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Biopesticides

Biopesticides are certain types of pesticides derived from such natural materials as animals, plants, bacteria, and certain minerals.’ –  EPA definition.

EPA defines three categories for biopesticides but the two main ones are:

Biochemical
  • Insect Pheromones
  • Plant extracts, oils & botanicals
  • Plant growth regulators
  • Insect growth regulators
Microbial
  • Bacteria
  • Fungi
  • Viruses
  • Yiests

The use of biopesticides is rising and consumers are becoming more aware of the hazard that conventional pesticides can cause to the environment as well as to human health. This has lead to governments putting more pressure on farmers to use less traditional chemicals and regulators to approve fewer pesticides. Additionally most hazardous pesticides are being phased out and the availability of broad spectrum chemicals is reducing, which gives an opportunity for alternative technologies.

There are many benefits of using biopesticides as part of a crop protection strategy. Their low re-entry and pre-harvest intervals after application means crops can be protected right up to harvest which is also helped by their lack of residue. Biopesticides have lower environmental impact as they are usually less toxic than synthetic pesticides and generally affect only the target pest and closely related organisms. They fit well into IPM (Integrated Pest Management) programs for increased efficacy and yields and are useful for resistance management. In some countries biopesticide registration is less restrictive which allows for faster registrations than synthetic pesticides.

However, when it comes to biopesticides there are some challenges that need to be overcome. Generally biopesticides have a limited shelf life and can have limited persistence in the field. They can be slower acting meaning they are better for preventative measures as opposed to a curative method. Additionally they have to compete with conventional pesticides that are easy to use, low cost and generic.

Formulating with biopesticides

The goal when formulating biopesticides is to make these technologies more predictable and competitive than synthetic pesticides. When using a microbial active ingredient the formulation should: stabilise the organisms during production, distribution and storage, aid in the handling and application of the product, protect the microbe from harmful environmental factors and enhance the activity of the organism.

When it comes to formulating with biopesticides we can offer example formulations and recommend formulation additives. The best approach when choosing a formulation aid is to rely on mild and biocompatible surfactants such as: low risk non-ionic polymers, sorbitan esters and polysorbates.

If you would like to discuss more about how to formulate biopesticide formulations or for tailored advice, get in touch to speak to our team.

Product Finder

Your partner for microbial formulations

Biologicals brochure
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biologicals partner

Your partner for microbial biopesticide formulations

To achieve formulation success when using a microbial active ingredient, download the brochure at the top of the page and learn how to overcome challenges such as end product stability and maintaining viability of a microorganism.

Features of the brochure:

  • Considerations for formulation development
  • Our solutions and analytical capabilities
  • Compatibility data from viability tests
  • Troubleshooting
  • Formulation examples
  • Chemists working in laboratory

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