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Compound pesticide bactericidal composition containing trifloxystrobin and preparation

A technology of trifloxystrobin and a composition is applied in the field of bactericidal and pesticide compositions, which can solve the problems of increasing the burden of pesticide application on farmers, high cost of the bactericidal composition, reduced treatment effect, etc. The effect of reducing environmental pollution and pesticide residues

Active Publication Date: 2014-06-04
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: Virulence determination of pyraclostrobin and pyraclostrobin complex against downy mildew

[0045] Test object: tomato downy mildew

[0046] Test method: With reference 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 the SOP for pesticide bioactivity evaluation (Fungicide Volume), the spore suspension spray inoculation method was used. Select potted tomato seedlings with 1 leaf and 1 heart stage (the growth point is removed) with the same growth, dry naturally after spraying with chemicals, and wash the sporangia on the back of the diseased leaves with a writing brush dipped in distilled water after 24 hours to prepare a sporangia suspension (2 -3×10 5 pcs / ml), spray the sporangia suspension evenly on tomato leaves with an inoculation sprayer (pressure 0.1MPa), and then move the inoculated tomato seedlings to an artificial ...

Embodiment 171

[0060] Embodiment 171% tristrobin · pyraclostrobin wettable powder

[0061]

[0062] The active ingredients, various auxiliary agents, etc. are fully mixed according to the proportion of the formula, and after being pulverized by an ultrafine pulverizer, 71% of the tristrobin and pyraclostrobin wettable powder is obtained.

[0063] In this embodiment, pyraclostrobin can be replaced with pyraclostrobin, azoxystrobin, fluopyram and pyraclostrobin to form a new embodiment.

[0064] This embodiment is applied to control tomato downy mildew. When 71% of pyraclostrobin and pyraclostrobin WP was diluted with water at 4000 times, the control effects were 81.2%, 93.7% and 90.3% respectively at 1 day, 7 days and 15 days after the treatment. The 25% trifloxystrobin suspending agent is 3500 times and the 5% pyraclostrobin emulsifiable concentrate is 2000 times, and is used in the same way. The 1 day after the medicine is followed by 65.6% and 78.9%, respectively, and the 7 days and 15...

Embodiment 250

[0065] Example 250% tristrobin·azoxystrobin suspending agent

[0066]

[0067] Mix the active ingredients, dispersant, wetting agent, antifreeze, thickener, defoamer and water according to the proportions of the formula, and grind them with a sand mill to obtain 50% tristrobin and azoxystrobin. Amine suspending agent.

[0068] In this embodiment, pyraclostrobin can be replaced with fenoximil, pyraclostrobin, pyraclostrobin, and fluopyram to form a new embodiment.

[0069] This embodiment is applied to control wheat rust. When 50% of tristrobin·azoxystrobin suspending agent was diluted and sprayed with water at 5000 times, the control effects were 97.8% and 94.6% respectively 7 days and 15 days after the treatment. The 25% trifloxystrobin suspending agent is 3500 times and the 25% azoxystrobin emulsifiable concentrate is 3000 times, using the same method, the control effects are 80.3%, 76.8% and 91.7%, 83.2% after 7 days and 15 days respectively. %. The synergistic effec...

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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 Applications(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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