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Compound pesticide bactericidal composition containing trifloxystrobin and preparation

A technology of trifloxystrobin and composition, which is applied in the field of bactericidal pesticide composition, can solve the problems of high cost of bactericidal composition, reduced therapeutic effect, and increased burden of pesticide application on farmers, so as to prevent disease resistance, reduce environmental pollution and pesticide Residue, the effect of reducing the amount of pesticides used in the field

Active Publication Date: 2015-03-04
YONGNONG BIOSCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the basis of the above findings, the technical scheme of the present invention has been formed through quantitative analysis of the combined effects of the compositions, namely: the cost of the obtained bactericidal composition is high, which increases the burden of pesticide application on farmers; and the use of the above composition After a period of time, plant diseases will also develop certain resistance, and the treatment effect will be reduced

Method used

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  • Compound pesticide bactericidal composition containing trifloxystrobin and preparation
  • Compound pesticide bactericidal composition containing trifloxystrobin and preparation
  • Compound pesticide bactericidal composition containing trifloxystrobin and preparation

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0044] Bioassay example 1: Toxicity determination of trifloxystrobin and oxastrobin compound against downy mildew

[0045] Test object: Tomato downy mildew

[0046] Test method: Refer to the indoor bioassay test guidelines for fungicides and pesticides "The Agricultural Industry Standard of the People's Republic of China NY / T1156.6-2006" and the creation of SOPs for the evaluation of biological activity of pesticides (fungicide volume), using the spore suspension spray inoculation method. Select potted tomato seedlings with the same growth in 1 leaf and 1 heart stage (remove the growth point), and dry them naturally after spraying the medicine. After 24 hours, use a brush to dip distilled water to wash off the sporangia on the back of the diseased leaves, and make a sporangia suspension (2 -3×10 5 perml), spray the sporangia suspension evenly on the tomato leaves with an inoculation sprayer (pressure 0.1MPa), and then move the inoculated tomato seedlings to an artificial clim...

Embodiment 171

[0060] Embodiment 171% trifloxystrobin · oxastrobin wettable powder

[0061]

[0062] The active ingredients and various auxiliary agents are fully mixed according to the proportion of the formula, and after being pulverized by a superfine pulverizer, 71% trifloxystrobin · enoxastrobin wettable powder can be obtained.

[0063] The enoxastrobin in this embodiment can be replaced by mandipropamid, azoxystrobin, fluopicolide and orysastrobin to form a new embodiment.

[0064] This embodiment is applied to control tomato downy mildew. Dilute 71% trifloxystrobin · enoxastrobin wettable powder 4000 times with water and spray, and the control effects are 81.2%, 93.7% and 90.3% at 1 day, 7 days and 15 days after application. 25% Trifloxystrobin Suspension Concentrate was used at 3500 times and 5% Enoxastrobin EC was used at 2000 times in the same way, and the imitation rates were 65.6% and 78.9% respectively after 1 day of medicine, and 7 days and 15 days after medicine. The imit...

Embodiment 250

[0065] Embodiment 250% trifloxystrobin · azoxystrobin suspension concentrate

[0066]

[0067] Mix the active ingredient, dispersant, wetting agent, antifreeze agent, thickener, defoamer and water according to the proportion of the formula, and grind it with a sand mill to obtain 50% trifloxystrobin · azoxybacterium Amine Suspending Agent.

[0068] The azoxystrobin in this embodiment can be replaced by oxastrostrobin, mandipropamid, orysastrobin, and fluopyram to form a new embodiment.

[0069] This embodiment is applied to the prevention and treatment of wheat rust. Dilute 50% trifloxystrobin · azoxystrobin suspension concentrate 5000 times with water and spray, and the control effect is 97.8% and 94.6% respectively 7 days and 15 days after application. 25% trifloxystrobin suspension concentrate was used at 3500 times and 25% azoxystrobin emulsifiable concentrate was used at 3000 times by the same method, and the control effects were 80.3%, 76.8%, 91.7%, 83.2% after 7 da...

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Abstract

The invention discloses a compound pesticide bactericidal composition containing trifloxystrobin. The compound pesticide bactericidal composition contains an effective component A and an effective component B in a mass ratio of 70:1-1:70. The component A is trifloxystrobin, and the component B is one of SYP-1620, mandipropamid, Mepanipyrim, Fluopicolide, and orysastrobin. The invention also discloses a preparation that is prepared from the composition and is suitable for agricultural use. Compared with a single trifloxystrobin agent, the compound bactericidal composition provided by the invention have obvious synergistic effects on downy mildew, rust disease, powdery mildew, leaf spot, scab, rice blast and other diseases, and improves the control effect. Also, the effective components of the bactericidal composition have mutually different action mechanisms, thus being in favor of overcoming disease resistance and delaying generation of pests' resistance to drugs. The field dosage can be greatly reduced, the environmental pollution and pesticide residue can be effectively reduced, and the production and use costs are reduced. At the same time, the bactericidal spectrum is expanded, thus being conducive to comprehensive prevention and control of crop diseases.

Description

[0001] This application is a divisional application of "Compound Pesticide Bactericidal Compositions and Preparations Containing Trifloxystrobin". The filing date of the original application was May 10, 2012, and the application number of the original application was 201210144823.2. Technical field [0002] The present invention relates to a bactericidal pesticide composition, specifically to a compound pesticide bactericidal composition containing trifloxystrobin and a preparation prepared from the composition and suitable for agricultural use. Background technique [0003] In recent years, due to single-use and unscientific use of drugs, many diseases have become resistant to currently used pesticides, such as downy mildew, powdery mildew, rice blast, etc., which has become a major problem in chemical control. At the same time, frequent pesticide application increases the burden on farmers and intensifies environmental pollution. Therefore, there is an urgent need for new ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/54A01N37/50A01P3/00
Inventor 汪云强王淼彭文涛张子翱
Owner YONGNONG BIOSCI
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