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The phytoplasma associated with Bogia coconut syndrome in Papua New Guinea is a new phytoplasma in the group of the lethal yellowing syndromes (LYTS) of coconut and other palms. Dollet Michel, Fabre Sandrine, Beaumont Maëva, Barnabé Christian, Namaliu Yak, Kembu Alfred, Bourdeix Roland. 2022. Tropical Plant Pathology, 47 (4) : 530-552.

Models of traps for the coconut pests Rhyncophorus bilineatus and Scapanes australis and their trapping efficiency in Papua New Guinea. Kakul Titus, Laup Samson, Prior Robert N.B., Rochat Didier, Morin Jean-Paul, Embupa Sebastian, Ollivier Laurence. 2004. CORD. Coconut Research and Development, 20 (1) : 52-62.

Pheromone synergists as co-attractant for olfactory trapping of Scapanes australis (Boisd.) (Coleoptera: Scarabaeidae) pest of coconut in Papua New Guinea. Kakul Titus, Rochat Didier, Morin Jean-Paul, Gende P., Embupa Sebastian, Ollivier Laurence. 2004. CORD. Coconut Research and Development, 20 (1) : 63-68.

Durability of field resistance to black pod disease of cacao in Papua New Guinea. Saul-Maora J., Namaliu Yak, Cilas Christian, Blaha Georges. 2003. Plant Disease, 87 (12) : 1423-1425.

Activity of male pheromone of Melanesian rhinoceros beetle Scapanes australis. Rochat Didier, Morin Jean-Paul, Kakul Titus, Beaudoin-Ollivier Laurence, Prior Robert N.B., Renou Michel, Malosse Isabelle, Stathers Tanya, Embupa Sebastian, Laup Samson. 2002. Journal of Chemical Ecology, 28 (3) : 479-500.

Is the resistance to Phytophthora pod rot mainly polygenic and additive? Efron Yoel, Blaha Georges, Epaina P.. 2002. Ingenic Newsletter (7) : 2-4.

Replanting/underplanting strategy for old coconut plantations in Papua New Guinea. Ollivier Jean, Akus W., Beaudoin-Ollivier Laurence, Bonneau Xavier, Kakul Titus. 2001. OCL. Oléagineux Corps gras Lipides, 8 (6) : 659-665.

The larval development sites of the Melanesian coconut beetle Scapanes australis Boisduval (Coleoptera: Scarabaeidae: Dynastinae) in Papua New Guinea. Beaudoin-Ollivier Laurence, Prior Robert N.B., Morin Jean-Paul, Nanguai R., Kakul Titus. 2001. Science in New Guinea, 26 : 52-60.

A new type of trap for capturing Oryctes rhinoceros (Scarabaeidae, Dynastinae), the main pest in young oil palm and coconut plantings. Morin Jean-Paul, Sudharto Ps, Purba Rolettha Y., Desmier De Chenon Roch, Kakul Titus, Laup Samson, Beaudoin-Ollivier Laurence, Rochat Didier. 2001. CORD. Coconut Research and Development, 17 (2) : 13-22.

Impact économique de différents scenarios de replantation de vieille cocoteraie. Ollivier Jean, Akus W., Bonneau Xavier. 2000. OCL. Oléagineux Corps gras Lipides, 7 (2) : 197-202.

New aspects of the biology of Melanesian rhinoceros beetle Scapanes australis (Col., Dynastidae) and evidence for field attraction to males. Prior Robert N.B., Morin Jean-Paul, Rochat Didier, Beaudoin-Ollivier Laurence, Stathers Tanya, Kakul Titus, Embupa Sebastian, Nanguai R.. 2000. Journal of Applied Entomology, 124 (1) : 41-50.

Role of solid-phase microextraction in the identification of highly volatile pheromones of two Rhinoceros beetles Scapanes australis and Strategus aloeus (Coleoptera, Scarabaeidae, Dynastinae). Rochat Didier, Ramirez-Lucas Olga Pamela, Malosse Christian, Aldana Rosa, Kakul Titus, Morin Jean-Paul. 2000. Journal of Chromatography A, 885 (1-2) : 433-444.

Simplified field key to identify larvae of some rhinoceros beetles and associated scarabs (Coleoptera: scarabaeoidea) in Papua New Guinea coconut developments. Beaudoin-Ollivier Laurence, Prior Robert N.B., Laup Samson. 2000. Annals of the Entomological Society of America, 93 (1) : 90-95.

Le complexe Scapanes-Rhynchophorus, principal problème entomologique du cocotier en Papouasie-Nouvelle-Guinée. Beaudoin-Ollivier Laurence, Morin Jean-Paul, Prior Robert N.B., Kakul Titus, Ollivier Jean, Rochat Didier, Mariau Dominique. 1999. Plantations, Recherche, Développement, 6 (1) : 46-55.

Réponse de jeunes cocotiers hybrides à la fumure minérale en Papouasie-Nouvelle-Guinée. Premiers bilans agroéconomiques. Ollivier Jean, Akus W., Leplaideur Alain, Bonneau Xavier. 1999. Plantations, Recherche, Développement, 6 (6) : 415-431.

Trapping and disruption of the mating activity of Scapanes australis using live male as bait in Papua New Guinea. Kakul Titus, Laup Samson, Stathers Tanya, Beaudoin-Ollivier Laurence, Morin Jean-Paul, Rochat Didier. 1999. CORD. Coconut Research and Development, 15 (2) : 131-149.

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.). 2006. Amsterdam : CFC, 231 p. (CFC Technical paper, 50) ISBN 978-92-9043-734-5

Results and benefits of the CFC/ICCO/IPGRI project on cocoa germplasm utilization and conservation, a global approach. Adu-Ampomah Y., Amores Fredy, Badaru Kolawole, Efron Yoel, Engels Johannes M.M., Eskes Albertus, Frison Emile A., Gonzalez V.V., Hadley P., Iwaro A.D., Lamin K., Lass R.A., Maharaj K., Monteiro Wilson Reis, N'Goran Jeanne A.K., Nyassé Salomon, Paulin Didier. 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, 13-20. ISBN 978-065-959-5 Conférence Internationale sur la Recherche Cacaoyère. 14, Accra, Ghana, 13 Octobre 2003/18 Octobre 2003.

La protection des jeunes cultures de palmiers. Un moyen prometteur : le piégeage sélectif de masse des coléoptères ravageurs. Morin Jean-Paul, Prawirosukarto Sudharto, Purba Rolettha Y., Beaudoin-Ollivier Laurence, Kakul Titus, Aldana Rosa, Philippe René, Dery Sylvester Kuuna, Desmier De Chenon Roch, Rochat Didier. 2002. In : L'avenir des cultures pérennes, investissement et durabilité en zones tropicales humides, 5-9 novembre 2001, Yamoussoukro, Côte d'Ivoire = The future of perennial crops, investment and sustainability in the humid tropics : November, 5-9, 2001, Yamoussoukro, Côte d'Ivoire. Assamoi Yapo Robert (ed.), Burger Kees (ed.), Nicolas Dominique (ed.), Ruf François (ed.), De Vernou Patrice (ed.). CIRAD, BNETD, ESI, Vrije Universiteit. Montpellier : CIRAD ISBN 2-87614-502-2 Conférence internationale sur l'avenir des cultures pérennes, Yamoussoukro, Côte d'Ivoire, 5 Novembre 2001/9 Novembre 2001.

Stratégie de replantation/complantation de vieille cocoteraie en Papaouasie-Nouvelle-Guinée. Ollivier Jean, Akus W., Beaudoin-Ollivier Laurence, Bonneau Xavier, Kakul Titus. 2002. In : L'avenir des cultures pérennes, investissement et durabilité en zones tropicales humides, 5-9 novembre 2001, Yamoussoukro, Côte d'Ivoire = The future of perennial crops, investment and sustainability in the humid tropics : November, 5-9, 2001, Yamoussoukro, Côte d'Ivoire. Assamoi Yapo Robert (ed.), Burger Kees (ed.), Nicolas Dominique (ed.), Ruf François (ed.), De Vernou Patrice (ed.). CIRAD, BNETD, ESI, Vrije Universiteit. Montpellier : CIRAD ISBN 2-87614-502-2 Conférence internationale sur l'avenir des cultures pérennes, Yamoussoukro, Côte d'Ivoire, 5 Novembre 2001/9 Novembre 2001.

Implementation of selection trials and data collection : Evaluation of vigour, yield, pod and bean traits. Efron Yoel, N'Goran Jeanne A.K., Lachenaud Philippe. 2000. In : Working procedures for cocoa germplasm evaluation and selection : Proceedings of the CFC/ICCO/IPGRI Project workshop, 1-6 February 1998, Montpellier, France. Eskes Albertus (ed.), Engels Johannes M.M. (ed.), Lass R.A. (ed.). IPGRI, CFC, ICCO. Rome : IPGRI, 76-82. ISBN 92-904343-4-1 CFC/ICCO/IPGRI Project Workshop, Montpellier, France, 1 Février 1998/6 Février 1998.

Disease resistance studies and breeding in Papua New Guinea. Efron Yoel, Faure M., Saul J., Blaha Georges. 1999. In : Proceedings of the International workshop on the contribution of disease resistance to cocoa variety improvement. Bekele Frances L. (ed.), End Michelle (ed.), Eskes Albertus (ed.). INGENIC. Reading : INGENIC, 181-188. ISBN 1-90-052701-4 International Workshop on the Contribution of Disease Resistance to Cocoa Variety Improvement. 2, Salvador, Brésil, 24 Novembre 1996/26 Novembre 1996.

Importance de la connaissance de la biologie pour la mise en oeuvre d'un piégeage. Cas de Scapanes Australis (Coleoptera : Dynastidae) ravageur du cocotier en Papouasie Nouvelle-Guinée. Morin Jean-Paul, Kakul Titus, Beaudoin-Ollivier Laurence, Rochat Didier, Prior Robert N.B.. 1999. In : Cinquième conférence internationale sur les ravageurs en agriculture = Fifth International conference on pests in agriculture. ANPP, Languedoc-Roussillon-Conseil régional, Hérault-Conseil général, ENSAM, INRA, CTA. Paris : ANPP, 303-310. (Annales) ISBN 2-905550-83-X Conférence internationale sur les ravageurs en agriculture. 5, Montpellier, France, 7 Décembre 1999/9 Décembre 1999.

Données récentes sur l'écologie chimique des dynastes (Coleoptera, Scarabaeidae). Rochat Didier, Morin Jean-Paul, Ramirez-Lucas Olga Pamela, Malosse Christian, Aldana Rosa, Aldana Jorge, Kakul Titus, Beaudoin-Ollivier Laurence, Desmier De Chenon Roch, Mohammadpoor Kazem, Avand-Faghih Arman. 2000. In : XIIIe Colloque sur la Physiologie de l'Insecte. INRA. Versailles : INRA, 1 p. Colloque sur la Physiologie de l'insecte. 13, Versailles, France, 21 Mai 2000/23 Mai 2000.

Original aggregation pheromone of the rhinoceros beetle Scapanes australis (Coleoptera, Scarabaeida, Dynastinae). Renou Michel, Rochat Didier, Morin Jean-Paul, Kakul Titus, Prior Robert N.B., Beaudoin-Ollivier Laurence, Malosse Christian, Malosse Isabelle, Embupa Sebastian. 1999. In : 16th annual meeting, ISCE Marseille, nov. 13-17, 1999. Marseille : ISCE, [1 p.] ISCE Annual Meeting. 16, Marseille, France, 13 Novembre 1999/17 Novembre 1999.

Bulk segregant analyses of (17-3/1 X 36-3/1) progeny for resistance to Phytophthora : preliminary results. Lanaud Claire, Paulin Didier, Clément Didier, Ducamp Michel, Fouet Olivier, Vezian-Bonnemayre Katia, Efron Yoel, Risterucci Ange-Marie. 2004. In : Cocoa germplasm improvement: global and participatory approaches. CFC, ICCO, IPGRI. Rome : IPGRI, Diaporama, (9 vues) CFC/ICCO/IPGRI Projects Workshop, Reading, Royaume-Uni, 28 Mars 2004/3 Avril 2004.

Control of Scapanes australis a major pest of coconut using semiochemicals. Kakul Titus, Laup Samson, Ollivier Laurence, Morin Jean-Paul, Rochat Didier. 2000. In : XXI International congress of entomology. Gazzoni D.L. (ed.). EMBRAPA-Soja, SEB. Londrina : EMBRAPA, Résumé, 172. (Documentos Embrapa Soja, 143) International Congress of Entomology. 21, Foz do Iguaçu, Brésil, 20 Août 2000/26 Août 2000.

Rehabilitation by chupon bud grafting, a possible solution to overcome yield decline and losses to diseases of cocoa in Papua New Guinea. Efron Yoel, Blaha Georges, Konam J., Tade E., Powell M.. 2000. In : 13 Conférence internationale sur la recherche cacaoyère : résumés = 13 International cocoa research conference: summaries ; 13 Conferencia internacional de pesquisas em cacau : resumos ; 13 Conferencia internacional de investigacion en cacao : resumenes. Lagos : Cocoa Producers' Alliance, 1 p. Conférence Internationale sur la Recherche Cacaoyère. 13, Kota Kinabalu, Malaisie, 9 Octobre 2000/14 Octobre 2000.

Original aggregation pheromone of the rhinoceros beetle Scapanes australis (Coleoptera, Scarabaeida, Dynastinae). Renou Michel, Rochat Didier, Morin Jean-Paul, Kakul Titus, Prior Robert N.B., Beaudoin-Ollivier Laurence, Malosse Christian, Malosse Isabelle, Embupa Sebastian. 1999. In : Scientific program and Abstracts : 16th annual meeting, Marseille, France, 13-17 November 1999. ISCE. Marseille : INRA, 1 p. ISCE Annual Meeting. 16, Marseille, France, 13 Novembre 1999/17 Novembre 1999.

Unusual aggregation pheromone of the Melanesian rhinoceros beetle Scapanes australis BSDV. (Coleoptera, Scarabaeidae). Rochat Didier, Morin Jean-Paul, Kakul Titus, Beaudoin-Ollivier Laurence, Prior Robert N.B., Malosse Christian, Malosse Isabelle, Renou Michel, Embupa Sebastian. 1999. In : First Asia-Pacific Conference on Chemical Ecology, Nov. 1-4, 1999, Shanghai, Chine. APACE. Shanghai : APACE, 105-106. Asia-Pacific Conference on Chemical Ecology. 1, Shanghai, Chine, 1 Novembre 1999/4 Novembre 1999.

Rapport de mission d'appui à la section Coconut Agronomy & Farming System du Cocoa & Coconut Institute. Papouasie Nouvelle Guinée, Stewart Research Station, Madang. Ollivier Jean, Akus W., Wasange W., Aloisius S., Sik K.. 2004. Montpellier : CIRAD-CP, 88 p. N° de rapport : CP_SIC 1717

Report on the support mision to the Coconut Agronomy & Farming System section of the Cocoa & Coconut Institute. Papua New Guinea, Stewart Research Station, Madang. Ollivier Jean, Akus W., Wasange W., Aloisius S., Sik K.. 2004. Montpellier : CIRAD-CP, 88 p. N° de rapport : CP_SIC 1717

Final report of project ERB 18 CT 970199. New technology of pest management against insect pests of oil palm and coconut crops. Research on and development of selective trapping using synthetic attractants : CCRI report (October 1997 - September 2001). Kakul Titus, Laup Samson, Ollivier Laurence, Gende P.. 2001. In : INCO project ERB 18 CT 970199. New technology for management against insect pests of oil palm and coconut crops. Research on and development of selective trapping using synthetic attractant : Final report (1997-2001). Morin Jean-Paul (ed.). CIRAD-CP-COCOTIER, CIRAD-CP-PALMIER, INRA, CENIPALMA, IOPRI, CCRI. Montpellier : CIRAD-CP, 14 p.

Projet CEE - INCO N1 IC 18 CT 970199. New technology for controlling insect pests of oil palm and coconut crops. Research and development of selective trapping using synthetic attractants : Progress report. November 1999 - April 2000. Kakul Titus, Laup Samson, Ollivier Laurence. 2000. In : INCO Project ERB 18 CT 970199. New technology of pest management against insect pests of oil palm and coconut crops. Research and development of selective trapping using synthetic attractants : Year 3 - Half-yearly progress report n°3... Mariau Dominique. CIRAD-CP-PALMIER, CIRAD-CP-COCOTIER. Montpellier : CIRAD-CP, 3 p.

INCO Project ERB 18 CT 970199. New technology of pest management against insect pests of oil palm and coconut crops. Research and development of selective trapping using synthetic attractants : Progress report, 6 monthly activity report, covering the period from November 1998 to April 1999. Laup Samson, Ollivier Laurence, Kakul Titus. 1999. In : INCO Project ERB 18 CT 970199. New technology of pest management against insect pests of oil palm and coconut crops. Research and development of selective trapping using synthetic attractants : Year 2 - Half-yearly progress report n°2.. Mariau Dominique. CIRAD-CP-PALMIER, CIRAD-CP-COCOTIER. Montpellier : CIRAD-CP, 1 p.

INCO Project ERB 18 CT 970199. New technology of pest management against insect pests of oil palm and coconut crops. Research and development of selective trapping using synthetic attractants. Year 2 - Annual report : CCRI report. Laup Samson, Ollivier Laurence, Kakul Titus. 1999. In : INCO Project ERB 18 CT 970199. New technology of pest management against insect pests of oil palm and coconut crops. Research and development of selective trapping using synthetic attractants : Year 2 - Annual report n°2, November 1999. Mariau Dominique. CIRAD-CP-PALMIER, CIRAD-CP-COCOTIER. Montpellier : CIRAD-CP, 10-48 p.

Project CEE-INCO N1 IC18CT970199. CCRI Report : First annual report. Prior Robert N.B., Ollivier Laurence. 1998. In : INCO Project ERBIC 18 CT 970199. New technology of pest management against insect pests of oil palm and coconut crops. Research on and development of selective trapping using synthetic attractants : Year 1 - Annual report n°1, October 1998. Mariau Dominique. CIRAD-CP-COCOTIER, CIRAD-CP-PALMIER. Paris : CIRAD-CP, 6 p.