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123 results about "Coumoxystrobin" patented technology

Coumoxystrobin is a member of the class of coumarins that is the methyl ester of (2E)-2-(2-{[(3-butyl-4-methyl-2-oxochromen-7-yl)oxy]methyl}phenyl)-3-methoxyprop-2-enoic acid. A fungicide active against various fungal infections including downy mildew, blight, powdery mildew and rice blast.

Bactericidal composition containing cupric nonyl phenolsulfonate and methoxy-acrylate bactericide

The invention discloses a bactericidal composition containing cupric nonyl phenolsulfonate and a methoxy-acrylate bactericide. The methoxy-acrylate bactericide is selected from azoxystrobin, kresoxim-methyl, metominostrobin, fluoxastrobin, trifloxystrobin, orysastrobin, picoxystrobin, pyraclostrobin, enostrobilurin, SYP-1620, phenylatestrobin, coumoxystrobin, pyraoxystrobin and pyraclostrobin, wherein the weight ratio of the cupric nonyl phenolsulfonate to the methoxy-acrylate bactericide is 1:5-20:1. The bactericidal composition can be prepared into missible oil, microemulsion, water-dispersible granules, wettable powder and a suspending agent which are permitted in the agriculture. The bactericidal composition containing the cupric nonyl phenolsulfonate and the methoxy-acrylate bactericide is reasonable in ingredients, good in bactericidal effect and low in drug cost, and the activity and the bactericidal effect are not formed by the activities of the ingredient simply. Compared with an existing single preparation, the bactericidal composition has remarkable synergistic effect except the remarkable bactericidal effect, is free of pollution to crops and good in safety, meets the safety requirements of pesticide preparations, and has remarkable preventive and control effect on powdery mildew, downy mildew, anthracnose and banded sclerotial blight of the crops.
Owner:SHAANXI SUNGER ROAD BIO SCI

Benthiavalicarb isopropyl containing bactericidal composition

The invention discloses a benthiavalicarb isopropyl containing bactericidal composition. An effective active ingredient is composed of a first active ingredient and a second active ingredient, wherein the first active ingredient is benthiavalicarb isopropyl, the second active ingredient is selected from strobilurin fungicide azoxystrobin, kresoxim-methyl, metominostrobin, fluoxastrobin, picoxystrobin or coumoxystrobin, the weight ratio of the first active ingredient to the second active ingredient is (1:10)-(8:1), preferably (1:8)-(5:1). The composition can be prepared into agriculturally allowable water dispersible granules, wettable powder and suspending agent dosage forms. The bactericidal composition disclosed by the invention is reasonable in ingredients, good in bactericidal effect and low in medicine application cost, and the activity and bactericidal effect of the bactericidal composition are not the simple combination of the activities of ingredients, so that compared with the existing single preparations, the bactericidal composition not only has a significant bactericidal effect but also has a significant synergistic effect, is low in medicine application cost and good in safety, has no pollution to crops, and conforms to the safety requirements of pesticide preparations. The bactericidal composition disclosed by the invention has a significant control effect on downy mildew, powdery mildew, rice blast and sheath blight of crops.
Owner:农心作物科技股份有限公司

Metrafenone-containing bactericidal composition

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.
Owner:SHAANXI SUNGER ROAD BIO SCI

Liquid chromatography-tandem mass spectrometry method for determining coumoxystrobin residual quantity in vegetable food

InactiveCN111289634AEfficient extractionMeet the requirements of the maximum residue limitComponent separationBiotechnologyEthylenediamine
The invention, which belongs to the technical field of food safety, relates to a method for detecting the residual amount of coumoxystrobin in vegetable food. The method comprises the following steps:weighing a uniform sample; carrying out homogeneous extraction with a methanol solution; carrying out purifying with anhydrous magnesium sulfate and an N-propylethylenediamine solid phase adsorbent;carrying out high-speed refrigerated centrifugation, carrying out supernatant rotary evaporation to be nearly dry, dissolving residues with methanol, carrying out purifying with an HLB purification column; blowing eluted liquid nitrogen to be dry; carrying out dissolving with a mobile phase, fixing the volume, carrying out filtering with a 0.22micron organic filter membrane, and waiting for detection; detecting a to-be-detected substance by using a liquid chromatograph-mass spectrometer, and carrying out quantifying by using an external standard method. The detection method provided by the invention has the advantages of simple and novel pretreatment steps, good impurity removal effect, high sensitivity, high recovery rate and good precision of determination results, and can effectively detect the residual amount of coumoxystrobin in vegetable food.
Owner:杭州谱尼检测科技有限公司

A kind of bactericidal composition containing syringstrobin and protective bactericide

The invention discloses an agricultural germicide composition containing coumoxystrobin and protective fungicide, which comprises an effective active ingredient consisting of the coumoxystrobin and the protective fungicide selected from mancozeb, zineb, thioneb and propineb, and the weight ratio of the coumoxystrobin to the protective fungicide is 1:3-1:50. The composition can be prepared into water dispersible granules and wettable powder permitted in agriculture. The composition disclosed by the invention has reasonable components, a good bactericidal effect and low medication cost, and theactivity and the bactericidal effect of the composition are not the simple sum of the activity of each component. Compared with the existing single preparation, the composition also has an obvious synergistic effect in addition to an obvious sterilizing effect, the generation of resistance is retarded, the residual quantity of the preparation is small, and the composition has no pollution on crops, has good safety and meets the requirement on the safety of the pesticide preparation. The germicide composition disclosed by the invention has an obvious prevention and treatment effects on Altemaria mali Roberts, ring spot, anthracnose, brown blotch, vegetable anthracnose, downy mildew and epidemic disease.
Owner:JILIN BADA PESTICIDE
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