Evaluation of White yam (Dioscorea rotundata) genotypes for arbuscular mycorrhizal colonization, leaf nutrient concentrations and tuber yield under NPK fertilizer application

REFERENCES

• Agbaje, G.O., A.A. Adegbite, G.A. Oluwatosin, and T.A. Akinlosotu. 2005. Influence of NPK fertilizer on tuber yield and yield components of new hybrid yam varieties in south western Nigeria. African Journal Root Tuber Crops 6: 48–53.
   Google Scholar
• Brundrett, M., Y. Piche, and R.L. Peterson. 1984. A new method for observing the morphology of vesicular arbuscular mycorrhiza. Canadian Journal Botany 62: 2118–2134.
   Google Scholar
• Buri, M.M., Issaka, R.N., and R.J. Carsky. 2005. Developing fertilizer recommendation for white yam (Dioscorea rotundata) in Central Ghana. African Journal Root Tuber Crops 6: 20–27.
   Google Scholar
• Dare, M.O., R.C. Abaidoo, O. Fagbola, and R. Asiedu. 2008. Genetic variation and genotype × environment interaction in yams (Dioscorea spp.) for root colonization by arbuscular mycorrhiza. Journal Food Agriculture Environment 6: 227–233.
   Web of Science ®Google Scholar
• Dare, M.O., R.C. Abaidoo, O. Fagbola, and R. Asiedu. 2010. Effects of arbuscular mycorrhizal inoculation and phosphorus application on yield and nutrient uptake of yam. Communications in Soil Science and Plant Analysis 41: 2729–2743.
   Web of Science ®Google Scholar
• Degras, L. 1993. The Yam. A Tropical Root Crop. London: Macmillan.
   Google Scholar
• Egesi, C.N., B.O. Odu, S. Ogunyemi, R. Asiedu, and J. Hughes. 2007. Evaluation of water yam (Dioscorea alata L.) germplasm for reaction to yam anthracnose and virus disease and their effect on yield. Journal Phytopathologia 155: 536–543.
   Web of Science ®Google Scholar
• Ekanayake, I.J., and R. Asiedu. 2003. Problems and perspectives of yam-based cropping systems in Africa. Journal Crop Production 9: 531–558.
   Google Scholar
• FAOSTAT. 2000. FAOSTAT. Rome: Food and Agriculture Organization of the United Nation.
   Google Scholar
• Giovanetti, M., and B. Mosse. 1980. An evaluation of techniques for measuring vesicular arbuscular mycorrhizal infection in roots. New Phytologist 84: 489–500.
   Web of Science ®Google Scholar
• Hetrick, B.A .D., G.W. T. Wilson, and T.C. Todd. 1996. Mycorrhizal response in wheat cultivars: relationship to phosphorus. Canadian Journal Botany 74: 19–25.
   Google Scholar
• Howeler, R.H. 1990. Phosphorus requirements and management of tropical root and tuber crops. Phosphorus requirements for sustainable agriculture in Asia and Oceania. International Rice Research Institute Report 427–444. Manila: International Rice Research Institute.
   Google Scholar
• International Institute of Tropical Agriculture (IITA). 1982. Automated and semi-automated methods of soil and plant analysis. International Institute of Tropical Agriculture (IITA) Manual Series No. 7. Ibadan, Nigeria: IITA.
   Google Scholar
• Jones, J.B., and V.W. Case. 1990. Sampling, handling, and analyzing plant tissue samples. In: Soil Testing and Plant Analysis, ed. R.L. Westerman, 389–427. Madison, WI: Soil Science Society of America.
   Google Scholar
• Kahiluoto, H., E. Ketoja, M. Vestberg, and I. Saarela. 2001. Promotion of AM utilization through reduced P fertilization. 2. Field studies. Plant and Soil 231: 65–79.
   Web of Science ®Google Scholar
• Kang, B.T., and J.E. Wilson. 1981. Effect of mound size and fertilizer on white guinea yam (Dioscorea rotundata) in southern Nigeria. Plant and Soil 61: 319–327.
   Web of Science ®Google Scholar
• Kayode, G.O. 1985. Effects of NPK fertilizers on tuber yield, starch content and dry matter accumulation of white guinea yam (Dioscorea rotundata) in a forest alfisol of south western Nigeria. Experimental Agriculture 21: 389–393.
   Web of Science ®Google Scholar
• Kpeglo, K.D., G.O. Obigbesan, and J.E. Wilson. 1981. Yield and shelf life of white yam as influenced by fertilizer. In Tropical Root Crops: Research Strategies for the 1980s, eds. E. RTerry, K.A. Oduro, F. Caveness, pp. 198–202. . Proceedings of the first Triennial Root Crops Symposium of the International Society for Tropical Root Crops–Africa Branch. Ottawa: International Development Research Centre.
   Google Scholar
• Miller, R.L., and L.E. Jackson. 1998. Survey of vesicular-arbuscular mycorrhizae in lettuce production in relation to management and soil factors. Journal Agricultural Science 130: 173–182.
   Web of Science ®Google Scholar
• Obigbesan, G.O. 1981. Nutrient requirements of yams (Dioscorea species). Agricultural Research Bulletin 2(1): 20.
   Google Scholar
• Onwueme, I.C., and W.B. Charles. 1994. Tropical root and tuber crops production. Perspectives and Future Prospects. FAO Plant Production and Protection Paper 126: 50–112.
   Google Scholar
• Orkwor, G.C., and C.L. A. Asadu. 1998. Agronomy. In: Food Yams. Advances in Research, eds. G.C. Orkwor, R. Asiedu, and I.J. Ekanayake, pp. 105–141. Ibadan, Nigeria: IITA and NRCRI.
   Google Scholar
• Orkwor, G.C., and I.J. Ekanayake. 1998. Growth and development. In: Food Yams. Advances in Research, eds. G.C. Orkwor, R. Asiedu, and I.J. Ekanayake, 39–62. Ibadan, Nigeria: IITA and NRCRI.
   Google Scholar
• Plank, C.O. 1989. Plant Analysis Handbook for Georgia. Athens, GA: University of Georgia Cooperative Extension Service.
   Google Scholar
• Rosen, C.J., and P.M. Bierman. 2005. Nutrient management for fruit and vegetable crop production. . Available at: www.extension.umn.edu/distribution/horticulture/components/M1190.pdf (Accessed 24 Dec 2007).
   Google Scholar
• Shiwachi, H., C.C. Okonkwo, and R. Asiedu. 2004. Nutrient deficiency symptoms in yams (Dioscorea spp.). Tropical Science 44: 155–162.
   Google Scholar
• Sieverding, E. 1991. Vesicular-Arbuscular Mycorrhiza Management in Tropical Agrosystems. Eschborn, Germany: Technical Cooperation, Federal Republic of Germany, . Germany. 372 pp.
   Google Scholar
• Smith, S.E., and D.J. Read, 2008. Mycorrhiza Symbiosis. San Deigo, CA: Academic Press.
   Google Scholar
• Sobulo, R.A. 1972. Studies on white yam (Dioscorea rotundata). II. Changes in nutrient content with age. Experimental Agriculture 8: 107–115.
   Web of Science ®Google Scholar
• Suja G., V.M. Nair, P. Sarawathy, and R. Pushpakumari. 2003. Plant population and sett size effects on white yam (Dioscorea rotundata Poir.) intercropped in coconut gardens. Tropical Agriculture (Trinidad) 80: 157–162
   Web of Science ®Google Scholar
• Treseder, K.K., and M.F. Allen. 2002. Direct nitrogen and phosphorus limitation of arbuscular mycorrhizal fungi, a model and field test. New Phytologist 155: 507–515.
   PubMed Web of Science ®Google Scholar
• Zaag Vander, P., R.L. Fox, P.K. Kwakye, and G.O. Obigbesan. 1980. The phosphorus requirements of yam (Dioscorea spp.). Tropical Agriculture (Trinidad) 57: 97–10.
   Web of Science ®Google Scholar