A kind of bactericidal composition containing syringstrobin
A technology of syringstrobin and composition, which is applied in the field of compound pesticides, to achieve the effect of slowing down resistance, reasonable components, and reducing the frequency of application
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[0056] Example 1
[0057] Weigh 30% syringomycin, 50% dimethomorph, 3% TERSPERSE 2700 (polycarboxylate, produced by Huntsman, USA), 2% diffusing agent NNO (alkyl naphthalene sulfonate formaldehyde condensate), Add 3% BX (sodium dibutyl naphthalene sulfonate), 2% K-12 (sodium lauryl sulfate), 3% diatomaceous earth, 5% glucose, and kaolin to 100% by weight. The above-mentioned raw materials are prepared by conventional methods for preparing water dispersible granules, namely mixing, ultra-fine jet pulverization, mixing, and granulation steps to prepare 80% syringomycin·dimethomorph water dispersible granules.
[0058] The formula is used to prevent and treat cucumber downy mildew. The dosage is 10g per mu, and the spray is diluted with 50kg of water. The control effect is 92.5% 7 days after the medicine. The dosage of 20% syringomycin suspension is 20g per mu and the dosage of 50% dimethomorph water dispersible granules is 40g per mu. Using the same method, the control effect of 7 d...
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[0059] Example 2
[0060] Weigh 10% syringomycin, 40% metalaxyl, 3% TERSPERSE 2700, 3% diffusing agent NNO, 2% powder BX, 1% K-12, 1% carboxymethyl cellulose, 3% urea, The diatomaceous earth is added to 100% by weight. The above-mentioned raw materials are prepared by conventional methods for preparing water-dispersible granules, namely mixing, ultra-fine jet pulverization, mixing, and granulation steps to prepare 50% syringosin-methyl-metalaxyl water-dispersible granules.
[0061] This formula is used to prevent and treat grape downy mildew. It is diluted and sprayed with water by 2500 times, and the control effect is 91.1% after 10 days. The 20% syringomycin suspension is 2000 times and the 20% metalaxyl wettable powder is 500 times, using the same method, the control effect is 78.5% and 76.4% 10 days after the medicine.
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[0062] Example 3
[0063] Weigh 20% syringomycin, 10% metalaxyl, 4% TERSPERSE 2700, 2% diffusing agent NNO, 2% spreading powder BX, 2% K-12, 3% corn starch, 5% ammonium sulfate, bump The clay is added to 100% by weight. The above-mentioned raw materials are prepared by conventional methods for preparing water-dispersible granules, namely mixing, ultra-fine jet pulverization, mixing, and granulation steps to prepare 30% syringomycin·methoxalin water-dispersible granules.
[0064] The formula is used to control pepper blight. The dosage is 15g per mu, and the spray is diluted with 50kg water. The control effect is 92.5% 10 days after the medicine. The dosage of 20% syringomycin suspension is 20g per mu and the dosage of 10% metalaxyl wettable powder is 50g per mu. Using the same method, the control effect of 10 days after administration is 78.2% and 82.6%, respectively.
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