Conferences & Workshops

2019

• Ntsomboh-Ntsefong G., 2019. Welcome letter, as Keynote speaker, session chair, member of organizing committee/reviewer and scientific committee member. In: Conference book, ICFNA19 27-28 September 2019, Istanbul (TURKEY), pp. 13, 15, 18, 99.
• Ntsomboh-Ntsefong G., 2019. Lipid analysis and genetic variability study highlight findings to address controversies around oil palm (Elaeis guineensis Jacq.) development and palm oil consumption. Oral presentation FNA19133 In: Conference book, International Conference on Food, Nutrition and Agriculture; 27-28 September 2019, Istanbul (Turkey), p. 79.
• Ntsomboh-Ntsefong G., Ngando Ebongue G. F., Arondel Vincent (†), Yijun Yuan, Laetitia Fouillen, Marina Le Guédard, Ngalle H. B., Likeng-li-Ngue B. C., Tabi Mbi K., Tonfack L. B., Bell J. M., Youmbi E., 2019. Lipid analysis and genetic variability study of oil palm (Elaeis guineensis Jacq.) highlight findings to address controversies around development and consumption of palm oil. Oral and poster presentations. 6th International PKFokam Conference on Science & Technology ; 11 – 13 June 2019, Yaounde-Cameroon.
• Kenmogne Simo Thierry Césaire, Di-Maissou Jean Albert, Mana Ngangue Sastile, Ntsomboh-Ntsefong G., Ngando Ebongue George, Mpondo Mpondo Emmanuel, 2019. Etude de l’origine et de l’identite de quelques types d’huiles vegetales raffinees commercialisees à Douala /Cameroun. CONFCAYS 2019, 28 – 29 August 2019, Yaounde, Cameroon. https://hal-auf.archives-ouvertes.fr/hal-02278073.
• Salamatou Mpemboura Nsangou, Libert Brice Tonfack, Didier Mbeguie A Mbeguie, Ntsomboh-Ntsefong G., Carine Temegne Nono, Fabrice Tonfack Djikeng, Emmanuel Youmbi, 2019. Some factors influencing lipid content in Dacryodes edulis ((G. Don) H. J. Lam) fruits. Poster presentation FNA19127 In: Conference book, International Conference on Food, Nutrition and Agriculture; 27-28 September 2019, Istanbul (Turkey), p. 68.
• Brice Tchakam Kamtchueng, Mengnjo Jude Wirmvem, Rosemary Tonjock, Paul Animbom, Magellan Guewo Fokeng, Ntsomboh-Ntsefong G., 2019. CONFCAYS 2019 & Sub Regional Training Workshop on Science Advice [Science Advice in Africa: Opportunity or illusion] & Young Scientists: Mainspring of innovation and development in Africa. CONFCAYS 2019, Aug 2019, Yaounde, Cameroon. https://hal-auf.archives-ouvertes.fr/hal-02278073.
• Likeng-Li-Ngue Benoit Constant, Ntsomboh-Ntsefong G., Miwanang Paul Rodrigue, Ngalle-Bille Hermine, Ngando-Ebongue Georges Frank , Bell Joseph Martin, 2019. Acidity of crude palm oil consumed by Cameroonian population: origin and potential improvement strategies. CONFCAYS 2019, 28 – 29 August 2019, Yaounde, Cameroon. https://hal-auf.archives-ouvertes.fr/hal-02278073.

2018

• Ntsomboh-Ntsefong G., 2018. Managing Major Diseases of the Oil Palm (Elaeis guineensis Jacq.). 5th Africa Oil Palm & Rubber Summit. 25-26 Apr, 2018 - Accra, GHANA. Labadi Beach Hotel. Oral presentation, Day 1, Wed 25, April, 2018. Chairman’s Introduction, Day 2, Thu 26, April], 2018. http://www.cmtevents.com/speakerprofiles.aspx?ev=180407&spid=266607&

2017

• Ntsomboh-Ntsefong G., 2017. Training workshop in Bioinformatics, co-organized by CETIC (Cameroon) – ACEGID (Nigeria) from 24th to 29th January, 2017 at CETIC/ENSPT, University of Yaounde I.
• Ntsomboh-Ntsefong G., 2017. Member of the expert commission for the validation of the ECCAS sub-regional strategy for sustainable oil palm development. Workshop co-organized by the Economic Community of Central African States (ECCAS) and the World Wide Fund for Nature (WWF), from the 30th to 31st of March, 2017 at Azur Hotel in Yaounde.
• Nyaka N.A.I.C., Owona N.P.A., Oumar D., Ntsomboh-Ntsefong G., Njonje S.W., and Ehabe E.E., 2017. Characterization of pestalotiopsis microspora, causal agent of leaf blight on rubber (Hevea brasiliensis) in cameroon. Proceedings of IRC 2017, ejournal.puslitkaret.co.id

2016

• Ntsomboh-Ntsefong G., Yuan Y., Arondel V., Fouillen L., Ngando E.G.F., Le Guédard M., Ngalle B.H., Bell J.M., Tonfack L.B. & Youmbi E., 2016. GC-FID and LC-MS/MS analyses reveal very low palmitic acid content in palm oil extracted from elite cultivars of Elaeis guineensis Jacq. Poster presentation at the CBS Annual conference, Banganté-Cameroon, 1st – 3rd December 2016. cited by 7 (1.75 per year)
• Ntsomboh-Ntsefong G., 2016. Oil palm (Elaeis guineensis Jacq.) genetic resource material transfer agreements as a strategic tool for Cameroon’s diplomacy. Présentation oral : Colloque du CREDIS intitulé « Une diplomatie au service de l’émergence » à l’IRIC au Cameroun, à Yaoundé, du 19 au 21 décembre 2016.
• Ntsomboh-Ntsefong G., 2016. Présentation de six Posters et animation du stand IRAD Dibamba. Journées d’excellence de la recherche scientifique et de l’innovation du Littoral (JERSI-LT), Bonanjo, Douala 2016.
• Ntsomboh-Ntsefong G., 2016. Présentation des Posters et animation du stand IRAD Dibamba. Journees Pharmaceutiques et Industielles du 27-28 Mai 2016. Faculte de Medicine et des Sciences Pharmaceutiques. Universite de Douala.
• Fouillen L., Ntsomboh-Ntsefong G., Yuan Y., Ngando E.G.F., Lessire R., Le Guédard M., Arondel V., 2016. Lipidomics workflow to investigate the natural variability of palm oil. 33emes journées françaises de spectrometrie de masse, Bordeaux, France. September 2016.

2015

• Ntsomboh-Ntsefong G., 2015. Assessment of some oil palm (E. guineensis Jacq.) progenies for vascular wilt disease tolerance with local strains of Fusarium oxysporum f. sp. elaeidis in Cameroon. Oral presentation at the IRAD’s Agro-ecological Zone IV “Scientific Review and Administrative Planning Workshop” organized by Ekona Regional Research Centre and held at Elongo Garden, Kumba-Cameroon, from 21st – 22nd July, 2015.
• Choula F., Taffouo V.D., Priso R.J., Etame J., Ntsomboh-Ntsefong G. & Kome N.B., 2015. Regeneration de trois essences forestières (Millettia laurentii De Wild, Microberlina bisculcata A. Chev. Et Lophira alata Banks ex Gaertn.) en sylviculture sur sol dégradé dans la forêt tropicale humide de Boa au Cameroon. PS-03/42, 22nd Annual Conference of the Cameroon Bioscience Society, 3-5 December 2015, IRAD Nkolbisson, Yaounde. Book of abstracts, p. 247.
• Nguimkeng G.E.D., Zapfack L., Temegne N.C., Ntsomboh-Ntsefong G. & Youmbi E., 2015. Dispersion exclusivement entomophile des pollens et dodes de fécondation de Vernonia amygdalina Del. et Vernonia calvoana Hook. PS-02/34, 22nd Annual Conference of the Cameroon Bioscience Society, 3-5 December 2015, IRAD Nkolbisson, Yaounde. Book of abstracts, p. 187.
• Siadjeu C., Ngando E.G.F., Bell J.M., Ngalle H.B. & Ntsomboh-Ntsefong G., 2015. Content of neutral lipids and fatty acid composition of the oil palm seeds (Elaeis guineensis Jacq.) during germination. PS-02/18, 22nd Annual Conference of the Cameroon Bioscience Society, 3-5 December 2015, IRAD Nkolbisson, Yaounde. Book of abstracts, p. 171.
• Mbogne T.J., Nono T.C., Hougnandan P., Youmbi E., Tonfact L.B. & Ntsomboh-Ntsefong G., 2015. Study of the biodiversity of arbuscular mycorrhizal fungi of pumpkins (Cucurbita spp.) under the influence of fertilizers in ferralitic soils of Cameroon and Benin. R2-PLS03/03, 22nd Annual Conference of the Cameroon Bioscience Society, 3-5 December 2015, IRAD Nkolbisson, Yaounde. Book of abstracts, p. 89.
• Neumsi K.P.P., Youmbi E., Mbogne J.T., Temegne C.N., Edinguele M.D.G., Tonfack L.B. & Ntsomboh-Ntsefong G., 2015. Influence du semis direct sous couverture vegetale sur la production et la valeur nutritionnelle du riz pluvial de plateaux. PS- 01/23, 22nd Annual Conference of the Cameroon Bioscience Society, 3-5 December 2015, IRAD Nkolbisson, Yaounde. Book of abstracts, p. 132.

2013

• Ntsomboh-Ntsefong G., 2013. Promotion de l’utilisation du matériel végétal amélioré du palmier à huile par les petits producteurs au Cameroun. Atelier de Renforcement des Capacités sur la Production Durable de l’Huile de Palme et la Certification RSPO au Cameroun, WWF, ZSL, Présentation orale, 26-28 Juin 2013, Douala, Cameroun.
• Ijang T.P., Ngando E.G. F., Nchinda V., Ntsomboh-Ntsefong G., Madi G., Amang A Mbang J., Mveme O.M., 2013. Land tenure, Clients perception and use of improved oil palm (E. guineensis Jacq.) vegetative material produced and distributed by IRAD-CEREPAH of La Dibamba. The Africa Climate Conference, 15-18 October 2013, Arusha, Tanzania.
• Tabi M.K., Tonfack L.B., Ngando E.G.F., Ntsomboh-Ntsefong G. & Youmbi E., 2013. Determination of optimal conditions for viability test and conservation of oil palm (Elaeis guineensis) pollen. Cameroon Biosciences Proceedings (ISSN 1019 7702), 19: 19-21.
• Bilong E.G., Tiati N.C.D., Abossolo-Angué M., Anaba B.D., Madi G. & Ntsomboh-Ntsefong G., 2013. Incidence de la pratique du brulis en agriculture paysanne sur le phénomène des gousses vides de l’arachide en zone forestière du Sud Cameroun. Cameroon Biosciences Conference Proceedings (ISSN 1019 770219) : 26-28.

2011

• Ntsomboh-Ntsefong G., Ngando Ebongue G. F., Koona P., Bell J. M., Youmbi E., Ngalle H. B., Bilong E. G., and Nsimi Mva A., 2011. Gas chromatography: an appropriate technique for the separation and identification of the constituents of palm oil from the mesocarp of E. guineensis Jacq. In Book of abstracts of the 18th annual conference on “Bioscience and Human Health” of the CBS Douala, December 1st-03rd 2011.

2007

• Ntsomboh-Ntsefong G., 2007. Fruit Status of the Oil Palm (Elaeis guineensis Jacq. var. pisifera) in Controlled Pollination. Oral presentation at 14th Annual Conference of the Comité Camerounais des Biosciences (CCB) at the Bambili Antenna of the University of Dschang and the IRAD Bambui station - Bamenda. 6th – 8th December, 2007.