Publication Titles

Books

  • Newton, L.E. (2013) Aloe L., Sansevieria Thunb. In A.D.Q. Agnew, Upland Kenya Wild Flowers and Ferns: 365–370. Nature Kenya, Nairobi.
  • Carter, S., Lavranos, J.J., Newton, L.E. & Walker, C.C. (2011) Aloes: The Definitive Guide. Royal Botanic Gardens, Kew. (ISBN 978–1–84246–439–7) [Reference Book of the Year Finalist, 2011.]
  • Newton, L.E. (2011) Uses of Succulent Plants in East Africa. Succulenta East Africa, Nairobi. (ISBN 6–164001–728067)

Papers

  • Newton, L.E. (2012) The identity of Sansevieria bagamoyensis. Bradleya 30: 103–106. (ISSN 0265–086X)
  • Newton, L.E. (2012) Going, going, nearly gone — a highly endangered tree species in Kenya. Euphorbia World 8(3): 27–30.
  • Newton, L.E. (2013) The genus Aloe in West Africa. The Nigerian Field 77: 21–24.
  • Newton, L. (2013) An aloe miscellany. Aloe 50: 58–60. Takawira-Nyenya, R.,
  • Newton, L.E., Wabuyele, E. & Stedje, B. (2014) Ethnobotanical uses of Sansevieria Thunb. (Asparagaceae) in Coast Province of Kenya. Ethnobotany Research & Applications 12: 51–69.
  • McCoy, T. & Newton, L.E. (2014) A new shrubby species of Aloe in the Imatong Mountains, Southern Sudan. Haseltonia 19: 64–65.

Publications

  • Newton, L.E. & Lomo, A. (1977) Relationship between pollen load and flight in agaonid wasps. Entomologische Berichten 37: 72–73.
  • Newton, L.E. & Lomo, A. (1979) The pollination of Ficus vogelii in Ghana. Botanical Journal of the Linnean Society 78: 21–30.
  • Newton, L.E. (1994) Observations on flowering of Sansevieria robusta in Kenya. East Africa Natural History Society Bulletin 24: 8–11.
  • Njoroge, G.N., Bussmann, R., Gemmill, B., Newton, L.E. & Ngumi, V.W. (2003) Some applied aspects of pollination for increased fruit and seed productivity with special reference to Citrullus lanatus (Watermelon). African Crop Science Conference Proceedings 6: 108–112.
  • Njoroge, G.N., Gemmill, B., Bussmann, R., Newton, L.E. & Ngumi, V.W. (2004) Pollination Ecology of Citrullus lanatus at Yatta, Kenya. International Journal of Tropical Insect Science 24: 73–77.
  • Newton, L.E. (2004) Sunbirds feeding on Sansevieria flowers. Nature East Africa 34(2): 8.
  • Newton, L.E. (2005) The Pollination of East African Succulent Plants. 18 pp. Succulenta East Africa, Nairobi.
  • Njoroge, G.N., Gemmill, B., Bussmann, R., Newton, L.E. & Ngumi, V.M. (2010) Diversity and efficiency of wild pollinators of watermelon (Citrullus lanatus (Thunb.) Mansf.) at Yatta (Kenya). Journal of Applied Horticulture 12(1): 35–41.
  • Karanja, R.H.N., Njoroge, G.N., Gikungu, M.W. & Newton, L.E. (2010) Bee interactions with wild flora around organic and conventional coffee farms in Kiambu district, central Kenya. Journal of Pollination Ecology 1(2): 7–12.
  • Karanja, R.H.N., Gikungu, M.W., Njoroge, G.N., Newton, L.E. & Kihoro, J.M. (2011) Comparison of Bee Pollinators of Coffee in Organic and Conventional Farms. Asian Journal of Agricultural Sciences 3(6): 469–474.
  • Frimpong, E. A., B Gemmill-Herren, I. Gordon and P.K. Kwapong . Effect of proximity of cocoa farm to natural ecosystem and farm landscape on cocoa pollination (in sumbision).
  • Gemmill-Herren, B. Fruitful Liaisons. Chapter on pollination in McNeely, J.A., R.A Mittermeie, T.M. Brooks,F. Boltz.  The Wealth of Nations:  Ecosystem Services, Biodiveristy and Human Well-being.   International Union for Conservation of Nature (IUCN), Conservation International (CI) and the International League of Conservation Photographers (ILCP).
  • Gemmill-Herren, B. and A. Ochieng.  2008. Role of Native Bees and Natural Habitats in Eggplant (Solanum melongena L.) Pollination in Kenya. Agriculture, Ecosystems and Environment 127: 31–36.
  • Haizer, R., D. Jarvis and B. Gemmill-Herren.  2008 The utility of crop genetic diversity in maintaining
ecosystem services Agriculture, Ecosystems & Environment 123: 261-270
  • Ricketts, T.H., I. Steffan-Dewenter, S.A. Cunningham, J. Regetz, C. Kremen, B. Gemmill-Herren, S.S. Greenleaf, A.M. Klein, M.M. Mayfield, L.A. Morandin, A. Ochieng' 2007. Landscape effects on crop pollination services: are there general patterns? Ecology Letters 11(5): 499-515.

Journal Articles

  • Martins, D. J. (2010) Not All Ants are Equal: Obligate acacia ants provide different levels of protection against mega-herbivores. African Journal of Ecology 48 1115-1122.
  • Martins, D. J. (2010) Pollination and seed dispersal in the endangered succulent Euphorbia brevitorta. Journal of East African Natural History 99(1).
  • Martins, D. J. (2009). Pollination and facultative ant-association in the African leopard orchid Ansellia africana. Journal of East African Natural History 98(1): 67–77
  • Martins, D. J. and S. D., Johnson. (2009). Distance and quality of natural habitat influence hawkmoth pollination of cultivated papaya. International Journal of Tropical Insect Science 29: 114–123.
  • Martins, D.J., & S.D. Johnson (2007). Hawkmoth pollination of aerangoid orchids in Kenya with special reference to nectar gradients in the floral spurs. American Journal of Botany 94: 650-659.
  • Martins, D. J. (2008). Pollination observations of the African violet in the Taita Hills, Kenya. Journal of East African Natural History 97: 33–42.
  • Martins, D. J., (2004). Foraging patterns of managed honeybees and wild bee species in an arid African environment: ecology, biodiversity and competition. International Journal of Tropical Insect Science 24 (1) 105-115.
  • Martins, D. J. and A. Powys (2003). A Notable Record of Seed Set in an endemic Kenyan acacia. Nature East Africa, the EANHS Bulletin 33

Book chapters

  • Martins, D. J. (2011). Repercussions of pesticides (including carbofuran) on nontarget, beneficial insects and use of insects in forensic analyses in Kenya. In Carbofuran and Wildlife Poisoning: Global Perspectives and Forensic Approaches (Ed. N. Richards), John Wiley & Sons Ltd., Chichester UK.
  • Martins, D. J. (2008). Papaya on small-holder farms in the Kerio valley, Kenya: ‘Bomas’, hedgerows, native plants and conserving male trees. In Tools for conservation and use of pollination services. Food and Agricultural Organisation of the United Nations, Rome Italy.
  • Martins, D. J. (2008). Pigeonpeas in Mwanza district, Tanzania: natural vegetation and traditional building materials provide resources for bees on-farms. In Tools for conservation and use of pollination services. Food and Agricultural Organisation of the United Nations, Rome Italy.
  • Martins, D. J. (2008). Vanilla - an emerging crop in western Uganda. In Tools for conservation and use of pollination services. Food and Agricultural Organisation of the United Nations, Rome Italy.
  • Martins, D. J. (2008). Coffee in forest and agro-forestry cultivation in Jimma, Ethiopia. In Tools for conservation and use of pollination services. Food and Agricultural Organisation of the United Nations, Rome Italy.
  • Martins, D. J. (2007). Acacia Pods in Kenya, In Crops, Browse and Pollinators in Africa: An Initial Stock-Taking. Food and Agricultural Organization of the United Nations. Rome, Italy.

PUBLISHED PAPERS

  1. Oronje ML, Hagen M, Gikungu M, Kasina MJ, Kraemer M (2011) Pollinator diversity, behaviour and limitation on yield of Karela (Momordica charantia L.: Cucurbitaceae) in Western Kenya. African Journal of Agricultural Research Vol. 7(11), pp. 1629-1638.
  2. Nderitu JH, Kasina JM, Nyamasyo, GN, and Oronje ML (2008) Diversity of sunflower (Helianthus annus L.) pollinators and their effect on the seed yield in Makueni District, Eastern Kenya. Spanish Journal of Agricultural Research 6 (2): 271-278.
  3. Nderitu JH, Kasina JM, Nyamasyo GN and Oronje ML (2007) Effects of insecticide application on sunflower (Helianthus annus L.) pollination in Eastern Kenya. World Journal of Agricultural Sciences 3 (6):731-734.

PAPERS IN PRESS OR UNDER REVIEW

  1. Oronje ML and Kraemer M (2011) Pollination needs and the role of solitary bees on seed set and quality of slender leaf (Crotalaria brevidens Benth: Fabaceae) in Kakamega, Western Kenya. Journal of Pollination Ecology.
  2. Oronje ML, Kraemer M, Hagen M, Gikungu M, Kasina MJ (2011) Pollination needs and seed production to spider plant (Cleome gynandra L.: Cleomaceae) in Kenya. Journal of East African Natural History.

REFEREED CONFERENCE PAPERS

  1. Kasina JM, Nderitu JH, Nyamasyo GN and Oronje ML (2007) Sunflower pollinators in Kenya: Does diversity influence seed yield? 8th African crop science conference, Cairo, Egypt.

PAPERS PRESENTED ON SEMINARS OR TALKS

  1. Oronje ML, Kraemer M,Hagen M, Gikungu M, Kasina MJ (2011). Pollination needs and seed production of spider plant (Cleome gynandra L.: Cleomaceae) in Kenya. 3rd Scientific Conference of the National Museums of Kenya, 9th- 11th November, 2011 at National Museums of Kenya, Nairobi.
  2. Oronje ML and Kraemer M (2011) Pollination needs and the role of solitary bees on seed set and quality of slender leaf (Crotalaria brevidens Benth: Fabaceae) in Kakamega, Western Kenya. 10th International Symposium of Pollination, 27th - 30th June 2011, Cholula, Mexico.
  3. Oronje ML (2011) Effectiveness of pollinators and their potential for crop pollination under greenhouses in Kenya. BIOTA East Africa-KAAD conference, 11th-14th August, 2011, Kakamega, Kenya.
  4. Kasina MJ, Oronje ML, Kipyab P and Muchira C (2010) Pollination, bee taxonomy and utilization of bioinformatics in pest management. Crop Health Seminar Series, KARI-NARL, 6th October 2010, Nairobi, Kenya.
  5. Kasina MJ and Oronje ML (2010) Pollination of African traditional leafy vegetables and greenhouse crops. KARI Seminar series, KARI Headquarters, 23rd July 2010, Nairobi, Kenya