pyrethrin in a sentence

Examples

1. I have sprayed a Kaffir Lime tree with a pyrethrin product to eliminate a heavy infestation of red spider mites.
2. These flowers prefer to be grown in dry soils at a lower altitude than the Dalmatian chrysanthemum to optimize pyrethrin production.
3. Processing the flowers to cultivate the pyrethrin is often a lengthy process, and one that varies from area to area.
4. These results are comparable or superior to the results previously reported for treatments with permethrin, pyrethrin, and malathion ."
5. If gardeners must use pesticides, they can choose plant-derived botanical ones, such as rotenone, pyrethrin and sabadilla.
6. For instance, naturally occurring pesticides such as pyrethrin and rotenone are permitted, while synthetic fertilizers and pesticides are generally prohibited.
7. The degree to which the flower is crushed has an effect on both the longevity of the pyrethrin usage and the quality.
8. Since I use the leaves in cooking, IS IT SAFE to eat the food cooked using these pyrethrin-sprayed leaves?
9. It is classified as a pyrethroid, meaning that in terms of chemical structure, it resembles the naturally occurring insecticide pyrethrin.
10. The company produced pyrethrin insecticides but force to close in mid-1960 with government restrictions on the importing of pyrethrum flowers.