scholarly journals Competition in the Parasitization of Callosobruchus maculatus between Dinarmus basalis and Choetospila elegans on Vigna unguiculata (Walp.) Seeds

2012 ◽  
Vol 2 (1) ◽  
pp. 92
Author(s):  
Umoetok S. B. A. ◽  
Ukeh D. A. ◽  
Udo I. A. ◽  
Ekanem M. ◽  
Iloba B. N
Keyword(s):  
Vigna Unguiculata ◽  
Callosobruchus Maculatus ◽  
Pearson Correlation ◽  
Management Strategies ◽  
Negative Relationship ◽  
Positive Association ◽  
Storage Pests ◽  
Early Introduction ◽  
C Elegans ◽  
Dinarmus Basalis

<p>Laboratory study was carried out to investigate the efficacy of hymenopteran parasitoids, (<em>Dinarmus basalis</em> and <em>Choetospila elegans)</em> parasitization of <em>Callosobruchus maculatus</em> on cowpea (<em>Vigna unguiculata</em>) seeds in the Department of Crop Science, University of Calabar, Nigeria. Treatments were the inoculation of <em>D. basalis</em> (sole), <em>C. elegans</em> (sole), a mixture of <em>D. basalis</em> and <em>C. elegans</em> into infested cowpea seeds and the control which received no parasitoids. The introduction of parasitoids was repeated at 3 d interval, and all treatments were replicated 3 times. Result indicated that early introduction of the parasitoids caused significantly (P ? 0.05) higher mortality of <em>C.maculatus</em> than late introduction. Mix culture of both parasitoids was significantly more efficacious than sole culture. The emergence of each parasitoid and the mortality of <em>C. maculatus</em> in sole culture showed a highly significant (P ? 0.01) positive relationship (r = 0.487) between <em>C. maculatus</em> and <em>D. basalis</em> but non-significant (P ? 0.05) though positive association (r = 0.289) with <em>C. elegans</em>. A multiple regression analysis between <em>C. maculatus </em>mortality and the emergence of the two parasitoids in mix culture also indicated a highly positive significant (P ? 0.01) relationship (R = 0.751, R<sup>2</sup> = 0.564). Pearson Correlation analysis also showed a significant (P ? 0.05) positive association (r = 0.464, and 0.401) between <em>C. maculatus</em> mortality and emergence of <em>C. elegans</em> and <em>D. basalis</em> in mix culture, respectively. However, a non significant (P ? 0.05) negative relationship (r = -0.336) was observed between the two parasitoids in their emergence in mix culture, but <em>D. basalis</em> contributed more to the mortality of <em>C. maculatus</em> than <em>C. elegans</em>. Data from this study showed that <em>D. basalis</em> and <em>C. elegans</em> have potentials to be deployed as biological control entities in the management of <em>C. maculatus</em> as a part of the integrated pest management strategies of storage pests in the tropics.</p>

The Relationship Among Job Satisfaction, Oreganizational Commitiment and Employees’ Turnover at Unilever Corporation in Nigeria

2017 ◽  
Vol 5 (1) ◽  
pp. 370
Author(s):  
Chiemeke Kingsley Chiedu ◽  
Choi Sang Long ◽  
Hapriza BT Ashar
Keyword(s):  
Job Satisfaction ◽  
Organizational Commitment ◽  
Organizational Performance ◽  
Employee Turnover ◽  
Turnover Intentions ◽  
Pearson Correlation ◽  
Negative Relationship ◽  
Survey Method ◽  
Employee Turnover Intentions ◽  
The Relationship

Employee turnover has become a key performance indicator for many organizations as they struggle to retain talented employees. The negative impact of turnover on organizational performance has continually forced organizational leaders to seek better ways of retaining valuable employees. The relationship between man and work has always attracted the attention of philosophers. A major part of men’s life is spent at work. Work is social reality and social expectation to which men seem to conform. It not only provides status to the individual but also binds him to the society. An employee who is satisfied with his job would perform his duties well and be committed to his job, and subsequently to his organization. This paper examines relationship among job satisfaction, organizational commitment and employees’ turnover intentions at Unilever Corporation in Nigeria. The data for this study was collected from 117 employees currently working at Unilever Nigeria PLC using the survey method via the questionnaire. Pearson Correlation and the multiple regression analysis techniques using the SPSS version 22.0 was used for the data analysis. The findings of the study revealed that both job satisfaction and organizational commitment have significant negative relationship with employee turnover intentions. In addition, organizational commitment was revealed to have a more dorminant influence on employee turnover intentions than job satisfaction. Based on these findings, the implications, recommendations, practice, and theory were discussed.

Corporate Taxes and Foreign Direct Investment: An Impact Analysis

2020 ◽  
Vol 5 (2) ◽  
pp. 28-43
Author(s):  
Onome Christopher Edo ◽  
Anthony Okafor ◽  
Akhigbodemhe Emmanuel Justice
Keyword(s):  
Foreign Direct Investment ◽  
Error Correction ◽  
Direct Investment ◽  
Impact Analysis ◽  
Negative Relationship ◽  
Value Added ◽  
Positive Association ◽  
Error Correction Model ◽  
Corporate Taxes ◽  
Correction Model

Objective – The purpose of this study is to investigate the effect of corporate taxes on the flow of Foreign Direct Investment (FDI) in Nigeria between 1983 and 2017. Methodology/Technique – This study adopts an ex-post facto research design. Secondary data was sourced from the World Bank Development Indicator, the Central Bank of Nigeria database, and the Federal Inland Revenue database. The research data was analyzed using the Error Correction Model (ECM). Findings – The coefficient of determination (R2) shows that approximately 77% of systematic changes in FDI are attributed to the combined effect of all of the explanatory variables used in this study. Specifically, the study concludes that Company Income Tax, Value Added Tax, and Custom and Excise Duties have a significant but negative relationship with FDI. In contrast, Tertiary Education Tax has a positive association with FDI. Further, Exchange Rate has a negative but significant relationship with FDI, Inflation had an insignificant but positive association with FDI, and GDP growth Rate and Trade Openness demonstrate a positive and significant association with FDI. Novelty – The findings of this study are distinguishable from previous studies, as it uncovers new evidence that higher Education Tax Rates influences FDI and emerging evidence on the effect of non-tax variables on FDI inflow. Type of Paper: Empirical. JEL Classification: E22, F21, H2, P33. Keywords: Corporate Taxes; Foreign Direct Investment; Error Correction Model; Nigeria; Non-Tax Variables. Reference to this paper should be made as follows: Edo, O.C; Okafor, A; Justice, A.E. 2020. Corporate Taxes and Foreign Direct Investment: An Impact Analysis, Acc. Fin. Review 5 (2): 28 – 43. https://doi.org/10.35609/afr.2020.5.2(1)

Entering the Mental Backstage: Mindfulness and Mind-Wandering among Performing Artists

2021 ◽  
Vol 15 (7) ◽  
pp. 2068-2071
Author(s):  
Avneet Kaur ◽  
Shwetha T.S
Keyword(s):  
Negative Relationship ◽  
Positive Association ◽  
Mind Wandering ◽  
Self Report ◽  
Years Of Experience ◽  
Significant Positive Association ◽  
Performing Artists ◽  
Creative Processes ◽  
Significant Negative Relationship ◽  
Significant Difference

Existing literature has explored the role of mindfulness and mind-wandering on creative processes. However, it has overlooked the diversity in the creative domains as well as the experience of the artist while accounting for their relationship. In the present study, mindfulness and mind wandering- deliberate and spontaneous were explored among performing artists, i.e. musicians, theatre artists, and dancers. The study also looked at the artists’ experience in their field. After an initial screening using a creativity tool, 66 performing artists were recruited, following which two self-report indices that assessed mind wandering and mindfulness were administered. The data collected was subjected to quantitative data analysis in SPSS. A Oneway ANOVA showed significant effect of the creative domain on mindfulness for the three groups, with a significant difference between musicians and dancers. Among the musicians, a significant negative relationship between mind wandering spontaneous and years of experience was seen. Among the dancers, there was a significant positive association between mind wandering spontaneous, mind wandering deliberate and years of experience. The current study highlighted the need to approach the study of creativity using a contextual perspective. Keywords: Creativity, Dance, Music, Theatre.

scholarly journals Estabilidade da resistência de genótipos de caupi a Callosobruchus maculatus (Fabr.) em gerações sucessivas

2002 ◽  
Vol 59 (2) ◽  
pp. 275-280 ◽  
Author(s):  
Marcileyne Pessôa Leite de Lima ◽  
José Vargas de Oliveira ◽  
Reginaldo Barros ◽  
Jorge Braz Torres ◽  
Manoel Eneas de Carvalho Gonçalves
Keyword(s):  
Vigna Unguiculata ◽  
Callosobruchus Maculatus

Callosobruchus maculatus (Fabr.) (Coleoptera: Bruchidae) é a principal praga do caupi (Vigna unguiculata L.) armazenado em condições tropicais e subtropicais. Avaliaram-se a estabilidade da resistência e a capacidade de adaptação de C. maculatus a genótipos de caupi, durante seis gerações. Utilizou-se o teste sem chance de escolha, em delineamento experimental inteiramente casualizado, em esquema fatorial, com dez tratamentos, seis gerações do inseto e cinco repetições. Cada repetição constou de 30 grãos infestados com dois casais da praga. O número de ovos/fêmea diferiu entre os genótipos de caupi apenas na sexta geração, e entre as gerações em BR14-Mulato, Bico de Pato, TE90-180-3E e TE87-98-8G. A viabilidade de ovos diferiu entre as gerações em BR17-Gurguéia, BR14-Mulato, IT89KD-260 e IT89KD-245, e entre os genótipos nas terceira, quinta e sexta gerações. Os genótipos diferiram entre e dentro das gerações, em relação à duração e a viabilidade da fase imatura. Observou-se redução na emergência, especialmente em IT89KD-245, IT89KD-260, CNC 0434, Bico de Pato, TE90-180-10F e BR14-Mulato, provavelmente devido a substâncias químicas presentes nos grãos que afetaram a sobrevivência dos insetos, ao longo das gerações. Os genótipos IT89KD-245 e IT89KD-260 comportaram-se como moderadamente resistentes. Não se observou adaptação de C. maculatus aos genótipos, mantendo-se a resistência estável através das gerações.

scholarly journals Influence of Church Political Activities on Congregation Socioeconomic Development: A Case of P.C.E.A. Molo Parish, Nakuru county-Kenya

2019 ◽  
Vol 1 (2) ◽  
pp. 55-67
Author(s):  
Joseph Mwangi Ngatia; Peter Koome; Paul Gesimba
Keyword(s):  
Socioeconomic Development ◽  
Pearson Correlation ◽  
Sampling Technique ◽  
Positive Association ◽  
Systematic Sampling ◽  
Group Leaders ◽  
Significant Positive Association ◽  
Political Activities ◽  
Political Issues ◽  
Pearson Correlation Test

The purpose of this study was to investigate the influence of church political activities on congregation development at PCEA Molo Parish in Molo Sub-County, Nakuru County in Kenya. The study employed a descriptive design. The population of the study was 1093 individuals comprising of 690 communicants, 390 church groups' leaders, and 13 congregation chairpersons. From this population, 285 respondents comprising of 180 communicants, 102 group leaders, and 3 congregation chairperson were selected using the systematic sampling technique. Questionnaires were used to collect data from communicants and group leaders while interviews schedules were used to collect data from congregation chairpersons. Quantitative data was analysed using inferential and descriptive statistics and presented in the form of graphs and table. Qualitative data was analysed thematically and results reported in quotes and narratives. Findings revealed that the PCEA Molo Parish actively engages in an assortment of political activities including advocating for issues, which are relevant to members, educating members on political issues, promoting peace and reconciliation, shaping policies and laws, and development of values essential to political progress. The overall political activities score was 4.92 out of a possible highest score of 7. The Pearson correlation test indicated that there is a statistically significant positive association between church political activities and congregation socioeconomic development (r= .418, p=.014). The study recommended that the parish consider encouraging members of its congregation to increase their participation in politics and governance issues.

scholarly journals Jack-of-all-trades paradigm meets long-term data: generalist herbivores are more widespread and locally less abundant

2020 ◽  
Author(s):  
C. Sudta ◽  
D.M. Salcido ◽  
M.L. Forister ◽  
T. Walla ◽  
S. Villamarín-Cortez ◽  
...  
Keyword(s):  
Spatial Scales ◽  
Negative Relationship ◽  
Positive Association ◽  
Interspecific Variation ◽  
Diet Breadth ◽  
Ecological Specialization ◽  
Dietary Specialization ◽  
Mixed Support ◽  
Term Data

AbstractSome of the most common ecological interactions are between plants and herbivorous insects, and these relationships are central to the study of ecological specialization. We address established assumptions about the positive association between local abundance and dietary specialization using a 17-year dataset on the caterpillars of Ecuador. Our long-term data include standardized plot-based samples as well as general, regional collections, allowing for investigations across spatial scales and using different indices of abundance for 1917 morphospecies of Lepidoptera from 33 families. We find that specialists are locally more abundant than generalists, consistent with a key component of the “jack of all trades, master of none” hypothesis, which has otherwise received poor to mixed support from previous studies that have mostly involved fewer species and shorter time series. Generalists achieve greater prevalence across the landscape, and we find some evidence for geographic variation in the abundance-diet breadth relationship, in particular among elevational bands. Interspecific variation in abundance also had a negative relationship with diet breadth, with specialists having more variable abundances across species. The fact that more specialized species can be both rare and common highlights the ecological complexity of specialization.

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