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Bupirimate-containing antibacterial composition
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A pyrithrimol sulfonate and composition technology, which is applied in the direction of fungicides, biocides, biocides, etc., to achieve good killing effect, easy degradation, and good drug effect
Inactive Publication Date: 2012-02-15
HAILIR PESTICIDES & CHEM GRP
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Experiments have confirmed that the two have a strong synergistic effect, and the research on the compounding of pyrithrimol sulfonate and one of propoxyquinoline or phenoxyquinoline as the active ingredient has not been found at home and abroad after retrieval. see related reports
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example 1
[0045] (1) Experimental object:
[0046] Cucumber powdery mildewpathogen was isolated and purified from cucumber powdery mildew-infected leaves in Shandong Shouguang cucumber greenhouse, cultured and preserved on PDA slant in 4°C refrigerator.
[0047] Test medium:
[0048] PDA medium: potato 200g, glucose 20g, agar 20g, water 1000ml.
[0051] 95% Propoxyquinoline original drug, 95% Pyrimethymol sulfonate original drug, provided by Synthetic Institute of Qingdao Hailier R&D Center.
[0052] Mix and match settings:
[0053] The content percentages of 18% pyrithrimolsulfonate·propoxyquinoline are 3:15, 5:13, 7:11, 9:9, 11:7, that is, 3%+15%, 5%+13%, 7%+11%, 9%+9%, 11%+7% total 5 mixing combinations.
[0074] Wheat powdery mildewpathogen is isolated and purified from wheat powdery mildew diseased leaves in the field, cultivated and stored in a 4°C refrigerator on a PDA slope.
[0075] We performed toxicity assays for single doses of pyrithrimol sulfonate and phenoxyquinoline, EC 50 The values were 4.53 mg / l and 7.76 mg / l, respectively.
[0076] Mix and match settings:
[0077] The content percentages of 20% pyrithrimolsulfonate·phenoxyquinoline are 4:16, 6:14, 8:12, 10:10, 12:8, namely 4%+16%, 6%+14%, 8%+12%, 10%+10%, 12%+8% total 5 mixing combinations.
[0078] The test method is similar to that of biological assay example 1.
[0079] Experimental results and analysis:
[0080] Table 3 Toxicity test of phenoxyquinoline and pyrithrimol sulfonate compound against wheat powdery mildew
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Abstract
The invention relates to an antibacterial composition in the field of compounding of pesticides, and the antibacterial composition comprises two effective components (bupirimate and proquinazid or a binary mixture of quinoxyfen) and the balance of auxiliary components which are allowable and acceptable in pesticides, wherein the weight percentage of the two effective components is (90:1)-(1:90), preferably (2-65):(70-3); the total weight percent of the effective components in the antibacterial composition is 1-90%, preferably 5-70%; and the antibacterial composition can be prepared into wettable powder, a suspending agent, an emulsifiable concentrate, a soluble liquid solvent, an emulsion in water, and water dispersible granules by using known methods. The antibacterial composition disclosed by the invention is mainly used for preventing and treating diseases arising from erysiphe, puccinia, colisporites, pyrenophora and septoriabacteria.
Description
technical field [0001] The invention relates to the technical field of pesticide compounding, in particular to a bactericidal composition which uses pyrithrimol sulfonate and one of propoxyquinoline or phenoxyquinoline as active ingredients for binary compounding. Background technique [0002] Pyrimolsulfonate belongs to pyrimidine systemic fungicides and has protective and therapeutic effects. It can be quickly absorbed by plant roots, stems, and leaves, and circulates to various parts of the plant body, so it is resistant to rain erosion. It has the advantages of less dosage, high efficiency, low toxicity, and special effects on powdery mildew, so it replaces pyrimethol and pyrimol and other pesticides. Suitable for fruit trees, vegetables, flowers and other ornamental plants and field crops. Targets of prevention and control Various powdery mildews, such as apples, grapes, cucumbers, strawberries, roses, sweet raisin powdery mildew, have phytotoxicity to certain varieti...
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