Assessment of Post-harvest Insect and Mould Infestation of Vigna subterranea
Journal Title: Journal of Experimental Agriculture International - Year 2016, Vol 13, Issue 1
Abstract
Aims: This study was carried out with the aim of assessing the post harvest insect and moulds that infest Vigna subterranea. Study Design: The randomized complete block experimental design with three replications for each variety was used to for the assessment of these varieties. Place and Duration of Study: This research lasted for a period of four months in the University of Calabar, Cross River State Nigeria. Methodology: Standard microbiological methods were used to obtain pure culture of fungi. Spore head and hyphae were chiefly compared with standard mycological atlas. Insects pest and infested nuts were sent to zoology department for identification of insect. Results: Four varieties of Vigna subterranea namely; Cream Black Eye Variety (CBEV), Cream No Eye Variety (CNEV), Speckled Flecked Spotted Variety (SFSV) and Brown Variety (BV) were assessed for post harvest insect and mould infestation. Aspergillus niger, Penicillium species, Mucor species, Trichophyton species and Rhizopus species were isolated after plating in Sabouraud Dextrose Agar with antibiotics concentration of 50 µg/1000 ml. growth was not significant at P=0.05, but was significant at P=0.01. Cream black eye variety, brown variety and speckled flecked spotted variety were susceptibility to insect and mould infestation. Cream black eye variety had very high resistance to insect but was susceptible to mould infestation. Callosobruchus maculatus was identified as the insect that carried out the damage in Vigna subterranea. Conclusion: Insect infestation in V. subterranea can result to increase in fungi growth. Cream no eye variety V. subterranea posses some properties that exhibits resistance to insect.
Authors and Affiliations
P. T. Nnaji, A. A. Brooks
Keywords
Related Articles
- EP ID EP351407
- DOI 10.9734/AJEA/2016/24865
- Views 109
- Downloads 0
Temperature Use Efficiency and Yield of Groundnut Varieties in Response to Sowing Dates and Fertility Levels in Western Dry Zone of India
A field experiment was conducted in loamy sand soil during kharif season of 2009 and 2010 to evaluate the temperature use efficiency and yield of groundnut varieties in response sowing dates and fertility levels. The t...
Determinants of Access to Credit by Agribusiness Operators in the Kumasi Metropolis, Ghana
Aim: The study was conducted to analyze the factors that influence access to credit by Agribusiness operators in the Kumasi Metropolis of the Ashanti Region of Ghana. Study Design: The study used a multi-stage sampling t...
Profitability of Yam-Maize-Soybean Enterprise among Resource Poor Farmers Using Herbicide for Weed Control in the Northern Guinea Savanna
This study examined the profitability of herbicide weed control in yam-maize-soybean enterprise, factors influencing it, as well as the problems encountered by the farmers using this weed control measures. The study was...
Bioconversion of Rice Straw as a Ruminant Feed Using Three Strains of White Rot Fungi
Aims: To determine nutritive value of rice straw samples biodegraded by different fungal strains. Study Design: Completely Randomized Design. Place and Duration of Study: Fungal inoculation of rice straw samples was carr...
Effects of Anti-nutritive Constituents of Unprocessed Jack Bean (Canavalia ensiformis) (L) (DC) Seed Meal on Poultry Performance
Jack bean (Canavalia ensiformis) is a good source of plant protein as well as a starch-storing seed and on the basis of the apparent nutrient content, it should be an extremely useful ingredient in animal feeds. The use...