Volume 75 Number 1

Research Papers

• Root biomass and nutrient uptake of taro in the lowlands of Papua New Guinea. (01)

  Alfred E. Hartemink, Mark Johnston

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• Better nutrition for the improvement of sweetpotato and taro yields in the South Pacific. (06)

  Siosiua M. Halavatau, Jane N. O'Sullivan, Colin J. Asher, F. Pax C. Blamey

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• The growth performance of taro (Colocasia esculenta) grown from true seed. (13)

  M. Johnston, P.A. Gendua

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• Integration of cassava tuber and forage legume seed production for sustained soil fertility. (18)

  P. Lusembo, C. Ebong, E.N. Sabiiti

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• Evaluation of nitrification inhibitor to improve fertilizer N use efficiency in potato crop. (21)

  W. Mohammad, M.M. Iqbal, S.M. Shah, H. Nawaz, N. Basar

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• Performance of sweetpotato in different agro-ecologies in Ghana. (25)

  J.A. Otoo, A. Missah, C. Osei, A.G. Carson, A.Y. Alhassan, J.K. Taah, P.P. Frimpong-Manso, K.O. Asubonteng, A. Ankoma

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• The yield response of two sweetpotato cultivars grown in bags using different soil amendments. (29)

  Anthony Seesahai, Theodore U. Ferguson

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• Comparison of the elemental composition of sweetpotato grown in a bioreactor effluent and modified half Hoagland solution. (35)

  Audrey A. Trotman, Pauline P. David, Conrad K. Bonsi, Walter A. Hill, Philip A. Loretan

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• Mechanisms of taro resistance to leaf blight. (39)

  Po Ki Ho, Lawrence Ramsden

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• Diagnosis of yam viruses. (45)

  Jacqueline d'A. Hughes, Lelia N. Dongo, Shou Y.C. Ng

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• Use of household disinfectants to suppress Pratylenchus coffeae and dry rot of yellow yam (Dioscorea cayenensis). (49)

  Dave G. Hutton

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• Yam anthracnose in the English-speaking islands of the Eastern Caribbean: Successes and research advances in disease management. (53)

  Frank D. Mc Donald, Angela T. Alleyne, Leonard W. O'garro, Ashton J. Delauney

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• Discovery of new diseases of cassava in West Africa. (58)

  W. Msikita, B. James, M. Ahounou, H. Baimey, B.G. Facho, R. Fagbemissi

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• Effect of foliage removal on root yield, dry matter, and proximate composition of five sweetpotato genotypes in Ghana. (64)

  T.K. Amenyenu, P.P. David, E. Bonsi, R. Zambawa

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• Cassava plant population and leaf harvesting effects on the productivity of cassava-rice intercrop on the upland in Sierra Leone. (67)

  A. Jalloh

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• Variations in root and foliage yields and quality among green mite-resistant cassava clones. (72)

  A. Larbi, A.G.O. Dixon, J.W. Smith, O.T. Yusuf

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• Alternative manifestations in origin form, and function of the primary nodal complex of yams (Dioscorea spp.): A review. (77)

  Lawrence A. Wilson, Lynda D. Wickham, Theodore Ferguson

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• The effect of salting sweetpotato chips prior to drying on infestation by Araecerus fasciculatus. (84)

  J.A. Agona, M. Silim Nahdy, D.P. Giga, D. Rees

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• Cassava in Africa: The root of development in the 21st century. (89)

  Mpoko Bokanga

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• The causes and consequences of taro leaf blight in Samoa and the implications for trade patterns in taro in the South Pacific region. (93)

  Eddie Chan, Mary Milne, Euan Fleming

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• Tropical root crops: Sustainable food security for the 21st century. (99)

  S. Chandra

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• Conceptual issues in the use of cassava modelling for improved production in drought environments. (102)

  Indira J. Ekanayake

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• Assessment of the nutritional value and competitiveness of traditional foods in South Pacific economies: A case study of root crops in Fiji. (106)

  Euan Fleming, T.K. Lim

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• Progress towards a global strategy for cassava development. (111)

  Andrew Westby, Guy Henry, Rupert Best Centro, Regina Kapinga, Cheikh Sourang, Mpoko Bokanga

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• The marketing system for fresh yams in Techiman, Ghana and associated post-harvest losses. (115)

  R. Bancroft, A. Gray, S. Gallat, D. Crentsil, S. Gogoe

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• Rapid dissemination of tropical root crop information via the Internet and other modes of communication. (120)

  Barry Duell

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• Diversification of cassava utilization in the Lake Zone of Tanzania: A case study. (125)

  Regina Kapinga, Andrew Westby, Elizabeth Rwiza, Zoe Bainbridge, Anna Nsanzugwanko

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• Methods for examining the relationship between quality characteristics and economic value of marketed fresh sweetpotato. (129)

  Gabriel Ndunguru, Mike Thompson, Raphael Waida, Elizabeth Rwiza, Andrew Westby

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• Review of research in Papua New Guinea for sustainable production of taro (Colocasia esculenta). (134)

  Sim A. Sar, B.M. Wayi, R.D. Ghodake

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• Production and utilization of tropical root crops in Trinidad and Tobago. (139)

  Anthony Seesahai, Gail Henry

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• Improving the impact of post-harvest research and development on root and tuber crops: The needs-assessment approach. (143)

  Andrew Westby, Ulrich Kleih, Andrew Hall, Geoffrey Bockett, David Crentsil, Gabriel Ndunguru, Andrew Graffham, Seth Gogoe, David Hector, Silim Nahdy

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