozyme electrophoresis and RAPD. Sounigo Olivier, Umaharan Romina, Christopher Yvette, Sankar Antoinette, Ramdahin Stacy. 2005. Genetic Resources and Crop Evolution, 52 (8) : 1111-1120.
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Relationships between black pod and witches' broom diseases in Theobroma cacao. Thévenin Jean-Marc, Umaharan Romina, Surujdeo-Maharaj Surendra, Latchman Balram M., Cilas Christian, Butler David R.. 2005. Phytopathology, 95 (11) : 1301-1307.
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Estimation of the level of heterozygosity of 570 cocoa clones using isozyme electrophoresis. Sounigo Olivier, Umaharan Romina, Sankar Antoinette, Ramdahin Stacy. 2001. Ingenic Newsletter (6) : 15-18.

Chapitre d'ouvrage

Description of cocoa clones proposed for the "CFC/ICCO/IPGRI project collection". Sounigo Olivier, Bekele Frances L., Iwaro A.D., Thévenin Jean-Marc, Bidaisee Gillian, Umaharan Romina, Sankar Antoinette, Sukha Darin A., Motilal Lambert A., Butler David R., Eskes Albertus. 2006. In : Global approaches to cocoa germplasm utilization and conservation : Final report of the CDC/CCO/IPGRI project on "Cocoa germplasm utilization and conservation: A global approach" (1998-2004). Eskes Albertus (ed.), Efron Yoel (ed.). CFC, ICCO, IPGRI. Amsterdam : CFC, 67-81. (CFC Technical paper, 50) ISBN 978-92-9043-734-5
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Review of resistance screening of cocoa seedlings and clones to witches broom disease : methods, problems and correlation with field results. The experience of the cocoa research unit, Trinidad. Thévenin Jean-Marc, Umaharan Romina, Butler David R.. 2006. In : Global approaches to cocoa germplasm utilization and conservation : Final report of the CDC/CCO/IPGRI project on "Cocoa germplasm utilization and conservation: A global approach" (1998-2004). Eskes Albertus (ed.), Efron Yoel (ed.). CFC, ICCO, IPGRI. Amsterdam : CFC, 137-145. (CFC Technical paper, 50) ISBN 978-92-9043-734-5
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Communication avec actes

Description of the CFC/ICCO/IPGRI project collection. Sounigo Olivier, Bekele Frances L., Iwaro A.D., Thévenin Jean-Marc, Bidaisee Gillian, Umaharan Romina, Sankar Antoinette, Sukha Darin A., Boccara Michel, Butler David R., Eskes Albertus. 2005. In : 14th International Cocoa Research Conference. Proceedings : rumo a uma economia sustentavel do cacau - quais as estrategias para este fim ? = 14th International Cocoa Research Conference. Proccedings ; 14e Conférence internationale sur la recherche cacaoyère. Actes ; 14 Conferencia Internacional de Pesquisas em Cacau. Atas ; 14 Conferencia Internacional de Investigacion en Cacao. Actas : towards a sustainable cocoa economy - what strategies to this end ? ; vers une économie cacaoyère durable : quelles stratégies d'approche ? ; rumo a uma economia sustentavel do cacau - quais as estrategias para este fim ? ; hacia una economia sustentable del ca. CEPLAC, CRIG, MCB. Lagos : Cocoa Producers' Alliance, 21-32. ISBN 978-065-959-5 Conférence Internationale sur la Recherche Cacaoyère. 14, Accra, Ghana, 13 Octobre 2003/18 Octobre 2003.
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Identification of resistance to witches broom disease in the International Cocoa Genebank, Trinidad. Umaharan Romina, Thévenin Jean-Marc, Surujdeo-Maharaj Surendra, Butler David R.. 2005. In : 14th International Cocoa Research Conference. Proceedings : rumo a uma economia sustentavel do cacau - quais as estrategias para este fim ? = 14th International Cocoa Research Conference. Proccedings ; 14e Conférence internationale sur la recherche cacaoyère. Actes ; 14 Conferencia Internacional de Pesquisas em Cacau. Atas ; 14 Conferencia Internacional de Investigacion en Cacao. Actas : towards a sustainable cocoa economy - what strategies to this end ? ; vers une économie cacaoyère durable : quelles stratégies d'approche ? ; rumo a uma economia sustentavel do cacau - quais as estrategias para este fim ? ; hacia una economia sustentable del ca. CEPLAC, CRIG, MCB. Lagos : Cocoa Producers' Alliance, 161-169. ISBN 978-065-959-5 Conférence Internationale sur la Recherche Cacaoyère. 14, Accra, Ghana, 13 Octobre 2003/18 Octobre 2003.
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Evaluation and use of the genetic diversity present in the International Cocoa Genebank (ICG,T), in Trinidad. Sounigo Olivier, Christopher Yvette, Ramdahin Stacy, Umaharan Romina, Sankar Antoinette. 2001. In : Proceedings of the International workshop on new technologies and cocoa breeding. Bekele Frances L. (ed.), End Michelle (ed.), Eskes Albertus (ed.). INGENIC. Reading : INGENIC, 65-71. ISBN 1-900527-02-2 International Workshop on New Technologies and Cocoa Breeding. 3, Kota Kinabalu, Malaisie, 16 Octobre 2000/17 Octobre 2000.
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Communication sans actes

Frosty Pod Rot Disease: reducing the risk of its introduction to the ICGT. Umaharan Romina, Ten Hoopen Gerben Martijn. 2017. In : Research and development initiatives in support of economic diversification. Saint Augustine : Cocoa Research Centre, Résumé, 1 p. Cocoa Research and Development Symposium, Saint Augustine, Trinité-et-Tobago, 15 Mars 2017/15 Mars 2017.
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Preventing the spread and mitigating the impact of cocoa diseases in the Caribbean. Ten Hoopen Gerben Martijn, Umaharan Romina. 2017. In : Research and development initiatives in support of economic diversification. Saint Augustine : Cocoa Research Centre, Résumé, 1 p. Cocoa Research and Development Symposium, Saint Augustine, Trinité-et-Tobago, 15 Mars 2017/15 Mars 2017.
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Description of the CFC/ICCO/IPGRI project collection. Sounigo Olivier, Bekele Frances L., Iwaro A.D., Thévenin Jean-Marc, Bidaisee Gillian, Umaharan Romina, Sankar Antoinette, Sukha Darin A., Motilal Lambert A., Butler David R., Eskes Albertus. 2004. In : Cocoa germplasm improvement: global and participatory approaches. CFC, ICCO, IPGRI. Rome : IPGRI, Diaporama, (25 vues) CFC/ICCO/IPGRI Projects Workshop, Reading, Royaume-Uni, 28 Mars 2004/3 Avril 2004.

Evaluation of cacao disease resistance under natural conditions of infection (CFC Project). Thévenin Jean-Marc, Umaharan Romina. 2004. In : Cocoa germplasm improvement: global and participatory approaches. CFC, ICCO, IPGRI. Rome : IPGRI, Diaporama, (38 vues) CFC/ICCO/IPGRI Projects Workshop, Reading, Royaume-Uni, 28 Mars 2004/3 Avril 2004.

Evaluation of cacao resistance to Witches' Broom disease : screening under controlled conditions (ACRI/WCF project). Umaharan Romina, Thévenin Jean-Marc. 2004. In : Cocoa germplasm improvement: global and participatory approaches. CFC, ICCO, IPGRI. Rome : IPGRI, Diaporama, 16-38. CFC/ICCO/IPGRI Projects Workshop, Reading, Royaume-Uni, 28 Mars 2004/3 Avril 2004.

Problems and solutions adopted for clone multiplication. Iwaro A.D., Thévenin Jean-Marc, Umaharan Romina. 2004. In : Cocoa germplasm improvement: global and participatory approaches. CFC, ICCO, IPGRI. Rome : IPGRI, Diaporama, (16 vues) CFC/ICCO/IPGRI Projects Workshop, Reading, Royaume-Uni, 28 Mars 2004/3 Avril 2004.

Witches broom resistance screening methods. Which, how and why ? Thévenin Jean-Marc, Umaharan Romina. 2004. In : Cocoa germplasm improvement: global and participatory approaches. CFC, ICCO, IPGRI. Rome : IPGRI, Diaporama, (31 vues) CFC/ICCO/IPGRI Projects Workshop, Reading, Royaume-Uni, 28 Mars 2004/3 Avril 2004.

Evaluation and use of the genetic diversity present in the International Cocoa Genebank (ICG,T) in Trinidad. Sounigo Olivier, Christopher Yvette, Ramdahin Stacy, Umaharan Romina, Sankar Antoinette. 2000. In : Proceedings of the international workshop on the new technologies and cocoa breeding: abstracts. INGENIC. Reading : INGENIC, 10. International Workshop on New Technologies and Cocoa Breeding. 3, Kota Kinabalu, Malaisie, 16 Octobre 2000/17 Octobre 2000.
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Genetic diversity study of nine cocoa populations using RAPD. Sounigo Olivier, Christopher Yvette, Umaharan Romina. 1998. In : Malaysian International Cocoa Conference. 3. Paris : CIRAD-CP, 6 p. Malaysian international cocoa conference. 3, Kuala Lumpur, Malaisie, 27 Novembre 1998/28 Novembre 1998.

Chapitre de rapport

Evaluation of cocoa germplasm for resistance to Witches' Broom disease. Umaharan Romina, Thévenin Jean-Marc, Holder Annelle, Bhola Junior. 2005. In : Cocoa Research Unit. Annual report 2004. UWI-CRU. St Augustine : UWI, 44-47.
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Evaluation of cacao germplasm for resistance to Witches'Broom disease under controlled conditions. Umaharan Romina, Thévenin Jean-Marc, Holder Annelle, Bhola Junior. 2004. In : Cocoa Research Unit. Annual report 2003. UWI-CRU. St Augustine : UWI, 37-41.
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Field resistance of cocoa to Witches'Broom and black pod diseases. Thévenin Jean-Marc, Umaharan Romina, Latchman Balram M., Surujdeo-Maharaj Surendra. 2003. In : Cocoa Research Unit. Annual report 2002. UWI-CRU. St Augustine : UWI, 33-38.
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Mass screening for resistance to Witches'Broom disease under grennhouse conditions. Umaharan Romina, Thévenin Jean-Marc, Mosca Yulgye, Bhola Junior. 2003. In : Cocoa Research Unit. Annual report 2002. UWI-CRU. St Augustine : UWI, 39-43.
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Evaluation of cocoa germplasm for resistance to Witches'Broom disease. Umaharan Romina, Thévenin Jean-Marc, Surujdeo-Maharaj Surendra. 2002. In : Cocoa Research Unit. Annual report 2001. UWI-CRU. St Augustine : UWI, 38-41.
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Evaluation of cocoa germplasm for resistance to Witches'Broom disease. Umaharan Romina, Thévenin Jean-Marc, Surujdeo-Maharaj Surendra. 2001. In : Cocoa Research Unit. Annual report 2000. UWI-CRU. St Augustine : UWI, 30-33.
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Evaluation of cacao germplasm for resistance to Witches'Broom disease: preliminary screening experiments. Umaharan Romina, Thévenin Jean-Marc, Surujdeo-Maharaj Surendra, Latchman Balram M.. 2000. In : Cocoa Research Unit. Annual report 1999. UWI-CRU. St Augustine : UWI, 34-38.
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Field assessment of cacao germplasm for resistance to Witches'Broom and black pod diseases: year one. Latchman Balram M., Umaharan Romina, Surujdeo-Maharaj Surendra, Thévenin Jean-Marc. 2000. In : Cocoa Research Unit. Annual report 1999. UWI-CRU. St Augustine : UWI, 39-46.
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Assessing cacao genetic diversity using IE and RAPD techniques. Sounigo Olivier, Ramdahin Stacy, Umaharan Romina, Christopher Yvette. 1999. In : Cocoa Research Unit. Annual report 1998. UWI-CRU. St Augustine : UWI, 25-28.
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Evaluation of cacao germplasm for resistance to Witches'Broom disease. Umaharan Romina, Thévenin Jean-Marc, Surujdeo-Maharaj Surendra, Latchman Balram M.. 1999. In : Cocoa Research Unit. Annual report 1998. UWI-CRU. St Augustine : UWI, 36-37.
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Field assessment of cacao germplasm for resistance to Witches'Broom and black pod diseases. Thévenin Jean-Marc, Umaharan Romina, Latchman Balram M., Surujdeo-Maharaj Surendra. 1999. In : Cocoa Research Unit. Annual report 1998. UWI-CRU. St Augustine : UWI, 31-32.
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Comparison between genetic diversity data obtained from morphological, biochemical and molecular studies. Sounigo Olivier, Bekele Frances L., Bidaisee Gillian, Christopher Yvette, Umaharan Romina. 1998. In : Cocoa Research Unit. Annual report 1997. UWI-CRU. St Augustine : UWI, 20-29.
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Overview of the activities of the biochemistry laboratory. Sounigo Olivier, Christopher Yvette, Umaharan Romina, Motilal Lambert A.. 1998. In : Cocoa Research Unit. Annual report 1997. UWI-CRU. St Augustine : UWI, 19.
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Genetic diversity assessment of Theobroma cacao L. using iso-enzyme and RAPD analyses. Sounigo Olivier, Christopher Yvette, Umaharan Romina. 1997. In : Cocoa Research Unit. Annual report 1996. UWI-CRU. St Augustine : UWI, 35-51.
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Overview of the activities performed in the Biochemistry Unit. Sounigo Olivier, Christopher Yvette, Umaharan Romina, Motilal Lambert A.. 1997. In : Cocoa Research Unit. Annual report 1996. UWI-CRU. St Augustine : UWI, 34.
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