Research Papers/Topics in Agronomy
Assessment of selection techniques in genotype X environment interaction in cowpea Vigna unguiculata (L.) walp
Ten genotypes of cowpea were grown in four environments comprising the early and late seasons of Ogbomoso and Abeokuta locations in 2005 and 2006. Joint linear regression analysis indicated the presence of Genotype x Environment interaction even though, a proportion was non-linear. The differences in the values of the regression coefficient and the correlation of grain yield revealed that the genotypes responded differently to the environments and that regression coefficient as a technique co...
Classification of genetic diversity and choice of parents for hybridization in cowpea Vigna unguiculata (L.) Walp for humid savanna ecology
Thirty-one accessions of cowpea of diverse eco-geographic origins were evaluated for genetic diversity using principal component analysis (PCA), single linkage cluster analysis (SLCA) and canonical techniques. The accessions were classified into six groups by PCA and SLCA while canonical technique identified five vector groups. There was no relationship between the clustering pattern and eco-geographic distribution. PCA and canonical techniques can be jointly used in multivariate analysis as ...
EFFECTS OF LEVEL OF POULTRY MANURE ON YIELD AND POST – HARVET QUALITY OF CELOSIA ORGENTIA
BSTRACTA field experiment was conducted at the Department of Agronomy, University of Ibadan to asses the effect of four levels of poultry manure on yield and post – harvest quality of celosia argentina. The levels of poultry manure used were 0, 10, 30 and 50t/ha. The growth and yield parameters measured were plant height, number of leaves, number of branches, fresh weight and total yield. The post harvest parameters were measured under three storage conditions i.e Ambient (25 – 270c) Evap...
Optimum Cocoyam Densities, Time of Introduction and Poultry Manure Rates for Plantain - Cocoyam Mixture in Southeastern Nigeria
ABSTRACT This research was carried out to determine the optimum cocoyam density, time of cocoyam introduction and poultry manure rates for sustainable plantain/cocoyam mixture. The experiment was a 3x3x2 factorial arrangement fitted into a Randomized Complete Block Design (RCBD) with 18 treatment combinations replicated 3 times to give 54 experimental plots. The experiment was conducted in two phases; the first phase involved...
Effects of Chicken Litter Fortified with Chicken Egg Shells on Growth and Yield of Stinging Nettle (Urticadioica)
ABSTRACTStinging nettle (Urtica dioica) often known as common nettle is an herbaceous perennial flowering plant on the family of urticiae. The plant originated from colder region Europe and Asia. In Kenya the plant is grown in many part including Nero, Laikipia, Embu, Meru, Narok and in the slope of Mt Kenya. The plant is grown for its leaves which are used as vegetables, roots and stem which is a good source of fibre. The plant is rich in calcium, potassium, vitamin ...
GROWTH, YIELD AND NUTRIENT UPTAKES OF AMARANTHUS CRUENTUS INFLUENCED BY DIFFERENT FERTILIZER TYPES
ABSTRACTA plot experiment was carried out at the at the Teaching and Research farms, Ladoke Akintola University , Ogbomosho Nigeria to evaluate the response of Amaranthus (Amaranthus cruentus) to single and combine application of manure and fertilizer at recommended ...
AGROBOTANICAL STUDIES ON SEED SCARIFICATION AND NURSERY MEDIA INFLUENCE ON JUVENILE PHENOLOGY OF AFRICAN OIL BEAN (Pentaclethra Macrophylla Benth)
ABSTRACTData were collected on the following number of leaf, number of leaflet, days of germination, number of petiole, number of nodes and number of internodes, there were no significant difference (P = 0.05) on effect of nursery media on leaf number and leaf let number according to table 9. The experiment to determine the influence of seed scarification and nursery media on Juvenile Phenology of African oil been was conducted during the 2012 planting season at the Department of Agronomy and...
EVALUATION OF NEW IRISH POTATO (Solanum tuberosum L.) VARIETIES FOR YIELD POTENTIAL IN ZIMBABWE
Abstract Irish potato (Solanum tuberosum L.) is an important crop in Zimbabwe due to its nutritional and economic worth. The upgrading of its status to a strategic food crop by the government in 2012 has created the need for research to increase production, increase germplasm and diversify staple food crops. A study to investigate the yield potential of new Irish potato varieties was carried out at the Scientific Industr...
EFFECT OF NPK FERTILIZER ON THE GROWTH AND YIELD OF CUCUMBER
ABSTRACTA field experiment was conducted at the crop pavilion, Faculty of Agriculture, University of Ilorin, Ilorin in the southern Guinea savannah ecology to determine the effect of NPK fertilizer application on the growth and yield of three cucumber varieties. The experiment was designed as a 3x5 factorial in RCBD, arranged in split-plots and replicated three times. The main plots consisted of three cucumber varieties (Marketer, Marketmore and Poinsett), while the sub-plots were made up of ...
ZINC DEFICIENCY AND ITS MANAGEMENT IN THE EASTERN CAPE SOIL
ABSTRACT This seminar looked at zinc deficiency in the Eastern Cape Province where largely rural small holder farmers are unable to keep up with best management practices to restore and maintain soil fertility. This is in contrast to the increasing number of large commercial farms who are able to manage their soil to optimal level of nutrients. Zinc is an important micronutrient needed for plant growth and ...
PRESENT AGRO-BASED RESEARCH INSTITUTES IN NIGERIA, THEIR HISTORY AND OBJECTIVES
AFRICA REGIONAL FOR INFORMATION SCIENCE, UNIVERSITY OF IBADANThe idea of a school of information science for English speaking African countries was conceived at UNESCO in 1973, revived at Canada’s International Development Research Centre (IDRC) in 1980, and usefully bold to the meeting of commonwealth Head of Universities, held in Hong Kong, in March 1981. In January 1983, a four man team of Experts visited many African universities in order to recommend to UNESCO and IDRC the bes...
Opportunities And Constraints In Using Quality Protein Maize In South Africa
Maize in South Africa Maize (Zea mays L.) is the most important grain crop in South Africa and is produced throughout the country under diverse environments. Successful maize production depends on the correct application of production inputs that will sustain the environment as well as agricultural production. These inputs are, among other t...