pyrethrin वाक्य
उदाहरण वाक्य
मोबाइल
- I have sprayed a Kaffir Lime tree with a pyrethrin product to eliminate a heavy infestation of red spider mites.
- These flowers prefer to be grown in dry soils at a lower altitude than the Dalmatian chrysanthemum to optimize pyrethrin production.
- Processing the flowers to cultivate the pyrethrin is often a lengthy process, and one that varies from area to area.
- These results are comparable or superior to the results previously reported for treatments with permethrin, pyrethrin, and malathion ."
- If gardeners must use pesticides, they can choose plant-derived botanical ones, such as rotenone, pyrethrin and sabadilla.
- For instance, naturally occurring pesticides such as pyrethrin and rotenone are permitted, while synthetic fertilizers and pesticides are generally prohibited.
- The degree to which the flower is crushed has an effect on both the longevity of the pyrethrin usage and the quality.
- Since I use the leaves in cooking, IS IT SAFE to eat the food cooked using these pyrethrin-sprayed leaves?
- It is classified as a pyrethroid, meaning that in terms of chemical structure, it resembles the naturally occurring insecticide pyrethrin.
- The company produced pyrethrin insecticides but force to close in mid-1960 with government restrictions on the importing of pyrethrum flowers.
- Mix diatomaceous earth and pyrethrin in a 9-to-1 ratio, respectively, and dust it directly onto the mounds.
- Try spraying a pyrethrin-based insecticide into the bloom, and keep the garden free of weeds, where the adults congregate.
- Insecticides to use are borax-based products such as TIM-Bor or Bora-Care, and pyrethrin / silica aerogel.
- The structures of the natural insecticides pyrethrin I, R = CH 3 and pyrethrin II, R = CO 2 CH 3.
- The structures of the natural insecticides pyrethrin I, R = CH 3 and pyrethrin II, R = CO 2 CH 3.
- Most of the world's supply of pyrethrin and " C . cinerariaefolium " comes from Kenya, which produces the most potent flowers.
- Its active ingredient is a pyrethrin insecticide, the same used by semi-organic farmers ( pyrethrins are a natural insecticide first derived from an African pyrethrum daisy ).
- Wolfe quoted studies showing nonprescription products containing a safer ingredient, such as permethrin in Nix or pyrethrin in RID Lice Shampoo, are as effective as lindane but safer.
- If you don't want the hassle of mixing your own, you can buy premixed diatomaceous earth and pyrethrin products such as Perma Guard or Organic Plus, Kinler said.
- Because they are biodegradable compounds, pyrethrins are now widely regarded as being preferable to pyrethroids, which is the name of a group of synthetic analogues of pyrethrin that accumulate in the environment.
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