pyrethrum in A Sentence

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    Pyrethrum powder is a natural poison.

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    Natural Insecticide Pyrethrum Bifenthrin.

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    Pyrethrum ester is small for environmental pollution because of low concentration and low dosage.

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    Pyrethrum ester is a kind of broad spectrum insecticide that can prevent a variety of insect pests.

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    Wolfberry Company mainly introduces Goji diseases and insect pests bio-control technology in technique, such as matrine, veratrine, Cynanchum komarovii, Pyrethrum;

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    Widespread even in recent years, it even seems to have become more resistant to some substances or Pyrethrum used to fight it.

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    When I compared the organic chemicals copper sulfate and Pyrethrum to the top synthetics, chlorpyrifos and chlorothalonil, I found that not only were the organic ones more acutely toxic, studies have found that they are more chronically toxic as well, and have higher negative impacts on non-target species.

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