Aims: The aim of this study was to establish the effect of selected soil amendments on Ralstonia solanacearum isolates in greenhouse on selected solaneceous crops. Study Design: The study was laid out as randomized complete block design (RCBD) in split pot arrangement for two se...
Open access
Research Article10.9734/jaeri/2019/v19i230081
Aim: The present study was aimed at elucidating the alternative metabolic preferences of Serratia sp. strain DW2 that permitted its survival in a diesel-contaminated environment. Study Design: We adopted a 4 x 4 x 3 completely randomized design of a full-factorial experiment for...
Open access
Research Article10.9734/jaeri/2019/v19i230080
Roots of orange-fleshed sweet potato varieties currently available in Nigeria contain high quantities of β-carotene or pro-vitamin A but have high moisture content. These varieties have been found to be a cheap and crucially important remedy for vitamin A deficiency. The cream or...
Open access
Research Article10.9734/jaeri/2019/v19i230079
Biometrical evaluation is a valuable tool for the study of biosystematics of plant taxa. This study assessed morphological variation and phenetic relationship in the Cucurbitaceae species in Lafia, Nasarawa State, Nigeria. Plant specimens were collected by simple random sampling...
Open access
Research Article10.9734/jaeri/2019/v19i230078
Aims: To determine condition status and identify parasitic fauna in intestine, gills and skins of Clarias gariepinus collected from two natural waters: Ogbese River (River A) (Longitude 5°26'E' and Latitude 6°43'N), and Owena River (River B) (Longitude 5.03E and Latitude 7.03N) i...
Open access
Research Article10.9734/jaeri/2019/v19i230077
Weeds are the most prominent of all rice biotic stresses across all the ecologies in terms of yield reduction and increased cost of production. Weed control is therefore one of the most important and suggestive practices for potential rice production. Based on the above, field tr...
Open access
Research Article10.9734/jaeri/2019/v19i130075
Existing literature affirms the importance of agricultural technology adoption on productivity, income and livelihood outcomes. Evidences subsist on the adoption of improved cassava varieties (ICVs) in Nigeria but little is known about its impact among the farmers. We used data f...
Open access
Research Article10.9734/jaeri/2019/v19i130074
Oilseed plant, Brassica napus L. seedlings grown in hydroponic condition with different concentrations of Pb were treated with salicylic acid (SA) to investigate the role of exogenous salicylic acid in alleviating lead toxicity on biochemical and physiological activities of the p...
Open access
Research Article10.9734/jaeri/2019/v19i130073
Aims: To study the effects of mine tailings on the growth and yield of two genotypes of common bean (Phaseolus vulgaris L.). Study Design: The experiment was laid in a Randomized Complete Block Design (RCBD) with four treatments, two blocks and each block was replicated three tim...
Open access
Research Article10.9734/jaeri/2019/v19i130071
Aims: This study aimed at demonstrating the ability of a mold species, isolated from a rice farm agricultural soil, chronically treated with glyphosate herbicide, to degrade glyphosate and to compare different evaluation methods of biodegradation. Study Design: A completely rando...
Open access
Research Article10.9734/jaeri/2019/v19i130070
Forest resource utilization poses a challenge to the balance between fragile ecosystems and impoverished populations. As population increases, the demand for forest resources and the resultant degradation are expected to increase. This study investigated the factors influencing u...
Open access
Research Article10.9734/jaeri/2019/v18i430068
Phosphorous is a limiting mineral element in crop productivity due to its less availability and fixed form in the soil. Due to its agricultural benefit, most farmers seek for alternative method to supply phosphorous in sufficient amount in the farming systems. Although the solubl...
Open access
Research Article10.9734/jaeri/2019/v18i430067
Aims: The specific objectives of this study were: to identify the diversity of insect species associated with ten okra cultivars, and to assess the abundance of the insect species and the extent of leaf damage during vegetative, flowering and fruiting stages of ten okra cultivars...
Open access
Research Article10.9734/jaeri/2019/v18i430066
The relative composition of the fatty acids in Pachira aquatica seed oil were determined using GC-MS and 1H NMR. The results obtained from GC-MS and 1H NMR show that the oil contained saturated fatty acids (>67%), oleic acid (>18%), linoleic (>3%) and linolenic acid (≤0....
Open access
Research Article10.9734/jaeri/2019/v18i430065
The popularity of using the Inorganic and organic soil amendments is based on the current status of soil degradation that led to decline in fertility of soils, resulting to low yields. The objective of current study was to evalute different organic and inorganic soil amendme...
Open access
Research Article10.9734/jaeri/2019/v18i430064