Pyrethrum Use
Pyrethrum as plant-based insecticide active ingredient
- It is naturally plant-based insecticide
- Natural Pyrethrin’s provides broad-spectrum contact kill of most insects – Especially the Kenyan Pyrethrum with its balanced knockdown effect (Ratio of PI : PII – 1:1)
- It has advantage of favourable/minimal toxicology profile, short environmental persistence, and short withholding period.
Usage
Pyrethrin-based products are used in more sensitive applications including pest control in food processing environments, in protected cropping integrated-pest-management, and for eradicating head lice on pests.
Other includes:
- Farming, Gardening, and fumigations
- Hotel industries for carpets and environment
- Commercial kitchen
- Daily industries — (Registered for daily use in NEW ZEALAND)
- Fogging
- Misting
- Cargo planes
- Military Barracks e.t.c
Pyrethrins vs. Pyrethroids – Why pyrethrum is better than pyrethroids
Pyrethrins are natural plant-based insecticides that make up the mixture known as pyrethrum, while pyrethroids are synthetic chemical insecticides with a chemical structures similar to their natural counterparts and which work in a similar way.
While natural pyrethrum is quite safe, the synthetic pyrethroids are usually much more toxic and persistent, because they’re designed to be. Pyrethroids are modified to increase their stability in sunlight.
It is therefore important not to mistake insecticide formulations containing synthetic pyrethroids as natural pyrethrum, because if we consider a situation where it is appropriate to use natural pyrethrum, it may be totally inappropriate to use a synthetic pyrethroid.
The synthetic pyrethroids are highly toxic to aquatic organisms and US Agencies undertaking water quality monitoring efforts in California have discovered a new risk posed by these pesticides, especially the newer second-generation pyrethroids, which are more toxic, more resistant to breakdown under sunlight and persist longer in the environment.. “Findings further indicate that the unique physical, chemical, and toxicological properties of the pyrethroid class of chemicals contribute to their propensity to accumulate in sediment at toxic levels.” [5] This is significant because the aquatic sediment is the home of many aquatic invertebrates, such as crustaceans (crayfish and shrimp), molluscs (clams and mussels), insect larvae, worms and snails.
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