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A technology containing metrafenone and composition, applied in the field of compound pesticides
Active Publication Date: 2012-12-26
SHAANXI SUNGER ROAD BIO SCI
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[0010] In order to overcome the defective of existing single prepa
Method used
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Embodiment 1
[0058] Weigh 80% metrafenone, 5% azoxystrobin, 2% TERSPERSE 2700 (polycarboxylate, produced by Huntsman, USA), 1% diffusing agent NNO (alkyl naphthalene sulfonate formaldehyde condensate), 2% % Pull open powder BX (sodium dibutylnaphthalene sulfonate), 2% K-12 (sodium lauryl sulfate), 1% carboxymethyl cellulose, 2% urea, diatomaceous earth added to 100% by weight . The above-mentioned raw materials are prepared through the conventional method for preparing water-dispersible granules, namely mixing, ultrafine airflow pulverization, mixing, and granulation to prepare 85% metrafenone·azoxystrobin water-dispersible granules.
Embodiment 2
[0060] Weigh 5% Metrafenone, 50% Dikestrobin, 3% TERSPERSE 2700, 2% Diffusion Agent NNO, 3% Open Powder BX, 2% K-12, 3% Diatomaceous Earth, 5% Glucose, Kaolin Add to 100% by weight. The above-mentioned raw materials are prepared through the conventional method for preparing water-dispersible granules, namely mixing, ultrafine airflow pulverization, mixing, and granulation to prepare 55% metrafenone·dikestrobin water-dispersible granules.
Embodiment 3
[0062] Weigh 30% metrafenone, 30% syringstrobin, 3% TERSPERSE 2700, 3% diffusing agent NNO, 2% pull open powder BX, 1% K-12, 1% carboxymethylcellulose, 3% urea, Diatomaceous earth is added to 100% by weight. The above-mentioned raw materials are prepared through the conventional method for preparing water-dispersible granules, ie, mixing, ultrafine airflow pulverization, mixing, and granulation to prepare 60% metrafenone·syringstrobin water-dispersible granules.
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Abstract
The invention discloses a metrafenone-containing bactericidal composition, which consists of a first active ingredient and a second active ingredient, wherein the first active ingredient is metrafenone; the second active ingredient is strobilurin fungicide which is selected from azoxystrobin, (E)-2-[2-(2, 5-dimethyl phenoxyl toluene)-benzyl]-3-methoxy methyl acrylate and coumoxystrobin; and the weight ratio of the first active ingredient to the second active ingredient is 1:10-20:1, preferably 1:5-10:1. The composition can be prepared into agriculturally permissible formulations such as water dispersible granule, wettable powder, suspension and dispersible oil suspension. The metrafenone-containing bactericidal composition has the advantages of rational composition, good bactericidal effect and low medication cost; the activity and the bactericidal effect of the metrafenone-containing bactericidal composition are not simple superposition of activity of each component; and compared with the conventional single preparation, the metrafenone-containing bactericidal composition has an obvious bactericidal effect and an obvious synergistic effect, is pollution-free for crops, has high safety, meets the safety requirements of agricultural preparations and has an obvious prevention and treatment effect on powdery mildew, downy mildew, epidemic diseases and anthracnose of the crops.
Description
technical field [0001] The invention relates to a bactericidal composition containing metrafenone, in particular to a bactericidal composition composed of metrafenone and methoxyacrylate fungicides, and belongs to the technical field of compound pesticides. Background technique [0002] Metrafenone, English common name: Metrafenone, chemical name: (3-bromo-6-methoxy-2-methylphenyl)-(2,3,4-trimethoxy-6-methylphenyl) Methyl ketone, an agricultural fungicide developed by BASF, has the functions of protecting, treating and inhibiting sporulation of various crop powdery mildews. [0003] Methoxyacrylic fungicides are newly developed fungicide varieties in recent years and are a major milestone in the field of fungicides. Methoxyacrylate fungicides have a unique mechanism of action. The active group of this type of fungicide is methoxyacrylic acid (ester / amide), which mainly acts on the cytochrome bel complex in the mitochondrial respiratory chain of fungi, preventing Electron t...
Claims
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