Abudulai M., Kusi F., Seini S. S., Seidu A., Nboyine J. A., Larbi A. (2017): Effects of planting date, cultivar and insecticide spray application for the management of insect pests of cowpea in northern Ghana. Crop Protection 100: 168 – 176.10.1016/j.cropro.2017.07.005Search in Google Scholar

Acciaresi H. A., Zuluaga M. S. (2006): Effect of plant row spacing and herbicide use on weed aboveground biomass and corn grain yield. Planta Daninha 24: 287 – 293.10.1590/S0100-83582006000200011Search in Google Scholar

Adigun J. A., Daramola O. S., Adeyemi O. R., Olorunmaiye P. M., Osipitan O. A., Idiodemise O. (2017): Effect of row spacing and period of weed interference on growth and yield of cowpea (Vigna unguiculata L. Walp). Nigeria Journal of Ecology 16: 88 – 110.Search in Google Scholar

Ajeigbe H. A., Singh B. B., Adeosun J. O., Ezeaku I. E. (2010): Participatory on-farm evaluation of improved legume-cereals cropping systems for crop-livestock farmers: Maize-double cowpea in northern Guinea savanna Zone of Nigeria. African Journal of Agricultural Research 5: 2080 – 2088.Search in Google Scholar

Alene A. D., Abdoulaye T., Rusike J., Manyong V., Walker T. S. (2015): The effectiveness of crop improvement programmes from the perspectives of varietal output and adoption: Cassava, Cowpea, Soybean and Yam in SubSaharan Africa and maize in West and Central Africa. In: Crop Improvement, Adoption and Impact of Improved Varieties in Food Crops in Sub-Saharan Africa, pp. 74 – 122.10.1079/9781780644011.0074Search in Google Scholar

Andargie M., Pasquet R. S., Gowda B. S., Muluvi G. M., Timko M. P. (2011): Construction of a SSR-based genetic map and identification of QTL for domestication traits using recombinant inbred lines from a cross between wild and cultivated cowpea (Vigna unguiculata L. Walp.). Molecular Breeding 28: 413 – 420.10.1007/s11032-011-9598-2Search in Google Scholar

Bhagirath S. C., Chauhan J. H., Opeña L. (2013): Effect of Plant Spacing on Growth and Grain Yield of Soybean. American Journal of Plant Sciences 4: 2011 – 2014.10.4236/ajps.2013.410251Search in Google Scholar

Chauhan B. S., Johnson D. E. (2011): Row spacing and weed control timing affect yield of aerobic rice. Field Crops Research 121: 226 – 231.10.1016/j.fcr.2010.12.008Search in Google Scholar

Dalley C. B., Kells J. J., Renner K. A. (2004): Effect of glyphosate application timing and row spacing on weed growth in corn (Zea mays) and soybean (Glycine max). Weed Technology 18: 177 – 182.10.1614/02-150BSearch in Google Scholar

Daramola O. S., Adeyemi O. R., Adigun J. A., Adejuyigbe C. O. (2019): Weed interference and control in soybean as affected by row spacing in the transition of south west Nigeria. Crop Improvement. DOI: 10.1080/15427528.2019.167475910.1080/15427528.2019.1674759Search in Google Scholar

Ekeleme F., Kamara A. Y., Oikeh S. O., Omoigui L. O., Amaza P., Abdoulaye T., Chikoye D. (2009): Response of upland rice cultivars to weed competition in the savannas of West Africa. Crop Protection 28: 90 – 96.10.1016/j.cropro.2008.09.006Search in Google Scholar

Kamara A. Y., Sylvester U. E., Tofa A. I., Steve B. (2014): Agronomic response of soybean to plant density in the Guinea savannas of Nigeria. Agronomy Journal 106: 1051 – 1059.10.2134/agronj13.0435Search in Google Scholar

Knezevic S. Z., Evans S. P., Mainz M. (2003): Row spacing influences the critical timing for weed removal in soybean (Glycine max). Weed Technology 17: 666 – 673.10.1614/WT02-49Search in Google Scholar

Labrada R. (2003): The need for improved weed management in rice. In: Van Tran, Dat, Duffy, R. (Eds.), Sustainable Rice Production for Food Security. Proceedings of the 20th Session of the International Rice Commission Bangkok, Thailand, 23 – 26 July 2002. FAO, Rome, Italy, pp. 1 – 11.Search in Google Scholar

Osipitan O. A., Adigun J. A., Lagoke S. T. O., Afolami S. O. (2013): Effect of inter-row spacing and weed control methods on growth and yield of cowpea (Vigna unguiculata L. Walp) in South Western Nigeria. Nigeria Journal of Plant Protection 27: 97 – 111.Search in Google Scholar

Osipitan O. A. (2016): Weed Interference and Control in Cowpea Production: A Review. Journal of Agricultural Science 9: 11 – 20.10.5539/jas.v9n12p11Search in Google Scholar

Pedersen P., Lauer J. G. (2003): Corn and soybean response to rotation sequence, row spacing, and tillage systems. Agronomy Journal 95: 965 – 971.10.2134/agronj2003.9650Search in Google Scholar

Timko M. P., Ehlers J.D., Roberts P. A. (2007): Cowpea. In: Kole C. (ed) Genome Mapping and Molecular Breeding in Plants, Volume 3, Pulses, Sugar and Tuber Crops, Springer Verlag, Berlin Heidelberg, pp. 49 – 67.10.1007/978-3-540-34516-9_3Search in Google Scholar

Yusuf A. A., Iwuafor E. N. O., Olufajo O. O., Abaidoo R., Sanginga N. (2006): Genotype effects of cowpea and soybean on nodulation, N2-fixation and N balance in the northern Guinea Savanna of Nigeria. In: Proceedings of the 31st Annual Conference of the Soil Science of Nigeria 13-17th November 2006. Ahmadu Bello University Zaria, pp. 147 – 154.Search in Google Scholar

Zhao D., Shen J., Lang K., Liu Q., Li Q. (2013): Effects of irrigation and wide-precision planting on water use, radiation interception, and grain yield of winter wheat in the North China Plain. Agricultural Water Management 118: 87 – 92.10.1016/j.agwat.2012.11.019Search in Google Scholar

Publication timeframe:
Volume Open
Journal Subjects:
Life Sciences, Plant Science