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Lime sulfur reacts with strong acids (including stomach acid) to produce highly toxic hydrogen sulfide (rotten egg gas) and indeed usually has a distinct "rotten egg" odor to it. Lime sulfur is not flammable but can release highly irritating sulfur dioxide gas when in a fire. Safety goggles and impervious gloves must be worn while handling lime ...
This is a list of fungicides.These are chemical compounds which have been registered as agricultural fungicides.The names on the list are the ISO common name for the active ingredient which is formulated into the branded product sold to end-users. [1]
Chlorothalonil (2,4,5,6-tetrachloroisophthalonitrile) is an organic compound mainly used as a broad spectrum, nonsystemic fungicide, with other uses as a wood protectant, pesticide, acaricide, and to control mold, mildew, bacteria, algae. [2] Chlorothalonil-containing products are sold under the names Bravo, Echo, and Daconil.
Traditional fungicides are simple inorganic compounds like sulfur, [5] and copper salts. While cheap, they must be applied repeatedly and are relatively ineffective. [ 2 ] Other active ingredients in fungicides include neem oil , rosemary oil, jojoba oil , the bacterium Bacillus subtilis , and the beneficial fungus Ulocladium oudemansii .
One kg of CuSO 4 actually requires only 0.225 kg of chemically pure hydrated lime to precipitate all the copper. Good proprietary brands of hydrated lime are now freely available, but, as even these deteriorate on storage (by absorbing carbon dioxide from the air), a ratio of less than 2:1 is seldom used, which corresponds to a 1:0.5:100 mixture.
Thiram is a type of sulfur fungicide. It has been found to dissolve completely in chloroform, acetone, and ether. It is available as dust, flowable, wettable powder, water-dispersible granules, and water suspension formulations and in mixtures with other fungicides. [4] Thiram is nearly immobile in clay soils or in soils of high organic matter.
In most countries, pesticides must be approved for sale and use by a government agency. [5] In the US, EPA is responsible for regulating pesticides under the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) and the Food Quality Protection Act (FQPA). [6]
Barley straw, in England, is placed in mesh bags and floated in fish ponds or water gardens to help reduce algal growth without harming pond plants and animals. Barley straw has not been approved by the United States Environmental Protection Agency (EPA) for use as a pesticide and its effectiveness as an algaecide in ponds has produced mixed results during university testing in the United ...
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