Biological Pest Control
Biological Pest Control - Related Videos
15:14
Establishing Fungal Entomopathogens as Endophytes: Towards Endophytic Biological Control
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Cited by 197 •
2013
This protocol demonstrates two inoculation methods to introduce the fungal entomopathogen Beauveria bassiana as an endophyte in the common bean (Phaseolus vulgaris), in preparation for subsequent evaluations of endophytic biological control.
01:28
Biological Methods for Microbial Control
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2025
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...
08:58
Procedures of Laboratory Fumigation for Pest Control with Nitric Oxide Gas
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Cited by 12 •
2017
This paper describes nitric oxide (NO) fumigation protocols for postharvest pest control. Fumigation chambers are flushed with nitrogen (N2) to establish ultralow oxygen conditions before NO is injected. At the end, chambers are flushed with N2 to dilute NO before exposing products to ambient air to prevent exposure to NO2.
08:53
Application of Two-spotted Spider Mite Tetranychus urticae for Plant-pest Interaction Studies
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Cited by 61 •
2014
Protocols for efficient preparation of homogenous samples of spider mites, infestation of experimental plants, and assessment of plant damage, as required for studies of plant-pest interaction were developed.
09:45
Delivery of Nucleic Acids through Embryo Microinjection in the Worldwide Agricultural Pest Insect, Ceratitis capitata
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Cited by 7 •
2016
The Mediterranean fruit fly (medfly) Ceratitis capitata (Diptera: Tephritidae) is a worldwide pest of agriculture. A deeper understanding of its biology is key to control medfly populations and thus reduce economic impact. Embryo microinjection is a fundamental tool allowing both germ-line transformation and reverse genetics studies in this species.
FAQs
Bacillus thuringiensis produces insecticidal proteins that act after reaching the larval gut. The proteins bind to receptors in susceptible insects, disrupting gut integrity and contributing to larval damage. This receptor-mediated activity helps explain why the treatment affects some insect species more strongly than others, making molecular recognition central to its biological pest control effectiveness.
Host specificity determines which pests are affected while limiting effects on other organisms. Biochemical recognition, including interactions between microbial compounds and insect receptors, contributes to this selectivity. Predators, parasitoids, pathogens, and microbial products may therefore differ in their target range. Careful attention to specificity can help protect beneficial organisms while addressing the intended pest.
Resistance can develop when pest populations respond to repeated exposure to the same biological agent or its active compound. Changes affecting toxin activity, receptor interactions, or other stages of the agent’s action may reduce effectiveness. Because biochemical mechanisms influence susceptibility, monitoring resistance is important when biological control is used repeatedly within integrated pest management.
Biochemical interactions can influence more than immediate pest death. They may disrupt feeding, development, reproduction, or survival, while signaling processes help determine how organisms respond to one another. Considering these effects gives researchers a broader way to evaluate biological control outcomes, especially when an agent suppresses pest populations through several connected stages of the life cycle.
Within integrated pest management, biological control is used as part of a broader strategy rather than as an isolated replacement for every other approach. Researchers and practitioners consider whether predators, parasitoids, pathogens, or microbial compounds can suppress the target pest while reducing reliance on primarily synthetic chemicals. Careful application is important for protecting beneficial organisms and limiting unwanted effects.
Biological pest control has applications in agriculture, forestry, and public health. Its relevance extends beyond short-term pest suppression because it can reduce pesticide residues and provide options considered more sustainable than relying primarily on synthetic chemicals. Outcomes depend on the biological agent, its biochemical activity, target susceptibility, and how carefully the approach is integrated into pest-management practices.