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Products
Pyrethrum cinerariifolium
trade name |
part used |
ingredient |
specification |
tests methd |
flowerhead |
flower |
pyrethrin |
50% |
GC |
Product name :Flowerhead extract (pyrethrum cinerariifolium;natural pesticide) .
Ingredient :The Pyrethrum flower extract ingredient 50% Pyrethrins.
Function : It is a natural pesticide .
This insecticide also kills many beneficial insects, though it is relatively harmless to mammals[4].
Another report says that it is non-toxic to mammals[238]. I
t is best used in the evening so that it will have lost much of its virulence by the morning[201]. Steep two handfuls of the dried powdered flowers in one litre of hot water for an hour.
This mixture can be either pureed or strained and then used as a spray[201].
Once dried, the flowers or the powder retain their insecticidal properties almost indefinitely[238].
The growing plant can be used as an insect repellent in the garden[14, 18, 20].
Effective against mosquitoes and ants[201].
Picture:
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