- About this Journal ·
- Abstracting and Indexing ·
- Advance Access ·
- Aims and Scope ·
- Article Processing Charges ·
- Articles in Press ·
- Author Guidelines ·
- Bibliographic Information ·
- Citations to this Journal ·
- Contact Information ·
- Editorial Board ·
- Editorial Workflow ·
- Free eTOC Alerts ·
- Publication Ethics ·
- Reviewers Acknowledgment ·
- Submit a Manuscript ·
- Subscription Information ·
- Table of Contents
International Journal of Agronomy
Volume 2014 (2014), Article ID 515629, 7 pages
Potential of Cowpea Variety Mixtures to Increase Yield Stability in Subsistence Agriculture: Preliminary Results
1Institute of Agronomy in the Tropics, Georg-August-Universität, Grisebachstr. 6, 37077 Göttingen, Germany
2Global Program of Integrated Crop and Systems Research, International Potato Center (CIP), P.O. Box 22274, Kampala, Uganda
3Tropical Forages Program, International Center for Tropical Agriculture (CIAT), P.O. Box 823-00621, Nairobi, Kenya
Received 7 May 2013; Revised 3 October 2013; Accepted 7 November 2013; Published 23 January 2014
Academic Editor: Othmane Merah
Copyright © 2014 Joshua S. Okonya and Brigitte L. Maass. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
- H. C. Bittenbender, R. P. Barrett, and B. M. Indire-Lavusa, Beans and Cowpeas as Leaf Vegetables and Grain Legumes, vol. 1 of Occassional Monograph, Bean/Cowpea C.R.S.P., Michigan State University, East Lansing, MI, USA, 1984.
- E. B. Rubaihayo, “Conservation and use of traditional vegetables in Uganda,” in Traditional African Vegetables. Promoting the Conservation and Use of Underutilized and Neglected Crops, Proceedings of the IPGRI International Workshop on Genetic Resources of Traditional Vegetables in Africa: Conservation and UseAugust 1995, ICRAF-HQ, Nairobi, Kenya, L. Guarino, Ed., pp. 109–114, Institute of Plant Genetics and Crop Plant Research, Gatersleben/ International Plant Genetic Resources Institute, Rome, Italy, 1997.
- A. G. Sabiti, E. N. B. Nsubuga, E. Adipala, and D. S. Ngambeki, “Socioeconomic aspects of cowpea production in Uganda: a rapid rural appraisal,” Uganda Journal of Agricultural Science, vol. 2, pp. 29–35, 1994.
- P. Isubikalu, J. M. Erbaugh, A. R. Semana, and E. Adipala, “Influence of farmer production goals on cowpea pest management in Eastern Uganda: implications for developing IPM programmes,” African Crop Science Journal, vol. 7, no. 4, pp. 539–548, 1999.
- E. Adipala, P. Nampala, J. Karungi, and P. Isubikalu, “A review on options for management of cowpea pests: experiences from Uganda,” Integrated Pest Management Reviews, vol. 5, no. 3, pp. 185–196, 2000.
- J. Karungi, E. Adipala, S. Kyamanywa, M. W. Ogenga-Latigo, N. Oyobo, and L. E. N. Jackai, “Pest management in cowpea. Part 2. Integrating planting time, plant density and insecticide application for management of cowpea field insect pests in eastern Uganda,” Crop Protection, vol. 19, no. 4, pp. 237–245, 2000.
- E. Adipala, “Dissemination and adoption of IPM menus for cowpea and groundnut production in Eastern Uganda: scaling up to achieve impact,” Final Technical Report, Makerere University, Kampala, Uganda, 2003.
- M. S. Wolfe, “The current status and prospects of multiline cultivars and variety mixtures for disease resistance,” Annual Review Phytopathology, vol. 23, pp. 251–273, 1985.
- R. Bowden, J. Shroyer, K. Roozeboom et al., Performance of Wheat Variety Blends in Kansas. Keeping Up With Research 128, Kansas State University Agricultural Experiment Station and Cooperative Extension Service, Manhattan, Kan, USA, 2001, http://www.oznet.ksu.edu/library/crpsl2/SRL128.pdf.
- J. M. Lenné and J. B. Smithson, “Varietal mixtures: a viable strategy for sustainable productivity in subsistence agriculture?” Aspects of Applied Biology, vol. 39, pp. 163–172, 1994.
- S. J. Helland and J. B. Holland, “Blend response and stability and cultivar blending ability in oat,” Crop Science, vol. 41, no. 6, pp. 1689–1696, 2001.
- A. C. Newton, R. P. Ellis, C. A. Hackett, and D. C. Guy, “The effect of component number on Rhynchosporium secalis infection and yield in mixtures of winter barley cultivars,” Plant Pathology, vol. 45, no. 6, pp. 930–938, 1997.
- C. Cowger and R. Weisz, “Winter wheat blends (mixtures) produce a yield advantage in North Carolina,” Agronomy Journal, vol. 100, no. 1, pp. 169–177, 2008.
- W. Erskine, “Adaptation and competition in mixtures of cowpea (Vigna unguiculata (L.) Walp.),” Euphytica, vol. 26, no. 1, pp. 193–202, 1977.
- S. F. Blade, D. E. Mather, B. B. Singh, and D. L. Smith, “Evaluation of yield stability of cowpea under sole and intercrop management in Nigeria,” Euphytica, vol. 61, no. 3, pp. 193–201, 1991.
- M. R. Finckh, E. S. Gacek, H. Goyeau et al., “Cereal variety and species mixtures in practice, with emphasis on disease resistance,” Agronomie, vol. 20, no. 7, pp. 813–837, 2000.
- K. S. Gill, G. S. Nanda, and G. Singh, “Stability analysis over seasons and locations of multilines of wheat (Triticum aestivum L.),” Euphytica, vol. 33, no. 2, pp. 489–495, 1984.
- A. C. Newton and J. S. Swanston, “Cereal variety mixtures reducing inputs and improving yield and quality: why isn't everybody growing them?” Annual Report 1998/99, Scottish Crop Research Institute, 1998.
- USDA/National Agricultural Statistics Service, Washington Annual Agriculture Bulletin, 2008, http://www.nass.usda.gov/Statistics_by_State/Washington/Publications/Annual_Statistical_Bulletin/annual2008.pdf.
- C. S. Wortmann, H. E. Gridley, and S. M. Musaana, “Seed yield and stability of bean multiline,” Field Crops Research, vol. 46, no. 1–3, pp. 153–159, 1996.
- S. K. Selvaradjou, L. Montanarella, O. Spaargaren, and D. Dent, European Digital Archive of Soil Maps (EuDASM)—Soil Maps of Africa EUR 21657 EN, 2005, http://eusoils.jrc.ec.europa.eu/esdb_archive/EuDASM/Africa/lists/cug.htm.
- SYSTAT, SYSTAT 5.0 for Windows, SYSTAT, Chicago, Ill, USA, 1994.
- J. Hill, H. C. Becker, and P. M. A. Tigerstedt, Quantitative and Ecological Aspects of Plant Breeding, vol. 4 of Plant Breeding, Chapman and Hall, London, UK, 1998.
- H. F. Utz, PLABSTAT—A Computer Program For the Statistical Analysis of Plant Breeding Experiments, Institute of Plant Breeding, Seed Science, and Population Genetics, University of Hohenheim, Stuttgart, Germany, 1997, https://www.uni-hohenheim.de/plantbreeding/software/.
- S. M. Kabululu, C. Ojiewo, M. Oluoch, and B. L. Maass, “Cowpea cultivar mixtures for stable and optimal leaf and seed yields in a maize intercropping system,” International Journal of Vegetable Science, vol. 20, no. 3, 2013.
- R. Shorter and K. J. Frey, “Relative yields of mixtures and monocultures of oat genotypes,” Crop Science, vol. 19, pp. 548–553, 1979.
- C. C. Mundt, P. M. Hayes, and C. C. Schon, “Influence of barley variety mixtures on severity of scald and net blotch and on yield,” Plant Pathology, vol. 43, no. 2, pp. 356–361, 1994.