Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Hypothesis: Accept or Fail to Reject?01:17

Hypothesis: Accept or Fail to Reject?

The outcome of any hypothesis testing leads to rejecting or not rejecting the null hypothesis. This decision is taken based on the analysis of the data, an appropriate test statistic, an appropriate confidence level, the critical values, and P-values. However, when the evidence suggests that the null hypothesis cannot be rejected, is it right to say, 'Accept' the null hypothesis?
There are two ways to indicate that the null hypothesis is not rejected. 'Accept' the null hypothesis and 'fail to...
Chemical Agents for Microbial Control01:27

Chemical Agents for Microbial Control

Chemicals play important roles in controlling microbial growth by targeting microbial structures and functions as sanitizers, antiseptics, disinfectants, and sterilants.Alcohols are commonly used sanitizers, effectively disrupting lipid membranes, which compromises cell integrity. They are also used as antiseptics and disinfectants due to their rapid action and versatility.Phenols and their derivatives phenolics , known for denaturing proteins and disrupting cell membranes, are particularly...
Biological Methods for Microbial Control01:28

Biological Methods for Microbial Control

Biological agents offer an effective means of controlling microbial growth by leveraging natural processes like predation, competition, and the secretion of antimicrobial substances.Predatory bacteria such as Bdellovibrio species target and kill pathogens like Salmonella and E. coli. They are widely used in poultry farms to control infections. Myxococcus species help combat plant-pathogenic fungi. These naturally occurring predators serve as eco-friendly alternatives to chemical pesticides and...
Production of Biopesticides01:18

Production of Biopesticides

Biopesticides offer a sustainable alternative to chemical pesticides, utilizing microbial agents to control agricultural pests. Bacillus thuringiensis (Bt) is a widely employed bacterium known for its potent insecticidal activity. Bt biopesticides are favored for their specificity to insect pests, minimal environmental impact, and natural degradability.Mechanism of Bt Toxin Action Bt produces insecticidal crystal (Cry) proteins during its sporulation phase. These proteins form parasporal...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Characterization of Caenorhabditis elegans lectin-binding mutants.

Genetics·1992
Same author

Time to rethink about energy.

Lakartidningen·1972
Same author

A comparative study on the meaning of stability in five biological systems: insect and furbearer populations, influenza, Thai hemorrhagic fever, and plague.

Brookhaven symposia in biology·1969
See all related articles

Related Experiment Video

Updated: Jul 20, 2026

Bioassays for Monitoring Insecticide Resistance
06:30

Bioassays for Monitoring Insecticide Resistance

Published on: December 30, 2010

Use of a computer to evaluate alternative insecticidal programs.

K E WATT

    Science (New York, N.Y.)
    |March 10, 1961
    PubMed
    Summary

    Insect pest control through spraying may be ineffective. Numerical simulations show that pest populations exhibit homeostatic responses, negating apparent benefits of insecticidal procedures.

    Area of Science:

    • Ecology
    • Population Dynamics
    • Mathematical Biology

    Background:

    • Insect pests pose significant threats to agriculture and ecosystems.
    • Understanding population dynamics is crucial for effective pest management strategies.
    • Density-dependent factors and weather significantly influence insect population fluctuations.

    Purpose of the Study:

    • To simulate insect pest population trends under various conditions.
    • To evaluate the efficacy of different insecticidal procedures.
    • To investigate the impact of density-dependent factors and weather on pest population dynamics.

    Main Methods:

    • A numerical routine was developed to mimic density-dependent factors and weather.
    • Simulations were conducted for pest populations without control measures.
    Keywords:
    INSECTICIDES/pharmacology

    More Related Videos

    Visualizing Efficacy of Pesticides Against Disease Vector Mosquitoes in the Field
    10:49

    Visualizing Efficacy of Pesticides Against Disease Vector Mosquitoes in the Field

    Published on: March 16, 2019

    Topical Application Bioassay to Quantify Insecticide Toxicity for Mosquitoes and Fruit Flies
    09:37

    Topical Application Bioassay to Quantify Insecticide Toxicity for Mosquitoes and Fruit Flies

    Published on: January 19, 2022

    Related Experiment Videos

    Last Updated: Jul 20, 2026

    Bioassays for Monitoring Insecticide Resistance
    06:30

    Bioassays for Monitoring Insecticide Resistance

    Published on: December 30, 2010

    Visualizing Efficacy of Pesticides Against Disease Vector Mosquitoes in the Field
    10:49

    Visualizing Efficacy of Pesticides Against Disease Vector Mosquitoes in the Field

    Published on: March 16, 2019

    Topical Application Bioassay to Quantify Insecticide Toxicity for Mosquitoes and Fruit Flies
    09:37

    Topical Application Bioassay to Quantify Insecticide Toxicity for Mosquitoes and Fruit Flies

    Published on: January 19, 2022

  • Various insecticidal procedures were simulated and analyzed.

    • Main Results:

    • Apparent benefits of spraying insect pests were found to be illusory.
    • Insecticidal procedures elicited a homeostatic response in pest populations.
    • Population trends indicated that spraying did not lead to sustainable control.

    Conclusions:

    • Standard insecticidal spraying may not be an effective long-term pest control strategy.
    • Pest populations possess inherent regulatory mechanisms that counteract external interventions.
    • Further research into integrated pest management approaches that account for homeostatic responses is warranted.