scholarly journals Application of plant extracts for pest management in tea: a study on tea leaf’s thrips, Scirtothrips bispinosus

2019 ◽  
Vol 28 ◽  
pp. 87-93
Author(s):  
MAK Azad ◽  
I Ahmad ◽  
A Mainuddin
Keyword(s):  
Statistical Analysis ◽  
Medicinal Plants ◽  
Medicinal Plant ◽  
Pest Management ◽  
Lantana Camara ◽  
The Other ◽  
Bioactive Molecules ◽  
Post Hoc ◽  
One Way Anova ◽  
Over Time

Medicinal plant extract contains bioactive molecules and these molecules are benefited to mitigate, eradicate or cure diseases. In advent to search for new medicinally important plant, the current paper deals to select the most effective and promising plants which are suitable for controlling tea leaf’s thrips (Scirtothrips bispinosus) based on extracts concentration and death affect over time. To fulfill the specific objectives, five medicinal plants extracts viz. Ipomoea crassicaulis, Lantana camara, Ipomoea hederaceaa, Glycosmis arborea, and Justicia gendarussa had been used with four different concentrations. From statistical analysis using One-way ANOVA and post hoc test, it was found that Ipomoea crassicaulis and Lantana camara are the most promising of all the experimented plants extracts based on both time and concentration. In the study, average mortality was found 0.47, 1.67, 1.93 and 2.53 for concentration of 1%, 5%, 10% and 15% respectively. Analysis based on different concentrations reveals that average mortality of thrips increases significantly with the increase of concentrations. Coefficient of variance was found minimum for Ipomoea crassicaulis and Lantana camara plants with range of 5.44 to 6.71 based on time and concentration. So, it could be concluded that these two plants are the most effective plants for controlling the tea thrips. For the other plants, ranks were found as Ipomoea hederaceaa, Glycosmis arborea and Justicia gendarussa respectively as well. J. bio-sci. 28: 87-93, 2020

scholarly journals INTEGRATED MANAGEMENT OF WEEDS IN A PERENNIAL CROP:THE EXAMPLE OF CRANBERRIES

HortScience ◽  
1992 ◽  
Vol 27 (11) ◽  
pp. 1163g-1163
Author(s):  
M.J. Else
Keyword(s):  
Pest Management ◽  
Insect Pests ◽  
Integrated Management ◽  
Control Measure ◽  
Control Measures ◽  
The Other ◽  
Economic Losses ◽  
Perennial Crops ◽  
Over Time

In Integrated Pest Management (IPM), the costs of a control measure are compared to the potential for economic losses caused by a pest, with control measures being recommended only when expected costs of losses exceed costs of control. IPM models have been developed largely for insect pests, which multiply rapidly and for which timely population assessments are thus essential. Weed pests, on the other hand, multiply slowly. In the case of perennial crops, weeds may not reach populations sufficient to warrant control under conventional IPM criteria for many years. It is proposed that IPM concepts be adapted to weedy pests of perennial crops by creating models in which the long-term costs and consequences of both weeds and weed control measures are considered. These models would take into account expected increases in control costs and decreases in effectiveness of control measures over time and as a consequence consider some weeds to have effective thresholds at or near zero.

scholarly journals Shear Bond Strengths and Morphological Evaluation of Filled and Unfilled Adhesive Interfaces to Enamel and Dentine

2012 ◽  
Vol 2012 ◽  
pp. 1-9 ◽  
Author(s):  
Vajihesadat Mortazavi ◽  
Mohammadhosein Fathi ◽  
Ebrahim Ataei ◽  
Niloufar Khodaeian ◽  
Navid Askari
Keyword(s):  
Bond Strength ◽  
Shear Bond Strength ◽  
Resin Composite ◽  
Testing Machine ◽  
The Other ◽  
Adhesive Systems ◽  
Morphological Evaluation ◽  
Bond Strengths ◽  
Post Hoc ◽  
One Way Anova

In this laboratory study shear bond strengths of three filled and one unfilled adhesive systems to enamel and dentine were compared. Forty-eight extracted intact noncarious human mandibular molars were randomly assigned to two groups of 24 one for bonding to enamel and the other for bonding to dentine. Buccal and lingual surfaces of each tooth were randomly assigned for application of each one of filled (Prime & Bond NT (PBNT), Optibond Solo Plus (OBSP), and Clearfil SE Bond (CSEB)) and unfilled (Single Bond (SB)) adhesive systems (n=12). A universal resin composite was placed into the translucent plastic cylinders (3 mm in diameter and 2 mm in length) and seated against the enamel and dentine surfaces and polymerized for 40 seconds. Shear bond strength was determined using a universal testing machine, and the results were statistically analyzed using two-way ANOVA, one-way ANOVA,t-test, and Tukey HSD post hoc test with a 5% level of significance.There were no statistically significant differences in bond strength between the adhesive systems in enamel, but CSEB and SB exhibited significantly higher and lower bond strength to dentine, respectively, than the other tested adhesive systems while there were no statistically significant differences between PBNT and OBSP.

scholarly journals MORPHOLOGICAL ADJUSTMENTS OF THE RADIAL NERVE ARE INTENSITY-DEPENDENT

2017 ◽  
Vol 23 (1) ◽  
pp. 55-59 ◽  
Author(s):  
Patrícia Oliva Carbone ◽  
Walter Krause Neto ◽  
Eliane Florencio Gama ◽  
Wellington de Assis Silva ◽  
Thatiana Lacerda Nobre ◽  
...  
Keyword(s):  
Radial Nerve ◽  
Morphological Analysis ◽  
Morphological Changes ◽  
The Other ◽  
Significance Level ◽  
Training Groups ◽  
Transmission Electron ◽  
Post Hoc ◽  
And Training ◽  
One Way Anova

ABSTRACT Introduction: Peripheral nerve adaptation is critical for strength gains. However, information about intensity effects on nerve morphology is scarce. Objective: To compare the effects of different intensities of resistance training on radial nerve structures. Methods: Rats were divided into three groups: control (GC), training with 50% (GF1) and training 75% (GF2) of the animal’s body weight. The morphological analysis of the nerve was done by light and transmission electron microscopy. One-way ANOVA and the Tukey’s post hoc test were applied and the significance level was set at p≤0.05. Results: Training groups had an increase of strength compared to GC (p≤0.05). All measured nerve components (mean area and diameter of myelin fibers and axons, mean area and thickness of the myelin sheath, and of neurofilaments and microtubules) were higher in GF2 compared to the other (p≤0.05). Conclusion: Results demonstrated greater morphological changes on radial nerve after heavier loads. This can be important for rehabilitation therapies, training, and progression.

scholarly journals Investigation of Injury Anxiety Level of Archers According to Various Parameters: Students of Faculty of Sport Sciences and Club Athletes

2021 ◽  
Author(s):  
Mevlüt Gönen
Keyword(s):  
Statistical Analysis ◽  
Data Collection ◽  
Personal Information ◽  
Sports Injury ◽  
T Test ◽  
The Other ◽  
Sports Clubs ◽  
Sports Sciences ◽  
One Way Anova ◽  
Collection Methods

This study aims to analyze injury anxiety in archers according to several parameters. The research universe consists of archers who conduct sports in archery clubs modern category and Sports sciences Faculty students in the Turkey.. On the other hand, the research sample comprises 346 archers, 194 men and 152 women, who willingly participate in archery at sports clubs in various cities in Turkey. In the study, the personal information form generated by the researcher and the "Sports Injury Anxiety Scale" established by Rex and Metzler (2016) and modified into Turkish by Caz, Kayhan and Bardakçı (2019) were utilized as data collection methods. Statistical analysis of the data was done with SPSS 25 program, t-test and One Way Anova tests. According to the results of the research, it was established that among the archers who participated in the research, the archers who had a lot of sports experience, had a sports injury before, and did not have any other sportsmen in their family, had a high mean score of sports injury anxiety.

scholarly journals Compressive strength of calcium silicate-based cement

2018 ◽  
Vol 65 (1) ◽  
pp. 7-13
Author(s):  
Vanja Opačić Galić ◽  
Zoran Stamenić ◽  
Violeta Petrović ◽  
Vukoman Jokanović ◽  
Slavoljub Živković
Keyword(s):  
Compressive Strength ◽  
Calcium Silicate ◽  
Calcium Silicate Cement ◽  
Crosshead Speed ◽  
Universal Testing ◽  
Significant Difference ◽  
Calcium Silicate Cements ◽  
Post Hoc ◽  
One Way Anova ◽  
Over Time

Summary Introduction The aim of this study was to compare compressive strength (Cs) of new nanostructural calcium silicate based cement (nCS) with commercial calcium silicate cement and conventional GIC. Methods Four nanostructural materials were tested: nanostructural calcium silicate based cement (nCS) (Jokanović et al.), MTA Plus (Cerkamed, Poland), Fuji IX (GC Corporation, Japan) and Ketac Universal Aplicap (3M ESPE, USA). Five samples of each material were mixed in accordance with manifecturer’s guidelines and positioned in metal moulds (ϕ4mm and 6mm). Compressive strength (Cs) expressed in MPa was determined after 24 hours, 7 days and 28 days respectively. Measurements were performed on universal testing equipment (Tinius Olsen, USA) at a crosshead speed of 1mm/min. For processing the results one-way ANOVA and post-hoc test were used. Results The highest values of compressive strength after 24h was found in conventional GIC Fuji IX (mean 38.56±13.31) and Ketac Universal (mean 40.77±7.96). Calcium silicate cements after 24h showed low values of compressive strength (MTA Plus 5.91±0.28 MPa, nCS 1.35±0.36 MPa). After 7 days, FUJI IX 47.42±9.33 MPa and Ketac Universal 35.25±10.60 MPa showed higher value of compressive strength than MTA Plus (15.09±2.77 MPa) and nCS (11.06±0.88 MPa). After 28 days the Cs value for conventional GIC Fuji IX was 48.03±7.82 MPa and Ketac Universal 36.65±11.13 MPa while for calcium silicate cements it was 16.47±1.89 MPa and nCS 14.39±1.63 MPa. There was statistically significant difference (p<0.05) in Cs between conventional GIC and CS cements after 24h, 7 and 28 days. Conclusions Calcium silicate cements initially showed lower values of compressive strength than conventional GIC that increased over time.

scholarly journals Talking Your Self Into It: How and When Accounts Shape Motivation for Action

2019 ◽  
Author(s):  
Daniel Winchester ◽  
Kyle Green
Keyword(s):  
Social Action ◽  
Martial Arts ◽  
The Self ◽  
The Other ◽  
Mixed Martial Arts ◽  
Theoretical Position ◽  
Course Of Action ◽  
Theories Of Action ◽  
Post Hoc ◽  
Over Time

Following Mills (1940), several prominent sociologists have encouraged researchers to analyze actors’ motive talk not as data on the subjective desires that move them to pursue particular ends, but as post hoc accounts oriented toward justifying actions already undertaken. Combining insights from hermeneutic theories of the self and pragmatist theories of action, we develop a theoretical position that challenges dichotomous assumptions about whether motive accounts reflect either justifications or motivations for action, instead illustrating how they can migrate from one status to the other over time. We develop this perspective through a comparativeanalysis of actors’ involvements in two quite different careers of social action – religion and mixed martial arts –documenting both how and when justificatory talk about actors’ motives for initiating a course of action at one point in time became formative of their subjective motivations for sustaining these same courses of action at another.

scholarly journals Clinical Evaluation of Denture Retention by Multi-suction Cup and Denture Adhesive

2020 ◽  
Vol 8 (D) ◽  
pp. 173-177
Author(s):  
Ahmed M. Shoieb ◽  
Hesham S. Borg
Keyword(s):  
Statistical Analysis ◽  
Testing Machine ◽  
The Other ◽  
Time Intervals ◽  
Denture Adhesive ◽  
Suction Cup ◽  
Universal Testing ◽  
Laboratory Procedures ◽  
Edentulous Patients ◽  
Post Hoc

AIM: The aim of the study was to compare the retention of two modalities: Multi-suction cup denture, and denture adhesive and to evaluate the change of retention by different time intervals. PATIENTS AND METHODS: Twelve completely edentulous patients were selected. The patients received two dentures: One conventional denture, and the other with multi-suction cups. The retention was measured by a universal testing machine at insertion, 15 min, 30 min, 1 h, 2 h, and 4 h. All values were recorded in Newtons. Statistical analysis was carried out using two-way analysis of variance with post hoc Tukey’s test. RESULTS: Retention was higher in denture adhesive than multi-suction cup, and the change of retention was not statistically significant by time. CONCLUSION: Denture adhesive showed better retention clinically and simplified laboratory procedures than multi-suction denture.

scholarly journals Effect of Fiber Laser Irradiation on the Shear Bond Strength between Acrylic Resin and Titanium

Scanning ◽  
2019 ◽  
Vol 2019 ◽  
pp. 1-11
Author(s):  
Fatih Mehmet Korkmaz ◽  
Selin Aycan
Keyword(s):  
Bond Strength ◽  
Fiber Laser ◽  
Shear Bond Strength ◽  
Acrylic Resin ◽  
Strength Test ◽  
The Other ◽  
Pairwise Comparisons ◽  
Strength Data ◽  
Post Hoc ◽  
One Way Anova

Objectives. The aim of this study is to investigate the shear bond strength of an acrylic resin to titanium after different surface treatment methods. Material and Methods. A total of seventy-two disc-shaped specimens (10 mm×10 mm×2 mm) were prepared from titanium alloy. The specimens were randomly allocated to six equal groups: Group S (sandblasting), Group MP (metal primer), Group 10W (fiber laser 10 W), Group 20W (fiber laser 20 W), Group 10WMP (fiber laser 10 W+metal primer), and Group 20WMP (fiber laser 20 W+metal primer). All of the specimens were thermocycled up to 5000 cycles. After thermal cycling, a shear bond strength test was conducted. The shear bond strength data were analyzed with one-way ANOVA and Tukey’s post hoc pairwise comparisons (p<0.05). Results. While the highest values were determined in Group MP, the lowest values were observed in Group S. Additionally, Group MP exhibited significantly higher shear bond strength values than any of the other groups (p<0.05) except Group 10WMP. Similar results were observed between Group MP and Group 10WMP (p>0.05). The groups in which a metal primer was applied (Group MP, 10WMP, and 20WMP) showed significantly higher values than Group S. The shear bond strength values of Group 10W and Group 20W were similar. Conclusions. The application of a metal primer significantly improved the bond strength of acrylic resin to titanium. Fiber laser application may be an alternative method to sandblasting for improving the bond strength of acrylic resin to titanium.

scholarly journals Efficacy of anti-bacterial and anti-fungal action on four medicinal plants extract the A.arabica, T.chebula, A.indica, and V.vinifera against Streptococcus mutans and Candida albicans -An in-vitro study

2019 ◽  
Vol 10 (4) ◽  
pp. 3121-3126
Author(s):  
Sunayana Manipal ◽  
Lubna Fathima ◽  
Sajid T Hussain ◽  
Venkat R
Keyword(s):  
Candida Albicans ◽  
Medicinal Plants ◽  
Medicinal Plant ◽  
Plant Extract ◽  
The Other ◽  
Dilution Method ◽  
Fungal Activity ◽  
Anti Fungal ◽  
Streptococcus Mutants ◽  
Plants Extract

The aim of the study was to test the anti-bacterial, and anti-fungal activity of four medical plants extract the A.arabica, T.chebula, A.indica, and V.vinifera against the streptococcus mutants and Candida albicans organisms. The extracts obtained from the medicinal plant of A.arabica, T.chebula, A.indica, and V.vinifera was procured and powdered. The minimum inhibitory concentration of the obtained extracts was determined by using the tube dilution method, and the bacterial strains of Streptococcus mutants and Candida albicans were cultured into the extract obtained at a concentration of 1mg/ml, 500µg/ml, 250µg/ml, and 100µg/ml respectively. The extracts obtained from A.arabica and T.chebula had a better anti-bacterial property when compared to the other two medicinal plants and the extracts obtained from A.indica and V.vinifera had a better anti-fungal property when compared to the other two medicinal plants. These plants extracts showed the anti-bacterial property in previous studies to add on to the review of literature in our study it proved that A.indica and V.vinifera had a better anti-fungal activity when compared to another two medicinal plant extract. The clinical significance of the medicinal plant extract can be effectively used as an anti-bacterial and anti-fungal agent as it was compared with the gold standard values of Streptomycin and Amphotericin B.

scholarly journals What’s in a name? Revisiting medicinal and religious plants at an Amazonian market

2021 ◽  
Vol 17 (1) ◽  
Author(s):  
Isabela Pombo Geertsma ◽  
Mariana Françozo ◽  
Tinde van Andel ◽  
Mireia Alcántara Rodríguez
Keyword(s):  
Medicinal Plants ◽  
Medicinal Plant ◽  
Species Composition ◽  
Plant Species ◽  
Forest Degradation ◽  
Vernacular Names ◽  
The Past ◽  
History Of ◽  
Northern Brazil ◽  
Over Time

Abstract Background In spite of an increasing number of ethnobotanical market surveys in the past decades, few studies compare changes in plant species trade over time. The open-air market Ver-o-Peso (VOP) in Belém, located near the mouth of the Amazon River in the state of Pará, Brazil, is known for its wide variety of medicinal plants. A survey of VOP was published in 1984, but it remains unknown to what extent its botanical composition changed over 34 years. Furthermore, in northern Brazil, little attention has been given to the origins of the vernacular names of these plants. Our aim is to give an up-to-date overview of the VOP medicinal plant market, concentrating on changes in species composition and vernacular names over time. Methods We collected medicinal plants and vernacular names at VOP in August 2018. We identified most plants at the Museo Paraense Emilio Goeldi Herbarium, where we also deposited vouchers and specimen labels. We compared our species composition data to the 1984 inventory by Van den Berg. Furthermore, we investigated the etymologies of the vernacular plant names. Results We recorded 155 plant specimens and 165 corresponding vernacular names, and collected 146 specimens from the medicinal and ritual stalls of VOP reporting 86 species formerly not recorded at this market. Vernacular names had mostly Portuguese roots, followed by Tupi and African ones. We found 30 species also documented in 1984, and vernacular names that overlapped between both surveys were used for the same botanical species or genus, indicating that vernacular names have changed little in the past decades. Lastly, we found 26 more introduced species sold at VOP compared to 1984. Conclusions Forest degradation and deforestation, prevalence of diseases, and methodological factors may play a role in the differences we found in our survey compared to 1984. Of the plants that did overlap between the two surveys, vernacular names of these plants were hardly different. Lastly, the lingual origins of the vernacular names in our survey and the origins of the plant species reflect the history of the intricate syncretism of medicinal plant practices of indigenous, Afro-Brazilian and European origins in Belém.

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